Why don't you simply configure SpamAssassin to not put the version number in the header to begin with?
You can use directives like clear_headers, add_headers in your local.cf configuration file to configure these. For instance I have these two lines in my local.cf: clear_headers add_header all Status _YESNO_, score=_SCORE_ required=_REQD_ tests=_TESTS_ autolearn=_AUTOLEARN_ This gives me headers like this: X-Spam-Status: No, score=-7.0 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,RCVD_IN_DNSWL_HI,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL autolearn=ham Good luck! Erik. On 11-08-14 13:00, li...@rhsoft.net wrote: > Hi > > http://www.postfix.org/header_checks.5.html > > RULE: /X-Virus-Scanned/ REPLACE X-Virus-Scanned: Yes > BEFORE: X-Virus-Scanned: clamav-milter 0.98.4 at testserver.rhsoft.net > NOW: X-Virus-Scanned: Yes > > so far, so nice > _____________________________________ > > but in case of "X-Spam-Status" i am out of ideas to get only the > "version=3.4.0" > away to not leak software versions and if possible the wrong > "UNPARSEABLE_RELAY" > and i am even not sure if it is possible at all > > the rest of the SpamAssasin header should stay untouched > > X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY > autolearn=ham autolearn_force=no version=3.4.0 >