matt kettler sgngcnuc_vgverizonnet jose luis wrote thanks answer mail server qmail clamav sa spf simscan configurations qmail simscan get headers im certainly expert qmail never used likely never unless djb makes changes thats really personal preference said might updated version simscan ask simscan mailing list alternative ditch simscan switch qmailscanner afaik generate xqmailscannermailfrom header simscan might something similar already know little tell sa use abnormal headers like one qmailscanner makes using envelope_sender_header option sa thu 07 aug 2008 013116 0400 spamassassin spf error