Document:

<PAGE>

                                                                   EXHIBIT 10.56

                                 CONFIDENTIAL
                                 ------------
                             TERMINATION AGREEMENT
                             ---------------------

     This Termination Agreement (this "Termination Agreement"), dated as of
February 23, 2001, is made and entered into by and between America Online,
Inc. ("AOL"), with offices located at 22000 AOL Way, Dulles, Virginia 20166 and
Stamps.com Inc. ("Marketing Partner" or "MP"), a Delaware corporation with
principal offices located at 3420 Ocean Park Blvd., Suite 1040, Santa Monica, CA
90405 (each a "Party" and collectively the "Parties").

                                 INTRODUCTION
                                 ------------

     WHEREAS, AOL and MP are Parties to that certain Interactive Marketing and
Distribution Agreement, dated as of October 15, 1999 (the "Original Agreement"),
and that certain First Addendum to the Interactive Marketing and Distribution
Agreement dated as of March 8, 2000 ("First Addendum") (collectively, the
Original Agreement and the First Addendum, the "Agreement") (defined terms used
herein and not defined shall have the meanings ascribed to them therein, as the
case may be);

     WHEREAS, the Parties have agreed to terminate the Agreement.

     NOW, THEREFORE, in consideration of the terms and conditions set forth in
this Termination Agreement and other good and valuable consideration, the
receipt and sufficiency of which is hereby acknowledged, AOL and MP hereby agree
to terminate the Agreement and release each other from their respective
obligations in accordance with the following terms and conditions:

                                     TERMS
                                     -----

1.   FULL PAYMENT AMOUNT. MP agrees to pay AOL a guaranteed cash payment of
     -------------------
     *****, payable immediately upon execution hereof (the "Full Payment
     Amount") (which amount includes *****). Upon receipt by AOL of the Full
     Payment Amount, MP shall have no further present or future obligations
     under the Agreement to make any payments to AOL, nor shall it have any
     further promotional or other obligations under the Agreement. AOL shall
     have no further promotional (including without limitation carriage,
     integration, exclusivity, Keywords, etc.), bounty (e.g., as set forth in
     Section 5 of the First Addendum) or other obligations under the Agreement.

2.   TERMINATION. Upon receipt of the Full Payment Amount, AOL and MP hereby
     -----------
     agree to terminate the Agreement. The Parties acknowledge and agree that
     such termination and this Termination Agreement shall become effective only
     and immediately after the Parties execution of this Termination Agreement
     and AOL's receipt in full of the Full Payment Amount (the "Termination
     Effective Date").

3.   SURVIVAL. This Termination Agreement shall be subject to survival of those
     --------
     terms expressly identified for survival in the Agreement. Upon the
     Termination Effective Date, (or as soon as commercially practicable), AOL
     shall immediately cease using the Licensed Content. If portions of the
     Licensed Content remain on the AOL Network after such period, then AOL
     shall promptly remove any remaining portions of the Licensed Content upon
     written notification from MP thereof, subject to AOL's rights to a
--------------------
[*] Confidential information has been omitted and separately filed with the
    Securities and Exchange Commission. Confidential treatment has been
    requested with respect to the omitted portions.

                                       1
<PAGE>

     "continued link" pursuant to Section 5.3 of the Original Agreement. For the
     avoidance of doubt, it is understood and expressly agreed that upon AOL's
     receipt of the Full Payment Amount MP shall have no obligation to account
     for or pay AOL for users delivered as a result of such "continued links" or
     otherwise.

4.   RELEASE. Effective upon the Termination Effective Date, and subject to
     -------
     Section 3 above, each Party releases and forever discharges the other Party
     and all of its stockholders, employees, agents, successors, assigns, legal
     representatives, affiliates, directors and officers from and against any
     and all actions, claims, suits, demands, payment obligations or other
     obligations or liabilities of any nature whatsoever, whether known or
     unknown, which such Party or any of its stockholders, employees, agents,
     successors, assigns, legal representatives, affiliates, directors or
     officers have had, now have or may in the future have arising out of (or in
     connection with) the Agreement (collectively, "Claims").

     Each of the parties hereto acknowledges that there is a possibility that
     subsequent to the execution of this Termination Agreement, it will discover
     facts or incur or suffer claims that were unknown or unsuspected at the
     time this Termination Agreement was executed, and which if known by it at
     that time may have materially affected its decision to execute this
     Termination Agreement. Each of the Parties hereto acknowledges and agrees
     that by reason of this Termination Agreement, and its release set forth
     above, it is assuming any risk of such unknown facts and such unknown and
     unsuspected claims.

