![]() However, when we turn SpamAssassin on, the headers are modified so that both messages look like: X-Original-To: there is absolutely nothing in the message that lets me know which one was for which recipient. renattach rename or delete attachments by file name or file type, by Jem Berkes. ClamSMTP content filter based on the ClamAV anti-virus software. Postfix+Amavis+ClamAV+Spamassassin howto by Tobias Rice. The process can be confusing for someone attempting it for the first time. XamimeLT email content management system. spamassassin package can also be integrated into a Mail Transport Agent such as postfix. On Ubuntu 20.04, you can use tools like Postfix, Dovecot, MySQL, and SpamAssassin to configure a mail server. ![]() We can look at the X-Original-To or the Delivered-To to know who was the original recipient of the message. Automagically whitelist recipients from postfix in Spamassassin utility by Dick Visser. Each rule adds or removes points from a messages spam score. It is a rule-based system that compares different parts of email messages with a large set of rules. ![]() #Spamassassin postfix softwareIf a message is sent to two addresses in our domain, we'll get two messages delivered to the catchall, the first one with headers like: X-Original-To: the second on with headers like: X-Original-To: is exactly what we want. The SpamAssassin system is software for analyzing email messages, determining how likely they are to be spam, and reporting its conclusions. ![]() Our virtual_alias_maps file looks something like: catchall amavisd-new-2.12.01,1 Mail scanner interface between mailer and content checkers clamav-0.103.0,1 Command line virus scanner written entirely in C dovecot-2.3.11.31 Secure, fast and powerful IMAP and POP3 server dovecot-pigeonhole-0.5.11 Sieve plugin for the Dovecot deliver LDA and LMTP postfix-3.5. We use Postfix with all of the mail routed to a catchall account. Adding Spamassassin to my Postfix has had an unwarnted effect on my email headers. ![]()
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