On 5/21/2015 6:08 AM, Edgaras Lukoševičius wrote: > Hello, > > some of the recipients have multiple aliases. Let’s say 10. If they receive > email, aliases are expanded and one message is divided to 10. So instead of 1 > there is 10 messages for content filter. > > How can I make postfix expand aliases only after content filter or, if > content filter is not triggered, expand immediately?
Alias expansion is not conditional. Probably your best choice is to disable alias expansion before the content_filter, and expand aliases in the reinjection postfix listener. You can set main.cf "content_filter = relay:[127.0.0.1]:10026" so that mail that doesn't trigger the FILTER goes directly to the postfix reinjection listener. This will cause an extra hop, but won't do any filtering. -- Noel Jones > > # /etc/postfix/main.cf > smtpd_recipient_restrictions = > <…> > check_recipient_access > proxy:mysql:/etc/postfix/mysql/filter_recipient_domains.cf > <…> > > # /etc/postfix/mysql/filter_recipient_domains.cf > <…> > query = SELECT 'FILTER mailscan:[127.0.0.1]:10025' FROM mailbox WHERE > username='%s' active = 1 AND suspended = 0 LIMIT 1 > > > I could add no_address_mappings for smtpd and then enable address_mappings > for mailscan service, but then, if recipient won’t trigger mailscan service, > alias won’t be ever expanded. > > > > May 21 11:02:11 62B6AB81D2D: filter: RCPT from > mail.google.com[209.85.212.175]: <t...@domain.tld>: Recipient address > triggers FILTER mailscan:[127.0.0.1]:10025; from=<g...@gmail.com> > to=<t...@domain.tldt> proto=ESMTP helo=<mail.google.com> > May 21 11:02:12 mailscan/smtp[31794]: 62B6AB81D2D: to=<ali...@domain.tld>, > orig_to=<t...@domain.tld>, relay=127.0.0.1[127.0.0.1]:10025, status=sent (250 > MAILSCAN(): 2.0.0 Ok: queued as 4A6F4B81D0F) > May 21 11:02:12 mailscan/smtp[17210]: 62B6AB81D2D: to=<ali...@domain.tld>, > orig_to=<t...@domain.tld>, relay=127.0.0.1[127.0.0.1]:10025, status=sent (250 > MAILSCAN(): 2.0.0 Ok: queued as E29C6B81D26) >