5.   MUTUAL REPRESENTATIONS AND WARRANTIES.
     -------------------------------------

Each of the parties represents and warrants as follows:

                    (a)  It has read this Termination Agreement and understands
the contents hereof and that it has made such an investigation of the facts
pertinent to this Termination Agreement and of all the matters pertaining
thereto as it deemed necessary;

                    (b)  no Claim has been assigned, granted or transferred in
any manner to any person; and

                    (c)  it has been represented by legal counsel of its own
choice throughout all negotiations which preceded the execution of this document
and has executed this document with the advice of such legal counsel.

6.   GENERAL PROVISIONS.
     ------------------

6.1  Further Assurances. Each Party shall take such further action (including,
     ------------------
but not limited to, the execution, acknowledgment and delivery of documents or
other tangible items in such Party's possession) as may reasonably be requested
by the other Party in order to facilitate the implementation and performance of
this Termination Agreement.

6.2  Confidentiality. Neither Party shall disclose the existence of this
     ---------------
Termination Agreement nor the terms hereof without the prior approval of the
other party, nor publish or release any press release, promotional materials or
other public statement regarding or

                                       2
<PAGE>

referencing the other party except: (i) as may be required by law, regulation,
or court order, or rules or regulations of any securities exchange; (ii) in the
case of confidential disclosures on a need to know basis to employees,
consultants, counsel, accountants, investors or other professional advisers
of the Party and its affiliates; or (iii) in connection with required tax and
accounting disclosures.

6.3  Entire Agreement. This Termination Agreement is the entire agreement
     ----------------
between the Parties regarding the subject matter contained herein. It
supersedes, and its terms govern, all prior proposals, agreements, or other
communications between the Parties, oral or written, regarding the subject
matter contained herein. This Termination Agreement shall not be modified or
amended unless done so in a writing signed by authorized representatives of both
Parties.

6.4  Applicable Law. This Termination Agreement shall be interpreted, construed
     --------------
and enforced in all respects in accordance with the laws of the Commonwealth of
Virginia. Each Party irrevocably consents to the jurisdiction of the courts of
the Commonwealth of Virginia, in connection with any action to enforce the
provisions of this Termination Agreement or arising under or by reason of this
Termination Agreement.

6.5  Assignment. Neither Party shall assign this Termination Agreement or any
     ----------
right, interest or benefit under this Termination Agreement without the prior
written consent of the other Party; provided that, assignment by a Party to a
successor by way of merger, consolidation or sale of all or substantially all of
such Party's stock or assets shall not require the consent of the other Party.
Subject to the foregoing, this Termination Agreement shall be fully binding
upon, inure to the benefit of and be enforceable by the Parties hereto and their
respective successors and assigns.

6.6  Construction. In the event that any provision of this Termination Agreement
     ------------
conflicts with the law under which this Termination Agreement is to be construed
or if any such provision is held invalid by a court with jurisdiction over the
Parties to this Termination Agreement, such provision shall be deemed to be
restated to reflect as nearly as possible the original intentions of the Parties
in accordance with applicable law, and the remainder of this Termination
Agreement shall remain in full force and effect.

6.7  Counterparts. This Termination Agreement may be executed in counterparts,
     ------------
each of which shall be deemed an original and all of which together shall
constitute one and the same document.

6.8  Disclaimer of Liability. Nothing in this Termination Agreement or any
     -----------------------
related document shall be construed as an express or implied admission or
acknowledgement by any Party of any liability to any other party or to any other
person, all such liability being expressly denied.

6.9  Forbearance of Suit. Subject to Section 3 above, each of the Parties hereto
     -------------------
agrees that it will forever refrain and forbear from commencing, instituting or
prosecuting any lawsuit, action or other proceeding of any kind whatsoever, by
way of action, defense, set-off, cross-complaint or counterclaim, against the
other party(s) hereto based on, arising out of, or in connection with any Claim,
which is released and discharged by reason of the execution and delivery of this
Termination Agreement, except for actions commenced to enforce any rights
conferred in this Termination Agreement.

                          [SIGNATURE PAGE TO FOLLOW]

                                       3
<PAGE>

IN WITNESS WHEREOF, the Parties hereto have executed this Termination Agreement
as of the date first above written.

AMERICA ONLINE, INC.                      STAMPS.COM INC.

