>>> Presumably this is non-standard. Should it be something that Cyrus >>> handles better, or should be something that Postfix repairs or rejects? >> > > Should this one work? > > http://www.postfix.org/postconf.5.html#message_strip_characters Thanks. That looks like it should do the job. message_strip_characters = \0 I'll try it out (although so far only one message out of hundreds of thousands has caused trouble). Mark ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ To Unsubscribe: https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus