Supported Standards

ActiveSpamAV SMTP Proxy complies to the following standards:

• Simple Mail Transfer Protocol (SMTP), RFC 2821
• SMTP Service Extensions, RFC 1869
• SMTP Service Extension for Authentication, RFC 2554
• Configuration Options
• No Spam Today SMTP Proxy Configuration Options
• IP port number for incoming mail (default 25)
• outgoing mail server/port number
• maximum number of concurrent SMTP connections to outgoing server
• reject spam yes/no (return code 550 for supposed spam) with configurable failure message
• SpamAssassin™ Configuration Options (Excerpt)
• required hits (how many filtering points are needed to flag a mail as spam?)
• flag spam in subject line yes/no, configurable text
• sender whitelist and blacklist
• Read more about SpamAssassin™ here: http://spamassassin.org