Exhibit 13.1

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002




In connection with the Annual Report of Commtouch  Software Ltd. (the "Company")
on Form  20-F  for the  period  ending  December  31,  2003 as  filed  with  the
Securities and Exchange Commission on the date hereof (the "Report"), we, Gideon
Mantel and Devyani Patel, Chief Executive Officer and VP Finance of the Company,
respectively,  certify,  pursuant to 18 U.S.C. Section 1350, as adopted pursuant
to Section 906 of the Sarbanes-Oxley Act of 2002, that:

     (1)  The Report fully  complies with the  requirements  of Section 13(a) or
          15(d) of the Securities Exchange Act of 1934; and

     (2)  The  information  contained  in the  Report  fairly  presents,  in all
          material respects,  the financial  condition and results of operations
          of the Company.

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/s/ Gideon Mantel                            /s/ Devyani Patel
Gideon Mantel                                Devyani Patel
Chief Executive Officer                      V.P. Finance
June 18, 2004                                June 18, 2004
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This  certificate  is provided  solely  pursuant to 18 U.S.C.  1350,  as adopted
pursuant to Section 906 of the  Sarbanes-Oxley  Act of 2002, and is not deemed a
part of the report or filed for any reason whatsoever. A signed original of this
written  statement  required  by  Section  906 has been  provided  to  Commtouch
Software  Ltd. and will be retained by Commtouch  Software Ltd. and furnished to
the Securities and Exchange Commission or its staff upon request.