Document:

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                                                                    EXHIBIT 10.2

[MESSAGEMEDIA LETTERHEAD]

June 1, 2000

Prabhuling Patel
1450 West Summerdale Avenue
Chicago, IL 60640

RE:   OFFER OF EMPLOYMENT WITH MESSAGEMEDIA, INC.

Dear Prabhuling:

         MessageMedia, Inc. ("MessageMedia" or "Company") is very pleased to
offer you employment as General Manager, Messaging Services beginning on June
12, 2000. This letter states the complete terms and conditions of your offer. If
you agree to these terms and conditions, please initial the bottom of each page
and sign at the end of this letter in the spaces indicated.

         1. DUTIES. As General Manager, Messaging Services you will be
responsible leading the Messaging Services Business Unit. You will report to
Larry Jones, who will be primarily responsible for evaluating your
performance. You will work primarily from our Boulder, Colorado facility. Of
course, MessageMedia may change your position, title, duties, and place of
employment from time to time as it deems necessary.

         2. COMPENSATION. You will be compensated at a rate of $170,000 per
year, less all deductions and withholdings. MessageMedia pays salaries
semi-monthly. You will be eligible for fringe benefits on the same terms such
benefits are provided to other MessageMedia employees. Benefits information is
available from the Human Resources Department. Of course, MessageMedia may
modify your compensation and benefits from time to time in its sole discretion.

         3. STOCK OPTIONS. Subject to the approval of the Board of Directors,
you will be eligible to receive an option to purchase 75,000 shares of common
stock at an exercise price per share equal to the fair market value of the
Company's Common stock on the date you start employment with MessageMedia
("vesting Commencement Date"). The vesting schedule and all terms, conditions,
and limitations of the Option are set forth in a stock option grant notice, the
Company's standard stock option agreement and the Company's 1995 Stock Option
Plan, as amended (the "Plan").

         4. BONUSES. In addition to your base salary, you may be eligible to
earn an annual performance bonus of 50% of your base salary, less applicable
taxes, at 100% of target. Bonus payments, if any, will be based on corporate,
departmental, an/or individual performance criteria to be determined by the CEO
and approved by the Board of Directors. To be eligible for any Bonus, you must
be employed by MessageMedia at the time any Bonus amount is to be paid. Bonuses
are not earned until they are approved in writing by Board of Directors. During
your first six- (6) months of employment with MessageMedia, you shall receive a
guaranteed bonus of $40,000, less standard deductions and withholdings, payable
semi-monthly (First Year Bonus).

                                                                         Initial
                                                                           PP

<PAGE>   2

         5. RELOCATION BONUS. Upon the commencement of your employment with
MessageMedia, you will receive a one-time relocation bonus of $60,000. If you
voluntarily resign or MessageMedia terminates your employment with Just Cause
(defined below) before you complete your first year of employment with
MessageMedia, you must repay to MessageMedia a pro rata portion of the
relocation bonus. By accepting the relocation bonus, you authorize MessageMedia
to deduct from any payments received, including your final paycheck and/or any
payment for accrued but unused vacation the amount of the relocation bonus you
are required to repay. To determine the pro rata amount to be repaid, multiply
$60,000 by a fraction consisting of the total number of days remaining in your
first year of employment divided by 366. (By way of example only, if your
employment ends for any reason 122 days after your start date, you must repay to
the Company two-thirds (244/366) of the amount of the hiring bonus.)

          6. VACATION. You will be entitled to four week(s) of paid vacation
during your first year of service, which shall begin accruing monthly upon
commencement of employment. You will be eligible to use your accrued vacation
after your first thirty (30) days of employment, and in accordance with the
provisions of the Employee Handbook thereafter. In addition you will be eligible
to take your planned vacation June 29 through July 14, 2000.

