Document:

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                                                                   EXHIBIT 10.49

           FIRST AMENDMENT TO PLEDGE AGREEMENT DATED DECEMBER 3, 1999

         This FIRST AMENDMENT TO PLEDGE AGREEMENT DATED DECEMBER 3, 1999, is
made this 28th day of March, 2000, between KING FAMILY PARTNERS, an Ohio limited
partnership ("Pledgor"), and POPMAIL.COM, INC., a Minnesota corporation (the
"Company"), as secured party.

                              W I T N E S S E T H:

         WHEREAS, Pledgor has executed and delivered that certain promissory
note dated December 3, 1999, payable to the Company in the principal amount of
$2,450,000 (the "December 1999 Note");

         WHEREAS, Pledgor owns 1,250,000 shares of the common stock, $.01 par
value, of the Company (the "Shares"), which were pledged to the Company as
security for Pledgor's obligations under the December 1999 Note pursuant to a
Pledge Agreement dated as of December 3, 1999 (the "Pledge Agreement");

         WHEREAS, Pledgor has executed another promissory note dated March 28,
2000, payable to the Company in the amount of $245,000 (the "March 2000 Note");

         WHEREAS, Pledgor has agreed to modify the terms of the Pledge Agreement
so that the Pledge Agreement, as amended, will secure all amounts due and owing
under the March 2000 Note, in addition to all amounts due and owing under the
December 1999 Note.

         NOW, THEREFORE, in consideration of the foregoing and the mutual
covenants and promises set forth herein, and in consideration of other good and
valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, the parties agree as follows:

         1. The term "Shares" as used in the Pledge Agreement shall be deemed to
include the 122,500 shares of common stock, par value $.01 per share, of the
Company acquired by Pledgor on or about March 30, 2000.

         2. The term "Secured Obligations" as used in the Pledge Agreement
shall, in addition to all of Pledgor's obligation's to the Company arising out
of the December 1999 Note, also be deemed to include all of Pledgor's
obligations for the payment and performance of each and every debt, liability
and obligation pursuant to the March 2000 Note.

         3. Except as expressly amended hereby, all other terms and conditions
of the Pledge Agreement shall remain in full force and effect.

                           [SIGNATURE PAGE TO FOLLOW]

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         IN WITNESS WHEREOF, the parties hereto have executed this Agreement the
day and year first above written.

PLEDGOR:                       KING FAMILY PARTNERS, an Ohio limited partnership

                               By:  SDK Investments, Inc., its General Partner

                               By: /s/ Stephen D. King
                                   ---------------------------------------------
                                   Stephen D. King, President

THE COMPANY:
                               POPMAIL.COM, INC., a Minnesota corporation

                               By: /s/ Thomas W. Orr
                                   ---------------------------------------------
                                   Thomas W. Orr
                                   Chief Financial Officer

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                                                                   EXHIBIT 10.50

                              AMENDED AND RESTATED
                                 PROMISSORY NOTE

                                                          Bloomington, Minnesota
$2,450,000.00                                                   December 3, 1999

         FOR VALUE RECEIVED, KING FAMILY PARTNERS, an Ohio limited partnership
(the "Maker"), hereby unconditionally promises to pay to POPMAIL.COM, INC., a
Minnesota corporation, or its successors and assigns (the "Payee"), at
Bloomington, Minnesota or at such other place or places as may be designated by
Payee from time to time, the sum of Two Million Four Hundred Fifty Thousand
Dollars ($2,450,000.00) (the "Principal Sum").

         The Principal Sum, plus interest thereon from the date hereof at the
rate of 5.74 percent per annum, shall be due and payable by Maker to Payee on
December 3, 2002 (the "Maturity Date") in any coin or currency of the United
States of America which, at the time of payment, is legal tender for the payment
of public and private debts.

         All payments on account of this Note, when paid, shall be applied first
to the payment of all interest then due on the unpaid balance of this Note and
the balance, if any, shall be applied to reduction of the unpaid balance of the
Principal Sum. This Note may be prepaid in full or in part at any time without
premium.

         Maker agrees to immediately pay to Holder hereof, upon demand, all
losses, costs and expenses (including attorneys' fees) incurred by Holder for
collection and enforcement of this Note in the event of default or otherwise.

