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Exhibit 23.1
Consent of Independent Auditors
We consent to the reference to our firm under the caption "Experts" in the
Registration Statement (Form S-3) and related Prospectus of Bottomline
Technologies (de), Inc. for the registration of 615,764 shares of its common
stock and to the incorporation by reference therein of our report dated August
2, 1999, with respect to the financial statements and schedule of Bottomline
Technologies (de), Inc. included in its Annual Report (Form 10-K) for the year
ended June 30, 1999, filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
Boston, Massachusetts
August 14, 2000
