Document:

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                                                                   Exhibit 10.5

                                ZIXIT CORPORATION
                        1999 DIRECTORS' STOCK OPTION PLAN
                  (AMENDED AND RESTATED AS OF JANUARY 1, 2000)

Section 1.        PURPOSE

         The purpose of the ZixIt Corporation 1999 Directors' Stock Option Plan
(hereinafter called the "Plan") is to advance the interests of ZixIt
Corporation, a Texas corporation (hereinafter called the "Company"), by
strengthening the ability of the Company to attract, on its behalf, and retain
External Directors (as defined below) of high caliber through encouraging a
sense of proprietorship by means of stock ownership.

Section 2.        DEFINITIONS

         "Adoption Date" shall mean January 28, 1999.

         "Board" shall mean the Board of Directors of the Company.

         "Code" shall mean the Internal Revenue Code of 1986, as amended from
time-to-time.

         "Committee" shall mean the entire Board of Directors, or if the
administration of the Plan has been delegated to a committee of the Board, a
committee selected by the Board and comprised of at least two directors. To the
extent necessary to comply with the requirements of Rule 16b-3, the Committee
shall consist of two or more Non-Employee Directors.

         "Common Stock" shall mean the common stock of the Company, par value
$.01 per share.

         "Date of Grant" shall mean the date on which an Option is granted under
the Plan.

         "Designated Beneficiary" shall mean the beneficiary designated by the
Optionee, in a manner determined by the Committee, to receive amounts due the
Optionee in the event of the Optionee's death. In the absence of an effective
designation by the Optionee, Designated Beneficiary shall mean the Optionee's
estate.

         "Eligible Director" shall mean an External Director who has served on
the Board at least 12 consecutive months as of the Date of Grant.

         "Exchange Act" shall mean the Securities Exchange Act of 1934, as
amended.

         "External Director" shall mean a member of the Board who is not an
employee of the Company or a subsidiary.

         "Fair Market Value" shall mean the closing sales price (or average of
the quoted closing bid and asked prices if there is no closing sales price
reported) of the Common Stock on the date specified as reported by the NASDAQ
Stock Market, or by the principal national stock exchange on which the Common
Stock is then listed. If there is no reported price information for such date,
the Fair Market Value will be determined by the reported price information for
Common Stock on the day nearest preceding such date.

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         "Grant Shares" shall mean, with respect to each Eligible Director for a
particular year, a number of shares calculated according to the following
formula: 1% of the number of the Company's outstanding Common Stock shares as of
the December 31 immediately preceding the Date of Grant divided by the number of
then-Eligible Directors. In no event may the number of Grant Shares in any given
year to any given Eligible Director exceed one-half of 1% of the Company's
outstanding Common Stock shares.

         "Non-Employee Director" shall have the meaning given such term in Rule
16b-3.

         "Option" shall mean a nonqualified option to purchase shares of the
Company's Common Stock.

         "Optionee" shall mean the person to whom an Option is granted under the
Plan or who has obtained the right to exercise an Option in accordance with the
provisions of the Plan.

         "Rule 16b-3" shall mean Rule 16b-3 of the rules and regulations under
the Exchange Act as it may be amended from time-to-time and any successor
provision to Rule 16b-3 under the Exchange Act.

Section 3.        ADMINISTRATION

         The Plan shall be administered by the Committee. The Committee shall
have sole and complete authority to adopt, alter and repeal such administrative
rules, guidelines and practices governing the operation of the Plan as it shall
from time-to-time deem advisable, and to construe, interpret and administer the
terms and provisions of the Plan and the agreements thereunder. The
determinations and interpretations made by the Committee are final and
conclusive and binding on all persons.

Section 4.        ELIGIBILITY

         All External Directors shall be eligible to receive awards of Options
under the Plan.

Section 5.        MAXIMUM AMOUNT AVAILABLE FOR AWARDS

         Subject to the provisions of Section 9, the maximum number of shares of
Common Stock in respect of which Options may be granted under the Plan shall be
750,000 shares of Common Stock. Shares of Common Stock may be made available
from authorized but unissued shares of the Company or from shares reacquired by
the Company, including shares purchased in the open market. In the event that an
Option is terminated unexercised as to any shares of Common Stock covered
thereby, such shares shall thereafter be again available for award pursuant to
the Plan.

Section 6.        STOCK OPTIONS

         (a) During the term of the Plan, on the day that an External Director
is first appointed or elected to the Board, such director shall be granted
nonqualified Options to purchase 25,000 shares of the Company's Common Stock.
Also, during the term of the Plan, on the first business day of January of each
year after the Adoption Date, each Eligible Director shall be granted Options to
purchase the Grant Shares. Each Eligible Director serving on the Board on the
Adoption Date shall be granted Options to purchase the Grant Shares, effective
as of the Adoption Date. Directors that receive the Grant Shares are not
eligible to receive a directors' retainer cash payment, although they are
eligible to be reimbursed for expenses related to Board activities.