By: /s/ Eric Keller                       By: /s/ Ken T. McBride
   ---------------------------------         -----------------------------

Print Name: Eric Keller                   Print Name: Ken T. McBride
           -------------------------                 ---------------------

Title: SVP- AOL Business Affairs          Title: CFO
      ------------------------------            --------------------------

Date: 2-23-01                             Date: 2-23-2001
     -------------------------------           ---------------------------

                                       4<PAGE>

                                                                   EXHIBIT 10.57

                               MARKET AGREEMENT

BETWEEN

          Stamps.com Inc., carrying on business at 3420 Ocean Park Boulevard,
          Suite 1040, Santa Monica, California 90405 (hereinafter referred to as
          the "Client")

                                      AND

          Cydcor Limited, carrying on business at 155 Gordon Baker Road, Suite
          212, Willowdale, Ontario, M2H 3N5 (hereinafter referred to as the
          "Manager")

In consideration of the mutual covenants contained in this Agreement, the
parties agree as follows:

1.   Background
     ----------

     a)   The Client develops and publishes certain proprietary client
     executable Internet postage software (hereinafter referred to as the
     "Software"), and operates a web site and Internet service where Internet
     users may print postage and purchase related products electronically
     (hereinafter referred to as the "Service'), and wishes the Manager to
     organize and manage direct sales throughout the United States (the
     "Territory") to distribute the Software and to register end users
     (hereinafter referred to as "Customers") for the Service.

     b)   The Manager has expertise in the organization and management of direct
     sales campaigns through independent corporate distributors and their
     respective independent distributors (hereinafter collectively referred to
     as the "Network").

     c)   The Client desires to retain the Manager to distribute the Software
     through the Network, and the Manager has agreed to distribute the Software,
     subject to the terms and conditions set forth herein.

2.   Authorization by Client and Obligations of the Manager
     ------------------------------------------------------

     a)   During the Term, and subject to the terms and conditions set forth
     herein,  Client hereby appoints the Manager and Manager hereby accepts
     appointment as a  nonexclusive distributor of the Software in the
     Territory.

     b)   During the Term, Manager through its Network, shall use its best
     efforts to promote the Software in the Territory.  Manager shall use its
     best efforts in ensuring that the Network is provided with sufficient
     information and resources as provided to it by Client to acquaint the
     Network with the Software and Service and the rates and promotions
     available to Customers. The Client acknowledges that the Network is
     composed of independent businesses distinct from that of the Manager and
     that the Network is not an employee, joint venture or partner of the
     Manager. Notwithstanding the foregoing, the Manager hereby agrees to enter
     into a written agreement with each participating independent corporate
     distributor comprising the Network which is at least as protective of the
     Client as the terms and conditions set forth herein; and the Manager
     further agrees to diligently enforce such agreements.
<PAGE>

     c)   During the Term the Manager is responsible for payment of all amounts
     due to the Network.

     d)   All Customer applications shall be substantially in the form attached
     hereto as Exhibit A (hereinafter referred to as the "Application").  The
               ---------
     Application forms shall be printed at the Client's cost.  The Manager shall
     transmit to the Client (in both electronic and paper format), on at least a
     weekly basis, all completed Applications obtained by the Network.  The
     information contained in each Customer Application shall be deemed the
     Confidential Information of the Client, and may not be used or disclosed by
     Manager for any purpose without the prior written consent of Client.

     e)   The Manager shall use only the pricing specified by the Client.  The
     Manager shall not impose any additional indirect or direct charge upon any
     Customer relating to the Client's Service or Software.  In addition, the
     Manager shall not extend to any Customer any warranty or representation
     with respect to the Software or Service, other than those expressly made by
     Client in the applicable end user license agreement accompanying the
     Software.

     f)   The Manager shall sell and market the Services and Software, which are
     the subject of this Agreement under the trade names, service marks, brands,
     and trademarks (collectively, the "Marks") designated by the Client, and
     may use such Marks when making reference to Client in its internal
     bulletins and memos, as well as on the identification apparel or
     accessories worn by the independent distributors. The Manager acknowledges
     that the Marks belong to Client and that the Manager shall have no rights
     in such Marks except for the purposes set forth in this Agreement. Client
     may not alter, modify or change the Marks. Any goodwill arising out of the
     use of the Marks hereunder shall inure to the benefit of the Client.

     g)   The Manager shall distribute copies of the Software to Customers only
     in the original, unopened product packaging as delivered by the Client to
     the Manager.

     h)   During the Term, the Manager agrees that it will not distribute any
     other software or product that is used to sell, purchase or otherwise
     distribute postage (a Competitive Product), and that Client shall be the
     only entity offering mailing services which is promoted by the Manager. In
     addition, for a period of ninety (90) days following the Term, Manager
     agrees that it will not enter into an agreement or arrangement for the
     distribution of a Competitive Product with any other entity.

     i)   Subject only to the limited rights and licenses expressly granted to
     the Manager in this Agreement, the Client shall retain all right, title and
     interest in and to the Software and each copy thereof, and all intellectual
     property rights (patent, trade secret, copyright, trademark and similar
     rights) with respect thereto. The Manager agrees not to reverse engineer,
     reverse assemble, decompile, or otherwise attempt to derive source code
     from the Software, nor authorize or permit any third party to do so. No
     right to modify or otherwise prepare derivative works of the Software is
     granted.