         Maker waives presentment, protest and demand, notice of protest, notice
of dishonor and non-payment of this Note, and expressly agrees that this Note,
or any payment hereunder, may be extended from time to time without in any way
affecting the liability of Maker.

         The terms, conditions and provisions of this Note shall be construed
and enforced according to the laws of the State of Minnesota.

         Notwithstanding any of the provisions of this Note, Payee shall look
solely to the Collateral (as defined in that certain Pledge Agreement between
Maker and PopMail.com, inc. dated December 3, 1999) for the satisfaction of the
obligations of this Note or any obligation in any other instrument securing
payment hereof and shall not seek a personal judgment against Maker except to
the extent the laws of the State of Minnesota make a judgment against Maker
necessary in order to enforce the terms of such instruments. In no event shall
the Payee seek to enforce or collect a deficiency judgment with respect to this
Note against Maker.

                                       1

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         This Note supersedes all provisions of any and all previous promissory
notes delivered by Maker on December 3, 1999, in favor of Payee in the principal
amount of $2,450,000.00.

         IN WITNESS WHEREOF, the duly authorized officer of Maker has caused
this Note to be executed on the date first above written.

                                           King Family Partners,
                                           an Ohio limited partnership

                                           By: SDK Investments, Inc., its
                                           General Partner

                                           By: /s/ Stephen D. King
                                              ----------------------------------
                                              Stephen D. King
                                              President

Acknowledged and accepted by
POPMAIL.COM, INC., this 29th
day of March, 2000:

By:  s/ Thomas W. Orr
   ---------------------------------
 Name:  Thomas W. Orr
 Title:    CFO

                                       2<PAGE>   1
                                                                   EXHIBIT 10.51

                                 PROMISSORY NOTE

                                                        Bloomington, Minnesota
$245,000.00                                                     March 30, 2000

         FOR VALUE RECEIVED, KING FAMILY PARTNERS, an Ohio limited partnership
(the "Maker"), hereby unconditionally promises to pay to POPMAIL.COM, INC., a
Minnesota corporation, or its successors and assigns (the "Payee"), at
Bloomington, Minnesota or at such other place or places as may be designated by
Payee from time to time, the sum of Two Hundred Forty-Five Thousand Dollars
($245,000.00) (the "Principal Sum").

         The Principal Sum, plus interest thereon from the date hereof at the
rate of 5.74 percent per annum, shall be due and payable by Maker to Payee on
March 30, 2003 (the "Maturity Date") in any coin or currency of the United
States of America which, at the time of payment, is legal tender for the payment
of public and private debts.

         All payments on account of this Note, when paid, shall be applied first
to the payment of all interest then due on the unpaid balance of this Note and
the balance, if any, shall be applied to reduction of the unpaid balance of the
Principal Sum. This Note may be prepaid in full or in part at any time without
premium.

         Maker agrees to immediately pay to Holder hereof, upon demand, all
losses, costs and expenses (including attorneys' fees) incurred by Holder for
collection and enforcement of this Note in the event of default or otherwise.

         Maker waives presentment, protest and demand, notice of protest, notice
of dishonor and non-payment of this Note, and expressly agrees that this Note,
or any payment hereunder, may be extended from time to time without in any way
affecting the liability of Maker.

         The terms, conditions and provisions of this Note shall be construed
and enforced according to the laws of the State of Minnesota.

         Notwithstanding any of the provisions of this Note, Payee shall look
solely to the Collateral (as defined in that certain Pledge Agreement between
Maker and PopMail.com, inc. dated December 3, 1999, and amended as of even date
herewith) for the satisfaction of the obligations of this Note or any obligation
in any other instrument securing payment hereof and shall not seek a personal
judgment against Maker except to the extent the laws of the State of Minnesota
make a judgment against Maker necessary in order to enforce the terms of such
instruments. In no event shall the Payee seek to enforce or collect a deficiency
judgment with respect to this Note against Maker.

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         IN WITNESS WHEREOF, the duly authorized officer of Maker has caused
this Note to be executed on the date first above written.

                               King Family Partners,
                               an Ohio limited partnership

                               By: SDK Investments, Inc., its General Partner

                               By: s/ Stephen D. King
                                   ------------------------------------------
                                      Stephen D. King
                                      President

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