          7. CONFIDENTIALITY AGREEMENT. One of the conditions of your employment
with MessageMedia is the maintenance of the confidentiality of MessageMedia's
proprietary and confidential information. In your work for MessageMedia, you
will be expected not to use or disclose any confidential information, including
trade secrets, of any former employer or other person to whom you have an
obligation of confidentiality. Rather, you will be expected to use only that
information that is generally known and used by persons with training and
experience comparable to your own, which is common knowledge in the industry or
otherwise legally in the public domain or which is otherwise provided or
developed by MessageMedia. You also should not bring onto the MessageMedia
premises any unpublished documents or property belonging to any former employer
or other person to whom you have an obligation of confidentiality. During our
discussions about your proposed job duties, you assured us that you would be
able to perform those duties within the guidelines described above. Before your
start date, you must therefore execute MessageMedia's Proprietary Information,
Inventions, Noncompetition, and Nonsolicitation Agreement, which you will find
as Exhibit A. However, your commencement of employment shall constitute
acceptance of all the terms and conditions in MessageMedia's Proprietary
Information, Inventions, Noncompetition, and Nonsolicitation Agreement.

          8. AT-WILL EMPLOYMENT. Your employment with MessageMedia will be
"at-will." This means that either you or MessageMedia may terminate your
employment at any time, with or without cause, with or without notice, and for
any reason or no reason. Any contrary representations or agreements, which may
have been made to you, are superseded by this offer. The "at will" nature of
your employment described in this offer letter shall constitute the entire
agreement between you and MessageMedia concerning the nature and duration of
your employment. Though your job duties, title, compensation, and benefits may
change over time and you may be subject to incremental discipline that does not
include a termination, none of these events change our agreement that you are an
"at will" employee. In addition, the fact that the rate of your salary, bonuses,
option vesting schedules or other compensation are stated in units of years or
months and that your vacation and sick leave accrue annually or monthly does not
alter the at-will nature of the employment, and does not mean and should not be
interpreted to mean that you are guaranteed employment to the end of any period
of time or for any period time. The "at will" term of your employment with
MessageMedia can only be changed in a writing signed by you and the CEO of
MessageMedia.

                                                                       Initial
                                                                         PP

<PAGE>   3

         9. SEVERANCE. As set forth in Paragraph 8 above, you and the Company
each acknowledge that either party has the right to terminate your employment
with the Company at any time for any reason whatsoever, with or without cause or
advance notice. However, if you are terminated by the Company you shall be
entitled to severance benefits set forth below.

                  (a) TERMINATION BY DEATH OR DISABILITY. In the event you die
during your employment with the Company or become permanently disabled, as
evidenced by your inability to carry out your job responsibilities for a
continuous period of six months, your employment and the Company's obligation to
make payments hereunder shall terminate on the date of your death, or the date
upon which, in the sole determination of the Board of Directors, you have failed
to carry out your job responsibilities for six months. The Company's ability to
terminate you as a result of any disability shall be to the extent permitted by
state and/or federal law. Vesting of any shares pursuant to the Plan, the option
agreement, or any grant notices or any other unvested shares shall cease on the
date of death or disability.

                  (b) VOLUNTARY RESIGNATION. In the event you voluntarily resign
from your employment with the Company, the Company's obligation to make payments
hereunder shall cease upon such resignation, except the Company shall pay you
(a) any salary earned but unpaid prior to the resignation and all accrued but
unused vacation, and (b) any business reimbursement expenses that were incurred
but not reimbursed as of the date of resignation. Vesting of any shares pursuant
to the Plan, the option agreement, any grant notices or any other unvested
shares shall cease on the date of resignation. In the event that you voluntarily
resign your position with the Company, you agree to continue to be bound by the
terms and conditions of your Employee Proprietary Information, Inventions,
Noncompetition, and Nonsolicitation Agreement, attached as Exhibit A.

                  (c) TERMINATION BY THE COMPANY WITHOUT JUST CAUSE. In the
event that you are terminated by the Company for any reason other than Just
Cause (as defined below), and provided you sign a full general release,
releasing all claims known or unknown that you may have against the Company as
of the date you sign such release, and upon the written acknowledgment of your
continuing obligations under the Employee Proprietary Information, Inventions,
Noncompetition, and Nonsolicitation Agreement, attached as Exhibit A, you shall
receive the following severance benefits: a) nine months base salary, less all
applicable deductions and withholdings; ("Severance Payments"). The payments
shall be calculated based on your then current salary as of the termination date
and shall be paid in the normal course of the Company's payroll cycle, less all
applicable deductions and withholdings. Vesting of any shares pursuant to the
Plan, the option agreement, any grant notices or any other unvested shares shall
cease on the date of termination.