     j)   Manager shall use best efforts to commence distribution of the
     Software in accordance with the schedule set forth in Exhibit B attached
                                                           ---------
     hereto. Manager shall provide Client with reports on a periodic basis
     containing, at a minimum and without limitation, a list of the metropolitan
     areas in which the Software is being distributed, and the number of
     independent distributors per area.

     k)   Manager shall ensure that each independent distributor distributing
     Software wears an identification badge indicating, at a minimum and without
     limitation: (a) the company such distributor represents, and (b) that such
     distributor is an authorized distributor of Client.
<PAGE>

     l)   Manager and Client shall enter into a written agreement with a third
     party verification service ("Verification Service") reasonably acceptable
     to both parties. Manager shall cause each independent distributor to
     verbally confirm with the Verification Service each Customer registration,
     at the time of such registration, pursuant to a verification procedure
     reasonably acceptable to both parties. Manager shall cause the Verification
     Service to provide Client with a weekly report (the "Verification Service
     Report") containing, at a minimum and without limitation, the information
     set forth in Exhibit C attached hereto. This information is to be provided
                  ---------
     in electronic format within two (2) business days after each Friday
     summarizing data for the week ended on Friday. Manager shall bear the cost
     and expense of all fees related to the use of such Verification Service.
     Any and all information relating to Customers or potential Customers
     obtained by Manager from the Verification Service shall be deemed the
     Confidential Information of the Client, and may not be used or disclosed by
     Manager for any purpose without the prior written consent of Client.

3.   Obligations of the Client
     -------------------------

     a)   The Client will do the following, all at its own expense:

          i)   promptly provide Application forms and promotional material in a
          mutually agreed upon format, as may be revised solely by the Client
          from time to time, (and any other necessary or desirable forms) to the
          Manager in such reasonable quantity as may be requested by the Manager
          from time to time. Client shall consider in good faith any applicable
          requests received from Manager regarding revisions to the Application;

          ii)  provide Manager with weekly reports containing, at a minimum and
          without limitation, data describing the aggregate number of New
          Customers (as defined in Exhibit D) generated during such period (by
          service plan type) segregated by independent distributor. This
          information is to be provided in electronic format within two (2) to
          five (5) business days of receipt of all of the following information:
          the Verification Service Report, the Applications and all necessary
          Customer information (the "Required Information"). Manager
          acknowledges that the timeliness and accuracy of such reports is
          dependent on, among other things, the timely receipt by Client of such
          Required Information;

          iii) provide the Manager and the Network with such support services
          as the Manager may reasonably require from time to time and current up
          to date information relating to the Service and Software, the
          solicitation of Customers and the provision of the Service and/or
          Software to the Customers solicited, immediately upon such information
          becoming available, so as to enable the Manager and the Network to
          effectively, knowledgeably and professionally solicit Applications;

          iv)  use commercially reasonable efforts to process and promptly
          approve or reject, in accordance with Client's general procedures and
          sales policies, all Customers which are submitted by the Manager
          within five (5) business days of receipt of all required information
          from such Customers. Manager acknowledges however, that Client is
          dependent on the United States Postal Service for the timeliness of
          Application processing, and as such, the failure to meet the above-
          referenced time period shall not be deemed a breach of this Agreement
          by Client. Notwithstanding the foregoing, any Customer not rejected
          within five (5) business days following Client's receipt of the
          Required Information related to such Customer shall be deemed to have
          been accepted and shall constitute a New Customer for purposes hereof;

          v)   provide the Service to all Customers whose Applications are
          accepted promptly and strictly in accordance with the Client's written
          representations made to the Customer;
<PAGE>

          vi)  complete all registration, filing, licensing and similar
          procedures required in the Territory including filing, licensing and
          registration required with respect to any trademark or trade name of
          the Client; and

          vii) ****

     b)   The Client will not charge higher rates for the Services to the
     Customers obtained through the Network who deal with the Manager than are
     charged to other Customers receiving similar services.

4.   Fees Payable to the Manager
     ----------------------------

     In order to compensate the Manager for its services and reimburse the
     Manager for the amounts to be paid by it to the Network, the Client will
     pay to the Manager the fees set forth in Exhibit D attached hereto, as such
                                              ---------
     Exhibit may be amended from time upon the mutual agreement of the parties.

