Exhibit 23.3

                        Consent of Independent Auditors

We consent to the incorporation by reference in the Registration Statements
(Form S-8 Nos. 333-78471, 333-78467, 333-78469 and 333-78473) pertaining to the
1998 Employee Stock Purchase Plan, the Amended and Restated 1997 Stock Incentive
Plan, the Amended and restated 1989 Stock Option Plan and the 1998 Director
Stock Option Plan of Bottomline Technologies (de), Inc. of our report dated
November 10, 2000 with respect to the financial statements of Checkpoint
Security Services Limited for the year ended April 30, 1998 included in
Bottomline Technologies (de), Inc.'s Current Report on Form 8-K/A, dated
November 13, 2000, filed with the Securities and Exchange Commission.

                                                          /s/ Smith & Williamson

November 10, 2000
Guildford, England