                  (d) TERMINATION FOR JUST CAUSE. In the event you are
terminated by the Company for Just Cause (as defined below), the Company's
obligation to make payments hereunder shall cease upon the date of receipt by
you of written notice of such termination, except the Company shall: pay you any
salary earned but unpaid prior to termination, all accrued but unused vacation
and any business expenses that were incurred but not reimbursed as of the date
of termination. Vesting of any shares pursuant to the Plan, the option
agreement, any grant notices or any other unvested shares shall cease on the
date of termination. In the event that you are terminated for Just Cause, you
agree to continue to be bound by the terms and conditions of your Employee
Proprietary Information, Inventions, Noncompetition, and Nonsolicitation
Agreement, attached as Exhibit A.

                  (i) "JUST CAUSE" for termination shall mean: That the Company,
acting in good faith based upon the information then known to the Company,
determines that you have committed or engaged in: willful misconduct, gross
negligence, charges of theft, fraud, or other illegal or dishonest conduct which
are considered to be harmful to the Company by the majority vote of its Board of
Directors; refusal or unwillingness to perform job duties, failure to adequately
perform job duties,

                                                                         Initial
                                                                            PP
<PAGE>   4

habitual absenteeism, substantial dependence on alcohol or any controlled
substance, sexual or other forms of illegal harassment, conduct that reflects
adversely upon, or making any remarks disparaging of the Company, its Board,
Officers, Directors, advisors, executives, affiliates or subsidiaries;
insubordination; any willful act that is likely to and which does, in fact, have
the effect of injuring the reputation, business, or business relationship of the
Company, violation of fiduciary duty, violation of any duty of loyalty, breach
of any term of this Agreement, including the Employee Proprietary Information,
Inventions, Noncompetition, and Nonsolicitation Agreement, Exhibit A, and
matters of similar gravity to any of the above enumerated grounds. Termination
with Just Cause may be made with or without notice to you at the sole discretion
of the Company. In the event you are terminated for Just Cause you will not be
entitled to any Severance Payments, pay in lieu of notice, vesting of any shares
under any option, or any other such compensation set forth herein, but you will
be entitled to all compensation, benefits and unreimbursed expenses accrued
through the date of termination. The parties acknowledge that this definition of
"Just Cause" in not intended and does not apply to any aspect of the
relationship between the Company and any of its employees, including you, beyond
determining your eligibility for the Severance Payments.

         10. EXEMPT EMPLOYMENT. Normal working hours are from 8 a.m. to 5 p.m.,
Monday through Friday. As an exempt, salaried employee, you will be expected to
work additional hours as required by the nature of your work assignments.

         11. MISCELLANEOUS. This letter states the complete and exclusive terms
and conditions of your employment and supercedes any and all prior agreements,
whether written or oral. By joining MessageMedia, you are agreeing to abide by
all laws and regulations, all MessageMedia policies and procedures, to
acknowledge in writing that you have read MessageMedia's Employee Handbook and
that you are bound by the terms and conditions of the Company's Proprietary
Information, Inventions, Noncompetition, and Nonsolicitation Agreement.
Violations of these policies may lead to immediate termination of employment. As
required by law, this offer is subject to satisfactory proof of your right to
work in the United States.

         We look forward to having you join us at MessageMedia. If you wish to
accept this offer under the terms and conditions described above please sign and
date this letter and the attached Proprietary Information, Inventions,
Noncompetition, and Nonsolicitation Agreement and return them to me by June 5,
2000. If you have any questions about the terms of this offer, please do not
hesitate to call me to discuss our offer at your earliest convenience.

Sincerely,

/s/ SUSAN L. MORSE
---------------------------
Susan L. Morse
VP, Human Resources

I have read this offer and I understand and I accept its terms.

/s/ PRABHULING PATEL                                                June 4, 2000
--------------------------                                          ------------
Prabhuling Patel                                                    Date

CC:   Larry Jones

                                                                         Initial
                                                                            PP<PAGE>   1
                                                                    EXHIBIT 10.3

February 25, 2001

William E. Buchholz
8493 Greenwood Drive
Longmont, CO 80503

Re:      OFFER OF EMPLOYMENT WITH MESSAGEMEDIA, INC.