         (b) All Options granted under the Plan prior to shareholder approval of
the Plan shall be subject to the approval of the Plan by the shareholders of the
Company.

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         (c) The exercise price of the 25,000 share option grants shall be 100%
of the Fair Market Value of the Common Stock on the Date of Grant. The exercise
price for the Grant Shares shall be 120% of the Fair Market Value of the Common
Stock on the Date of Grant. The exercise price of any outstanding Options may
not be repriced without the approval of the Company's shareholders (obtained in
accordance with applicable law), given in each specific instance.

         (d) Each Option hereunder shall be evidenced in writing, delivered to
the Optionee, and shall be exercisable at such times and subject to such terms
and conditions as specified in the applicable grant and agreement, subject to
the following principles:

         (1)      the 25,000 share option grants shall vest six months from the
                  Date of Grant;

         (2)      the Grant Shares shall vest annually and pro-rata on each of
                  the first three anniversaries of the Date of Grant; provided,
                  that, the vesting will accelerate if (a) a Change in Control
                  (as defined in the applicable agreement) of the Company occurs
                  or (b) the director is removed by vote of the shareholders
                  other than for Cause (as defined in the applicable agreement);
                  and

         (3)      the Options may not be exercised after the tenth anniversary
                  of the Date of Grant.

         The Committee may impose such conditions with respect to the exercise
of Options (that are consistent with the foregoing principles), including
without limitation, any relating to the application of federal or state
securities laws, as it may deem necessary or advisable.

         (e) No shares shall be delivered pursuant to any exercise of an Option
until cash payment in full of the option price therefor is received by the
Company. If the shares to be purchased are covered by an effective registration
statement under the Securities Act of 1933, any Option may be exercised by a
broker-dealer acting on behalf of an Optionee if (a) the broker-dealer has
received from the Optionee instructions signed by the Optionee requesting the
Company to deliver the shares of Common Stock subject to such Option to the
broker-dealer on behalf of the Optionee and specifying the account into which
such shares should be deposited, (b) adequate provision has been made with
respect to the payment of any withholding taxes due upon such exercise, and (c)
the broker-dealer and the Optionee have otherwise complied with Section
220.3(e)(4) of Regulation T, 12 CFR Part 220, or any successor provision. The
Company shall have the right to deduct from all amounts paid to an Optionee in
cash (whether under the Plan or otherwise) any taxes the Company withholds in
respect of Options under the Plan.

         (f) The Company shall not be required to issue any fractional shares
upon the exercise of any Options granted under the Plan. No Optionee or such
Optionee's legal representatives, legatees or distributees, as the case may be,
will be, or will be deemed to be, a holder of any shares subject to an Option
unless and until said Option has been exercised and the purchase price of the
shares in respect of which the Option has been exercised has been paid. Unless
otherwise provided in the agreement applicable thereto, an Option shall not be
exercisable except by the Optionee or by a person who has obtained the
Optionee's rights under the Option by will or under the laws of descent and
distribution or pursuant to a "qualified domestic relations order" as defined in
the Code, and no right or interest of any Optionee shall be subject to any lien,
obligation or liability of the Optionee.

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Section 7.        PLAN AMENDMENTS

         The Board may amend, abandon, suspend or terminate the Plan or any
portion thereof at any time in such respects as it may deem advisable in its
sole discretion, provided that no amendment shall be made without shareholder
approval if such amendment is material or if shareholder approval is necessary
to comply with any tax or regulatory requirement.

Section 8.        RESTRICTIONS ON ISSUANCE OF OPTIONS AND OPTION SHARES

         The Company shall not be obligated to issue any shares upon the
exercise of any Option granted under the Plan unless: (1) the shares pertaining
to such Option have been registered under applicable securities laws or are
exempt from such registration; (2) if required, the prior approval of such sale
or issuance has been obtained from any state regulatory body having
jurisdiction; and (3) in the event the Common Stock has been listed on any
exchange, the shares pertaining to such Option have been duly listed on such
exchange in accordance with the procedure specified therefor. The Company shall
be under no obligation to effect or obtain any listing, registration,
qualification, consent or approval with respect to shares pertaining to any
Option granted under the Plan. If the shares to be issued upon the exercise of
any Option granted under the Plan are intended to be issued by the Company in
reliance upon the exemptions from the registration requirements of applicable
federal and state securities laws, the recipient of the Option, if so requested
by the Company, shall furnish to the Company such evidence and representations,
including an opinion of counsel satisfactory to it as the Company may reasonably
request.

         The Company shall not be liable for damages due to a delay in the
delivery or issuance of any stock certificates for any reason whatsoever,
including, but not limited to, a delay caused by listing, registration or
qualification of the shares of Common Stock pertaining to any Option granted
under the Plan upon any securities exchange or under any federal or state law or
the effecting or obtaining of any consent or approval of any governmental body.