5.   Representations, Warranties and Indemnities; Limitation of Liability
     --------------------------------------------------------------------

     a)   Each of the Client and the Manager hereby represents and warrants to
the other as follows:

          i)   The execution, delivery and performance of and compliance with
     this Agreement by such party does not and will not conflict with, or
     constitute a default under any contract, agreement, instrument, order,
     statute, rule or regulation applicable to it.

          ii)  It has the right, power and authority to enter into this
     Agreement and fully perform its obligations under the Agreement.

     b)   Client hereby represents and warrants to the Manager as follows:

          i)   It is and will be duly authorized and capable of carrying out and
     performing and will carry out and perform all of its obligations to
     Customers as set out, agreed upon or represented in the Application, or any
     Client advertising or promotional material relating or referring to the
     Services and rates relating thereto.

          ii)  It has the right and authority to use and exploit all of the
     Client trademarks, logos, copyrighted material and other intellectual
     property used or to be used during the currency of this Agreement in its
     Applications, promotional material and Services and that the use of same by
     the Manager and its Network in conjunction with the performance of the
     duties and obligations contemplated by this Agreement, and solely in
     accordance with the terms and conditions set forth in this Agreement, will
     not infringe upon the rights of any third party.

     b)   Except as expressly set forth above, Client and Manager make no other
     warranties, express, implied, statutory or otherwise, with respect to the
     subject matter hereof.

     d)   Without limiting the other parties' other available rights and
     remedies, each party hereby agrees to indemnify, defend and hold harmless
     the other party, and their respective affiliates, subsidiaries, independent
     distributors, directors, officers, employees, agents, subcontractors
     successors, and assigns, or any of them from and against any and all third
     party claims, damages, liabilities, costs (including reasonable legal fees
     and disbursements) and expenses finally awarded against the indemnified
     party (or amounts agreed to in settlement) to the extent based on such a
---------------------
[*] Confidential information has been omitted and separately filed with the
    Securities and Exchange Commission. Confidential treatment has been
    requested with respect to the omitted portions.
<PAGE>

     claim, resulting from, arising out of, or in any way connected with the
     indemnifying party's breach of any warranty or representation set forth in
     this Section 5; provided that (i) the indemnified party notifies the
     indemnifying party promptly in writing of the claim, (ii) the indemnifying
     party has sole control of the defense and all related settlement
     negotiations, and (iii) the indemnified party provides the indemnifying
     party with reasonable assistance and information to perform the above at
     the indemnifying party's expense.

     e) Client shall defend and/or settle any claim, suit or proceeding brought
     by a third party against Manager resulting from a claim that the Software
     infringes any United States patent, or any copyright or trade secret rights
     of a third party (except to the extent that Manager is responsible under
     Subsection (f) below), and Client shall pay all damages finally awarded or
     settlement amounts entered into against Manager to the extent based on such
     a claim (including payment of reasonable attorney's fees, court costs and
     costs of other professionals); provided that (i) Manager notifies Client
     promptly in writing of the claim, (ii) Client has sole control of the
     defense and all related settlement negotiations, and (iii) Manager provides
     Client with reasonable assistance and information to perform the above at
     Client's expense. If the Software, or any part thereof, is, or in the
     opinion of Client may become, the subject of any claim for infringement,
     then Client may, at its option and expense, either (i) substitute a
     substantially equivalent non-infringing item, (ii) modify the infringing
     item so that it no longer infringes but remains functionally equivalent,
     (iii) obtain for Manager the right to continue using such item, or (iv) if
     it is not commercially reasonable to take the actions specified in items
     (i)-(iii) above, terminate this Agreement and Manager's licenses hereunder.
     In the event that Client substitutes a non-infringing item pursuant to (i)
     above, or modifies the Software pursuant to (ii) above, Manager shall, on a
     going-forward basis, immediately cease the distribution of the outdated
     Software and begin distribution of the new Software. The foregoing
     provisions of this Subsection (e) state the entire liability and obligation
     of Client, and the exclusive remedy of Manager, with respect to the
     infringement of any patent, copyright, trade secret or other intellectual
     property right by the Software.

     (f) Manager shall defend and/or settle any claim, suit or proceeding
     brought by a third party against Client resulting from Manager's negligence
     or willful misconduct with respect to the distribution of the Software, and
     Manager shall pay all damages finally awarded or settlement amounts entered
     into against Client to the extent based on such a claim (including payment
     of reasonable attorney's fees, court costs and costs of other
     professionals); provided that (i) Client notifies Manager promptly in
     writing of the claim, (ii) Manager has sole control of the defense and all
     related settlement negotiations, and (iii) Client provides Manager with
     reasonable assistance and information to perform the above at Manager's
     expense.

     In no event will any Party be liable to the other for indirect, incidental,
     or special damages, lost profits, lost savings, or any other consequential
     damages, arising out of or related to this Agreement, however caused, and
     whether arising under contract, tort (including negligence) or any other
     theory of liability.  In no event shall either party's aggregate liability
     under this Agreement (except for damages arising under Sections 5(d)-(f)
     and 9) exceed the total amounts paid to Manager under this Agreement. The
     limits set forth herein will apply even if the party has been advised of
     the possibility of such damages.

     g)   The Parties acknowledge and agree that the representations, warranties
     and indemnities contained in this Article 5 shall survive the termination
     of this Agreement.