Dear Bill:

         MessageMedia, Inc. ("MessageMedia" or "Company") is very pleased to
offer you employment as Chief Financial Officer and Senior Vice President,
Finance and Administration. Your employment will begin on the date you execute
this agreement. This letter states the complete terms and conditions of your
offer. If you agree to these terms and conditions, please initial the bottom of
each page and sign at the end of this letter in the spaces indicated.

         1. DUTIES. As CPO and SVP, F&A you will be responsible for leading the
financial functions of the Company. You will report to Larry Jones, the Chief
Executive Officer of the Company, who will be primarily responsible for
evaluating your performance. You will work primarily from our
Superior/Louisville, Colorado facility. Of course, MessageMedia may change your
position, title, duties, and place of employment from time to time as it deems
necessary. The Company acknowledges that you have other interests, economic and
avocational, that will involve your time and attention from time to time. The
Company agrees that you may engage in such non-Company pursuits, whether on or
off Company premises and whether or not during normal Company working hours, to
the extent that they do not prevent you from fulfilling your duties under this
paragraph 1.

         2. COMPENSATION. You will be compensated at a rate of $190,000 per
year, less all deductions and withholdings. MessageMedia pays salaries
semi-monthly. You will be eligible for fringe benefits on the same terms such
benefits are provided to other MessageMedia employees, including Company
officers. Benefits information is available from the Human Resources Department.
Of course, MessageMedia may modify your compensation and benefits from time to
time in its sole discretion.

         3. STOCK OPTIONS. Subject to the approval of the Board of Directors,
which approval shall be granted without undue delay, you will receive an option
to purchase 400,000 shares of the Company's common stock (the "Option") at an
exercise price per share equal to the fair market value of the Company's common
stock on the date you start employment with MessageMedia ("Vesting Commencement
Date"). To the maximum extent possible, the Option will be an incentive stock
option as such term is defined in section 422 of the Internal Revenue Code of
1986, as amended. The Option shall vest in accordance with the Company's
standard form of option agreement, which provides that 25% of the shares subject
to the option vest and become exercisable on the first anniversary of the
Vesting Commencement Date, and an additional 1/48th of the shares subject to
the option shall vest and become exercisable at the end of each one-month period
thereafter, provided in each case you are an employee of the Company on such
vesting date. Upon termination of employment you have a period of 90 days to
exercise any vested options. The vesting schedule and all terms, conditions, and
limitations of the Option are set forth in a stock option grant notice, the
Company's standard stock option agreement and the Company's 1995 Stock Option
Plan, as amended (the "Plan").

                                                               Initial

                                                           W.E.B.  S.L.M.
                                                               2/25/01

<PAGE>   2

         4. BONUSES. In addition to your base salary, you will be eligible to
earn an annual performance bonus of 50% of your base salary, less applicable
taxes, at 100% of target, as defined by the Company's annual Executive Incentive
Bonus Plan (the "Bonus"). Bonus payments, if any, will be based on corporate,
departmental, and/or individual performance criteria to be determined by the CEO
and approved by the Board of Directors. To be eligible for any Bonus, you must
be employed by MessageMedia at the time any Bonus amount is to be paid. Bonuses
are not earned until they are approved in writing by the Board of Directors.
During FY2001, you shall be eligible to receive a prorated Bonus based on the
attached schedule (Appendix B) per the 2001 MessageMedia Executive Incentive
Bonus Plan.

         5. VACATION. You will be entitled to four weeks of paid vacation during
your first year of service, which shall begin accruing monthly upon commencement
of employment. You will be eligible to use your accrued vacation after your
first thirty (30) days of employment, and in accordance with the provisions of
the Employee Handbook thereafter. However, you will be eligible to take your
previously planned vacation March 17 through March 25, 2001. This paid time-off
will be advanced to you as part of your first year's accrual.

