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Exhibit 23.3
Consent of Independent Auditors
We consent to the reference to our firm under the caption "Experts" in Amendment
No. 1 to the Registration Statement (Form S-3 No. 333-43842) and related
Prospectus of Bottomline Technologies (de), Inc. and to the incorporation by
reference 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
