At 13:17 13-06-2008, Russell Bell wrote:
>Meaning it has not had anything added after composition, as
>many people have added by their MTA automatically appended
>to their messages, calling them 'signatures'.
The "signature" you see in the mail log refers to the DKIM header
which carries the signature of the signed message. If the header is
not found, a "no signature" message is logged.