         6. CONFIDENTIALITY AGREEMENT. One of the conditions of your employment
with MessageMedia is the maintenance of the confidentiality of MessageMedia's
proprietary and confidential information. In your work for MessageMedia, you
will be expected not to use or disclose any confidential information, including
trade secrets, of any former employer or other person to whom you have an
obligation of confidentiality. Rather, you will be expected to use only that
information that is generally known and used by persons with training and
experience comparable to your own, which is common knowledge in the industry or
otherwise legally in the public domain or which is otherwise provided or
developed by MessageMedia. You also should not bring onto the MessageMedia
premises any unpublished documents or property belonging to any former
employer or other person to whom you have an obligation of confidentiality.
During our discussions about your proposed job duties, you assured us that you
would be able to perform those duties within the guidelines described above.
Before your start date, you must therefore execute MessageMedia's Proprietary
Information, Inventions, Noncompetition, and Nonsolicitation Agreement, which
you will find as Exhibit A. However, your commencement of employment shall
constitute acceptance of all the terms and conditions in MessageMedia's
Proprietary Information, Inventions, Noncompetition, and Nonsolicitation
Agreement except to the extent any such terms or conditions conflict with or are
different from the provisions of this letter agreement, in which case the
provisions hereof shall control.

         7. AT-WILL EMPLOYMENT. Your employment with MessageMedia will be
"at-will." This means that either you or MessageMedia may terminate your
employment at any time, with or without cause, with or without notice, and for
any reason or no reason. Any contrary representations or agreements, which may
have been made to you, are superseded by this offer. The "at will" nature of
your employment described in this offer letter shall constitute the entire
agreement between you and MessageMedia concerning the nature and duration of
your employment. Though your job duties, title, compensation, and benefits may
change over time and you may be subject to incremental discipline that does not
include a termination, none of these events change our agreement that you are an
"at will" employee. In addition, the fact that the rate of your salary, bonuses,
option vesting schedules or other compensation are stated in units of years or
months and that your vacation and personal leave accrue annually or monthly does
not alter the at-will nature of the employment, and does not mean and should not
be interpreted to mean that you are guaranteed employment to the end of any
period of time or for any time period. The "at will" term of your employment
with MessageMedia can be changed only in a writing signed by you and the CEO of
MessageMedia.

                                                               Initial

                                                           W.E.B.  S.L.M.
                                                               2/25/01
<PAGE>   3

         8. SEVERANCE. As set forth in Paragraph 7 above, you and the Company
each acknowledge that either party has the right to terminate your employment
with the Company at any time for any reason whatsoever, with or without cause or
advance notice. However, if you are terminated by the Company you shall be
entitled to severance benefits set forth below. You are not eligible for any
payments under the MessageMedia, Inc. Severance Benefit Plan.

                  (a) TERMINATION BY DEATH OR DISABILITY. In the event you die
during your employment with the Company or become permanently disabled, as
evidenced by your inability to carry out your job responsibilities for a
continuous period of six months, your employment and the Company's obligation to
make payments hereunder shall terminate on the date of your death, or the date
upon which, in the sole determination of the Board of Directors, you have failed
to carry out your job responsibilities for six months due to disability, except
the Company shall pay to you or to your personal representative (a) any salary
earned but unpaid prior to such date of termination and all accrued but unused
vacation, and (b) any business reimbursement expenses that were incurred but not
reimbursed as of such date of termination. The Company's ability to terminate
you as a result of any disability shall be to the extent permitted by state
and/or federal law. Vesting of any shares pursuant to the Plan, the option
agreement, or any grant notices or any other unvested shares shall cease on the
date of death or disability.

                  (b) VOLUNTARY RESIGNATION. In the event you voluntarily resign
from your employment with the Company, the Company's obligation to make payments
hereunder shall cease upon such resignation, except the Company shall pay you
(a) any salary earned but unpaid prior to the resignation and all accrued but
unused vacation, and (b) any business reimbursement expenses that were incurred
but not reimbursed as of the date of resignation. Vesting of any shares pursuant
to the Plan, the option agreement, any grant notices or any other unvested
shares shall cease on the date of resignation. In the event that you voluntarily
resign your position with the Company, you agree to continue to be bound by the
terms and conditions of your Employee Proprietary Information, Inventions,
Noncompetition, and Nonsolicitation Agreement, attached as Exhibit A, except to
the extent otherwise provided in this letter agreement.