6.   Relationships
     -------------

     a)   This Agreement does not create, imply or purport to create any
     relationship, present or future, contractual or otherwise between the
     Manager and the Network, or the Customer; nor should it constitute a base
     for any discussion for future contracts or business between the parties.
<PAGE>

     b)   The parties are independent contractors. Neither party shall be deemed
     to be an employee, agent, joint venture or partner of the other for any
     purpose and neither shall have any right, power, or authority to create any
     obligation or responsibility on behalf of the other.

     c)   The Manager or the Network is not a provider of the above-described
     Service and does not undertake to the Client to provide any service or
     fulfil any obligation to any Customer.

7.   Notice
     ------

     Any notice to be delivered to either of the Parties by the other, shall be
     in writing, and given by registered mail, facsimile transmission, telegram
     or in person, addressed as follows:

     To the Client:
                    Stamps.com Inc.
                    3420 Ocean Park Boulevard, Suite 1040
                    Santa Monica, California USA 90405
                    Attention: Senior Vice President, Business Development
                    Phone:  310-581-7200
                    Fax No.:   310-314-8559

     With a copy to Stamps.com Inc. Legal Department at the same address,
                    Attention: Michelle Strear
                    Fax No.:  310-314-8559

     To the Manager:
                    Cydcor Limited
                    155 Gordon Baker Road, Suite 212
                    Willowdale, Ontario
                    M2H 3N5
                    Attention:   Mr. Berney Silverberg
                    ----------
                    Fax No.:  (416) 493-6153

     With a copy to:
                    DS-MAX International Inc.
                    250 Granton Drive
                    Richmond Hill, Ontario
                    L4B 1H7
                    Attention:  Mr. Avie Roth
                    ---------
                    Fax No.:  (905) 764-1570

     and shall be deemed to have been received by the addressee on the 4/th/ day
     following the date of posting, in the case of registered mail (return
     receipt requested, postage prepaid), immediately upon transmission, in the
     case of confirmed facsimile transmission or telegram, and upon receipt in
     the case of personal delivery.  The Parties may, by notice, in writing,
     vary the address for delivery of notices pursuant to this Agreement.
<PAGE>

8.   Term and Termination

This Agreement shall commence on the Effective Date and shall continue in full
force and effect until June 30, 2000 (the "Term"), unless earlier terminated
pursuant to the terms hereof. This Agreement may be renewed for successive three
(3) month periods upon the mutual written agreement of the parties.

     a)     This Agreement may be terminated by either party upon written notice
     -
if the other party (a) breaches any material term or condition of this Agreement
and fails to remedy the breach within fifteen (15) days after being given
written notice thereof, (b) ceases to function as a going concern or to conduct
operations in the normal course of business, or (c) has a petition filed by or
against it under any state or federal bankruptcy or insolvency laws (or their
foreign equivalents).

     b)   Client may immediately terminate this Agreement upon written notice to
     -
Manager if the United States Postal Service revokes any approval necessary for
Client to conduct its business, as determined by Client in its sole discretion.

     c)   The following provisions shall survive termination of this Agreement
     -
for any reason: 2(h), 2(i), 5-7, 8(d), and 9-11. In addition, upon the
termination of this Agreement for any reason, Manager shall immediately (i)
cease distribution of the Software, (ii) return to Client all copies of the
Software in its possession or control in the original, unopened product
packaging, and (iii) return to Client or destroy all Confidential Information of
Client in its possession or control, including without limitation all
Applications, Verification Service Reports and Customer information, and certify
in writing to Client that all copies, extracts or derivatives of such
information have either been returned or destroyed.

9.   Confidential Information

      "Confidential Information" means this Agreement and all proprietary
information disclosed by either party (the "Disclosing Party") to the other
party (the "Receiving Party"), in writing, orally or by inspection of tangible
media, which, if in writing or other tangible form, is marked as "Confidential"
or a similar designation. Confidential Information shall not include any
information which (a) was publicly known prior to the time of disclosure by the
Disclosing Party; (b) becomes publicly known after disclosure by the Disclosing
Party through no wrongful action or omission of the Receiving Party; (c) was
already in the possession of the Receiving Party at the time of disclosure by
the Disclosing Party; (d) is obtained by the Receiving Party from a third party
without breach of such third party's obligations of confidentiality; or (e) is
independently developed by the Receiving Party without access to the Disclosing
Party's Confidential Information. The Receiving Party agrees (i) not to use or
disclose to any third party the Disclosing Party's Confidential Information for
any purpose other than as contemplated by this Agreement, and (ii) to use
reasonable efforts to protect the secrecy of and avoid unauthorized use and
disclosure of the Disclosing Party's Confidential Information, including without
limitation, using at least the same degree of care it uses to protect its own
Confidential Information. Notwithstanding the foregoing, the Receiving Party may
use or disclose Confidential Information of the Disclosing Party to the extent
necessary to exercise its rights or fulfill its obligations hereunder, and/or to
comply with applicable governmental regulations; provided that if the Receiving
Party is required by law to make any public disclosures of Confidential
Information of the Disclosing Party, to the extent it may legally do so, it will
give reasonable advance notice to the Disclosing Party of such disclosure and
will use its reasonable efforts to secure confidential treatment of Confidential
Information prior to its disclosure.