         The Committee may impose such other restrictions on the ownership and
transfer of shares issued pursuant to the Plan as it deems desirable; any such
restrictions shall be set forth in the agreement applicable thereto.

Section 9.        ADJUSTMENT TO SHARES

         In the event that the Committee shall determine that any stock
dividend, recapitalization, reorganization, merger, consolidation, split-up,
spin-off, combination, exchange of shares, warrants or rights offering to
purchase Common Stock at a price substantially below Fair Market Value or other
similar corporate event affects the Common Stock such that an adjustment is
required in order to preserve the benefits or potential benefits intended to be
made available under the Plan, then the Committee shall adjust appropriately any
or all of (a) the number and kind of shares that thereafter may be optioned
under the Plan, (b) the number and kind of shares subject of Options and (c) the
exercise price with respect to any of the foregoing and/or, if deemed
appropriate, make provision for cash payment to an Optionee or a person who has
an outstanding Option; provided, however, that the number of shares subject to
any Option shall always be a whole number.

Section 10.       EFFECTIVE DATE; TERM; EFFECT ON 1996 PLAN

         Subject to the approval of the shareholders of the Company, the Plan
shall be effective as of the Adoption Date. No Options may be granted under the
Plan after January 27, 2009; however, all previously granted Options that have
not expired under their original terms or will not then expire at the time the
Plan

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expires will remain outstanding. The Plan supersedes the Company's 1996
Directors' Stock Option Plan, effective upon the approval of the Plan by the
Company's shareholders.

Section 11.       GENERAL PROVISIONS

         (a) Neither the Plan nor any Option granted hereunder is intended to
confer upon any Optionee any rights with respect to continuance of the
utilization of his or her services by the Company, nor to interfere in any way
with his or her right or that of the Company to terminate his or her services at
any time (subject to the terms of any applicable contract, law, regulation, and
the articles and bylaws of the Company).

         (b) No Optionee or Designated Beneficiary shall have any rights as a
shareholder with respect to any shares of Common Stock to be distributed under
the Plan until he or she has become the holder thereof.

         (c) The validity, construction, interpretation, administration and
effect of the Plan and of its rules and regulations, and rights relating to the
Plan, shall be determined solely in accordance with the laws of the State of
Texas (without giving effect to its conflicts of laws rules) and, to the extent
applicable, federal law.

         IN WITNESS WHEREOF, the Company has caused this Plan to be executed on
its behalf as of the 1st day of January 2000.

                                          ZIXIT CORPORATION

                                          By:  Ronald A. Woessner
                                               --------------------------------
                                          Title:  V.P.
                                                 ------------------------------
                                          Date:  3/15/00
                                                 ------------------------------

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                                                                    EXHIBIT 10.8

                                 AMENDMENT NO. 1
                   TO AMTC CORPORATION STOCK OPTION AGREEMENT

         This Agreement is entered into as of February 18, 2000, between David
P. Cook ("Cook") and ZixIt Corporation, a Texas corporation ("ZixIt"). Reference
is made to that certain AMTC Corporation Stock Option Agreement, effective as of
April 29, 1998, between Cook and ZixIt (the "Cook Option").

1.       Amendments.  The Cook Option is amended as follows:

         o        Delete 4,254,627 from Section 1 and substitute in its place
                  4,000,000.

         o        Delete 531,831 from Section 2 and substitute in its place
                  277,204.

         o        Delete clause (d) and renumber existing clause (e) as clause
                  (d) in Section 3. Delete the second paragraph of Section 3.

         o        Amend the first sentence of Annex A of the Cook Option to read
                  as follows: "At any time prior to the seventh anniversary of
                  the date hereof, the Optionee shall be entitled to make up to
                  four demands (but not more than one per calendar year) to the
                  Company to effect the registration under the Securities Act of
                  1933, as amended (the "Securities Act"), of all or part of the
                  Shares (provided that the Shares proposed to be sold by the
                  Optionee represent, in the aggregate, more than 15% of the
                  total number of Shares)."

2.       No Other Changes. Other than as provided herein, the Cook Option shall
remain in full force and effect.

         Executed on the dates set forth below, to be effective as of the date
first set forth above.

                                                   ZIXIT CORPORATION

                                                   By: /s/ Steve M. York
                                                      --------------------------
                                                      Steve M. York,
                                                      Senior Vice President

                                                   Date: 2/18/00
                                                        ------------------------

                                                   /s/ David P. Cook
                                                   -----------------------------
                                                   David P. Cook

                                                   Date: 2/18/00
                                                        ------------------------

                                                   /s/ Cheryl G. Cook
                                                   -----------------------------
                                                   Cheryl G. Cook

                                                   Date: 2/18/00
                                                        ------------------------

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