                  (c) TERMINATION BY THE COMPANY WITHOUT JUST CAUSE OR BY YOU
WITH GOOD REASON. In the event that you are terminated by the Company for any
reason other than Just Cause (as defined below) or that you terminate your
employment for Good Reason (as defined below), and provided you sign a full
general release, releasing all claims known or unknown that you may have against
the Company as of the date you sign such release, and upon the written
acknowledgment of your continuing obligations under the Employee Proprietary
Information, Inventions, Noncompetition, and Nonsolicitation Agreement, attached
as Exhibit A (except to the extent otherwise provided in this letter agreement),
you shall receive as severance benefits three months base salary, less all
applicable deductions and withholdings ("Severance Payments"). Severance
Payments shall be calculated based on your then current salary as of the
termination date and shall be paid in the normal course of the Company's payroll
cycle, less all applicable deductions and withholdings.

                  (i) "GOOD REASON" as used herein means any one or more of the
following events: failure by the Company to comply with any material provision
of this Agreement, with such failure continuing for a period of thirty (30) days
after your providing written notice of such failure to the Company; a reduction
by the Company of your base salary, except for across-the-board salary
reductions affecting management personnel of the Company; you are no longer the
lead financial officer of the Company or in the case of change of control, the
lead financial officer of the resulting subsidiary, division or business unit;
or relocation of your place of business more than 35 miles from
Superior/Louisville, Colorado.

                                                               Initial

                                                           W.E.B.  S.L.M.
                                                               2/25/01

<PAGE>   4
                  (ii) TERMINATION UNDER CHANGE OF CONTROL. In the event of a
termination of your employment by the Company without Just Cause (as defined
below) or by you with Good Reason within eighteen months after a Change in
Control (as defined below), you will also be entitled to twelve (12) months
accelerated and immediate vesting of the then unvested portion of all stock
options outstanding as of the date of termination. Vesting shares pursuant to
the Plan, the option agreement, any grant notices or any other unvested shares
shall cease on the date of termination.

                           (1) "CHANGE OF CONTROL" as used herein means the
occurrence of any one of the following events (a) individuals who, on your start
date are members of the Board of Directors (the "Incumbent Directors") cease for
any reason following your start date to constitute at least a majority of the
Board; provided, however, that any new director who is approved by a vote of at
least a majority of the Incumbent Directors shall be treated as an Incumbent
Director; (b) the stockholders of the Company approve a merger, consolidation,
statutory share exchange or similar form of corporate transaction in which the
Company is not the ultimate surviving parent corporation or entity; (c) the
stockholders of the Company approve a plan of complete liquidation or
dissolution of the Company or a sale of all or substantially all of the
Company's assets; or (d) any acquisition by any person or persons acting as a
group other than Softbank Corporation that results in such person or persons
owning fifty percent (50%) or more of the Company's voting securities.

                           (2) SECTION 4999 OF THE INTERNAL REVENUE CODE OF
1986, AS AMENDED. If the Company's independent auditors determine that any
acceleration of vesting or lapse of restrictions with respect to an Option would
subject you to an excise tax under Section 4999 of the Internal Revenue Code of
1986, as amended (the "Code"), such acceleration of vesting or lapse of
restrictions shall not occur (a "Cutback") to the extent necessary to avoid
imposition of such excise tax, but only if by reason of such Cutback the
resulting Net After-Tax Benefit (as defined below) exceeds the Net After-Tax
Benefit (determined without giving effect to this sentence); provided, however,
that no such Cutback shall occur if such Cutback would prevent the use of the
pooling of interest method of accounting in respect of the transaction giving
rise to the Change in Control in a transaction where the Company seeks to use
such method of accounting. For purposes of this Agreement, "Net After-Tax
Benefit" means the sum of (x) the total amount payable to you hereunder, plus
(y) all other benefits and payments which are payable to or for your benefit
that constitute "parachute payments" within the meaning of Code Section 380(g),
less (z) the amount of federal, state and local income taxes and other taxes
(including any excise tax imposed under Code Section 4999) payable with respect
to the foregoing amounts, calculated assuming you were subject to the maximum
income tax rates for each year in which such foregoing amounts are paid.