10.  Governing Laws
     --------------

     This Agreement shall be governed by the laws of the State of California,
     without reference to its conflict of law principles.
<PAGE>

11.  General
     -------

     a)   Export Regulations.  Manager acknowledges that the Software utilizes
     -----------------------
Secure Sockets Layer 128-bit data encryption technology which is subject to U.S.
government export restrictions, including but not limited to the Export
Administration Regulations of the U.S. Department of Commerce (15 CFR Parts 730-
774), which prohibit the export of the Software without a license or an
applicable license exception. Distributor shall abide by all U.S. government
export restrictions, including but not limited to the Export Administration
Regulations. Without limiting the foregoing, Manager shall not directly or
indirectly export or re-export the Software outside of the United States or
Canada, or to any person or entity subject to U.S. government export
restrictions.

     b)   Headings.  The section headings are for convenience of reference only
     -------------
and shall in no way affect the interpretation of this Agreement.

     c)   Press Release. Except as required by law or as expressly set forth
     ------------------
herein, the Manager shall not make any public statement, press release or other
announcement relating to the terms or existence of this Agreement, or the
business relationship of the parties, without the prior written consent of the
Client.

     d)   Force Majeure.  Neither party will be liable for any failure or delay
     ------------------
in its performance under this Agreement due to causes which are beyond its
reasonable control, including Client's failure to obtain or maintain any
necessary governmental approval required in connection with the performance of
its obligations hereunder.

     e)   No Waiver; Modifications.  No amendment or modification of this
     -----------------------------
Agreement, nor any waiver of any rights, will be effective unless assented to in
writing by the party to be charged, and the waiver of any breach or default will
not constitute a waiver of any other right hereunder or any subsequent breach or
default.

     f)   Assignment.  Neither party shall assign this Agreement or any of its
     ---------------
rights or duties under this Agreement without the prior written consent of the
other party, which consent shall not be unreasonably withheld or delayed;
provided however, that either party may assign its rights and obligations
hereunder in the event of a change of control or sale of all or substantially
all of its assets related to the Agreement, whether by merger, reorganization,
operation of law, or otherwise. Subject to the foregoing, this Agreement shall
be binding upon and shall inure to the benefit of both parties, their
successors, administrators, heirs, and permitted assigns. Use of the Network by
Manager to distribute the Software shall not constitute an assignment as set
forth above.

     g)   Severability.  In the event that any provision of this Agreement is
     -----------------
determined to be invalid, illegal or unenforceable by a court of competent
jurisdiction, the remainder of the Agreement shall remain in full force and
effect without said provision, and the parties shall negotiate, in good faith,
an enforceable substitute provision that most nearly effects the parties' intent
in entering into this Agreement.

     h)   Non-solicitation. The parties hereto agree that, during the Term and
     ---------------------
for a period of six (6) months from the date of termination of this Agreement
for any reason, they will not solicit for employment any employee or consultant
of the other party, without the prior written consent of that party. The
foregoing provision will not prohibit general advertising that is not
specifically directed to an employee or consultant of the other party.

     i)   Counterparts. This Agreement may be executed in counterparts
     -----------------
(including facsimile), each of which so executed will be deemed to be an
original and such counterparts together will constitute one and the same
agreement.

     j)   Entire Agreement.  This Agreement constitutes the complete and
     ----------------------
exclusive understanding and agreement of the parties relating to the subject
matter hereof and supersedes all prior or contemporaneous understandings,
agreements, and communications, and/or advertising with respect to said subject
matter.
<PAGE>

IN WITNESS WHEREOF the parties hereto have executed this Agreement this

15th day of May, 2000 ("Effective Date").
----

CYDCOR LIMITED                        STAMPS.COM INC.

By:    /s/ Avie Roth                  By:    /s/ Doug Walner
   -----------------------------         -------------------------------
Name:  Avie Roth                      Name:  Doug Walner
     ---------------------------           -----------------------------
Title: Vice President                 Title: Sr. VP Business Development
      --------------------------            ----------------------------
<PAGE>

                                   EXHIBIT A
                                   ---------

                              FORM OF APPLICATION
                              -------------------
<PAGE>

                                   EXHIBIT B
                                   ---------

                             DISTRIBUTION SCHEDULE
                             ---------------------

A minimum of *** metropolitan areas, with a minimum of *** independent
distributors per area by the end of the **** day period following the Effective
Date. The parties intend to add additional areas and independent distributors
upon mutual agreement.

