Today I found a missed SPAM that contained this in the header: X-Spam-Status: No, score=0.0 required=5.0 tests=FREEMAIL_FROM,MISSING_SUBJECT, T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.2
The subject was empty with a link starting with "ftp:" I guess it's the autolearn that is most puzzling me. joe a.