                  (d) TERMINATION FOR JUST CAUSE. In the event you are
terminated by the Company for Just Cause (as defined below), the Company's
obligation to make payments hereunder shall cease upon the date of receipt by
you of written notice of such termination, except the Company shall pay you any
salary earned but unpaid prior to termination, all accrued but unused vacation
and any business expenses that were incurred but not reimbursed as of the date
of termination. Vesting of any shares pursuant to the Plan, the option
agreement, any grant notices or any other unvested shares shall cease on the
date of termination. In the event that you are terminated for Just Cause, you
agree to continue to be bound by the terms and conditions of your Employee
Proprietary Information, Inventions, Noncompetition, and Nonsolicitation
Agreement, attached as Exhibit A, except to the extent otherwise provided in
this letter agreement.

                                                               Initial

                                                           W.E.B.  S.L.M.
                                                               2/25/01

<PAGE>   5

                  (i) "JUST CAUSE" for termination shall mean that the Company,
acting in good faith based upon the information then known to the Company,
determines that you have committed or engaged in: willful misconduct, gross
negligence, substantiated charges of theft, fraud, or other illegal or dishonest
conduct which are considered to be harmful to the Company by the majority vote
of its Board of Directors; refusal or unwillingness to perform job duties;
failure to adequately perform job duties (provided that such failure continues
for a period of thirty (30) days after the Company provides written notice to
you of such failure); habitual absenteeism; substantial dependence on alcohol or
any controlled substance; sexual or other forms of illegal harassment; conduct
that reflects adversely upon, or making any remarks disparaging of the Company,
its Board, Officers, Directors, advisors, executives, affiliates or
subsidiaries; insubordination; any willful act that is likely to and which does,
in fact, have the effect of injuring the reputation, business, or business
relationship of the Company; violation of fiduciary duty; violation of any duty
of loyalty; and breach of any term of this Agreement, including the Employee
Proprietary Information, Inventions, Noncompetition, and Nonsolicitation
Agreement, Exhibit A, except to the extent otherwise provided in this letter
agreement. Your termination of employment with Good Reason shall not constitute
Just Cause. Termination with Just Cause may be made without advance notice to
you at the sole discretion of the Company, but a written notice of any such
termination will be given to you promptly thereafter. In the event you are
terminated for Just Cause you will not be entitled to any Severance Payments,
pay in lieu of notice, future vesting of any shares under any option, or any
other such compensation set forth herein, but you will be entitled to all
compensation, benefits and unreimbursed expenses accrued and/or vested through
the date of termination. The parties acknowledge that this definition of "Just
Cause" in not intended and does not apply to any aspect of the relationship
between the Company and any of its employees, including you, beyond determining
your eligibility for the Severance Payments.

         9. EXEMPT EMPLOYMENT. Normal working hours are from 8 a.m. to 5 p.m.,
Monday through Friday. As an exempt, salaried employee, you will be expected to
work additional hours as required by the nature of your work assignments.

         10. MISCELLANEOUS. This letter states the complete and exclusive terms
and conditions of your employment and supercedes any and all prior agreements,
whether written or oral. By joining MessageMedia, you are agreeing to abide by
all laws and regulations, all MessageMedia policies and procedures, to
acknowledge in writing that you have read MessageMedia's Employee Handbook and
that you are bound by the terms and conditions of the Company's Proprietary
Information, Inventions, Noncompetition, and Nonsolicitation Agreement, except
to the extent such terms or conditions conflict with or are different from the
provisions of this letter agreement, in which event the provisions of this
letter agreement shall control. Violations of these policies may lead to
immediate termination of employment. As required by law, this offer is subject
to satisfactory proof of your right to work in the United States.

                                                               Initial

                                                           W.E.B.  S.L.M.
                                                               2/25/01
<PAGE>   6
         We look forward to having you join us at MessageMedia. If you wish to
accept this offer under the terms and conditions described above please sign and
date this letter and the attached Proprietary Information, Inventions,
Noncompetition, and Nonsolicitation Agreement and return them to me by February
26, 2001. If you have any questions about the terms of this offer, please do not
hesitate to call me to discuss our offer at your earliest convenience.

Sincerely,

/s/ SUSAN L. MORSE

Susan L. Morse
VP, Human Resources

I have read this offer and I understand and I accept its terms.

/s/ WILLIAM E. BUCHHOLZ                                   2/25/01
----------------------------                              ----------------------
William E. Buchholz                                       Date

 CC:  Larry Jones

                                                                      Initial

                                                                   W.E.B. S.L.M.
                                                                      2/25/01

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