[*] Confidential information has been omitted and separately filed with the
    Securities and Exchange Commission. Confidential Treatment has been
    requested with respect to the omitted portions.
<PAGE>

                                   EXHIBIT C
                                   ---------

                      FORM OF VERIFICATION SERVICE REPORT
                      -----------------------------------

As a vital element of partnership agreements, Stamps.com will work with the
partner organization to create metrics reports that identify business activity
related to the partnership.  In order to facilitate this activity, the partner
organization will need to provide potential customer information contained in
their lead or business prospect sheets.  This information should both be
provided on a regular basis and it should be sent via FTP to ftp.stamps.com
                                                             --------------
(the particular file format for data submission is discussed below). In order to
provide the partner with access to the Stamps.com FTP site, Stamps.com will need
to receive the organization's static IP address. Once the IP address is
received, a login password will be provided to the contact within the partner
organization. A folder will also be created at the ftp.stamps.com site to
                                                   --------------
allow the partner to forward the files required to process these reports. A
listing of the requested information and an explanation of the "Field Names"
column are provided below:

<TABLE>
<CAPTION>
--------------------------------------------------------------------------------
Field Name                  Entry Type      Character Length      Default Value
--------------------------------------------------------------------------------
<S>                         <C>             <C>                   <C>
[Sales Date]                 [date]               (50)                NULL
--------------------------------------------------------------------------------
[MarketingPartner]          [varchar]             (50)                NULL
--------------------------------------------------------------------------------
[MarketingAgent]            [varchar]             (50)                NULL
--------------------------------------------------------------------------------
[CompanyName]               [varchar]             (75)                NULL
--------------------------------------------------------------------------------
[FirstName]                 [varchar]             (75)                NULL
--------------------------------------------------------------------------------
[LastName]                  [varchar]             (75)                NULL
--------------------------------------------------------------------------------
[Address]                   [varchar]             (75)                NULL
--------------------------------------------------------------------------------
[City]                      [varchar]             (75)                NULL
--------------------------------------------------------------------------------
[State]                     [varchar]              (2)                NULL
--------------------------------------------------------------------------------
[ZIP]                       [varchar]             (10)                NULL
--------------------------------------------------------------------------------
[Phone]                     [varchar]             (50)                NULL
--------------------------------------------------------------------------------
[Fax]                       [varchar]             (50)                NULL
--------------------------------------------------------------------------------
[Email]                     [varchar]            (255)                NULL
--------------------------------------------------------------------------------
[Username]                  [varchar]             (50)                NULL
--------------------------------------------------------------------------------
</TABLE>

The first two fields relate to the partner organization directly.
"MarketingPartner" is always the company name (i.e. if the name of the company
is Internet Marketing, the corresponding "MarketingPartner" entry would be
"InternetMarketing"), and the "MarketingAgent" field would always be the
partner's Account Executive name or number assigned to this particular client
(i.e. if the Account Executive's name is Liz Smith and her agent number is, then
the entry would be either "LizSmith" or "CA0114"). The remaining fields identify
the client-specific data required to track information within the Stamps.com
system.  The "CompanyName" is the partner's client company name,
<PAGE>

and the additional fields all relate to that particular client ("FirstName",
"LastName", "Address", "City", "State", "ZIP", "Phone", "Fax", "Email" and "User
Name").

Due to a variety of data format requirements within Stamps.com, the information
that is forwarded for this report process must be provided in tab-delimited,
ACSII format only. Any embedded tabs, carriage returns or line feeds must be
removed to insure that Stamps.com can process the vendor's lead list.  Vendors
should provide a file using the following naming convention:
PartnerNameLeadsYYYYMMDDHH.txt.

As an example, suppose that Stamps.com has a partnership agreement with a
company called "Internet Marketing".  In this example, "Partner Name" would be
"InternetMarketing".  For further illustration of this file naming convention, a
file submitted to Stapms.com by Internet Marketing on June 1, 2000 at 2:00pm
would be named "InternetMarketingLeads2000060114.txt".

Please note that improperly named files or files sent in a format other than
tab-delimited would not be accepted by the system and would inhibit partnership
report generation.
<PAGE>

                                   EXHIBIT D

                               PAYMENT SCHEDULE

                                     *****

----------
[*] Confidential information has been omitted and separately filed with the
    Securities and Exchange Commission. Confidential treatment has been
    requested with respect to the omitted portions.

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00023-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00023-of-00352.parquet"}]]