0a6419d7__virus_filter_for_SMTP_servers__Comments
[Token] DSN [Type] Keyword [Reference] RFC1891 [SMTP server] Most [Comments] 
Indicates support for Delivery Status Notification by adding optional parameters to the MAIL and RCPT command
ESMTP Keywords and Verbs (commands) Defined - Fluffy the SMTPGuardDog - spam and virus filter for SMTP servers
Comments