0a6419d7__virus_filter_for_SMTP_servers__Comments
[Token] EVFY [Type] Verb [Reference] IETF Archives [SMTP server] Zmailer [Comments] 
Planned to return whether an address is likely to accept 8 bit messages
ESMTP Keywords and Verbs (commands) Defined - Fluffy the SMTPGuardDog - spam and virus filter for SMTP servers
Comments