forwarded emails

[Kevin Miller]

Thanks for the clarification - that makes sense.

...Kevin
--
Kevin Miller
Network/email Administrator, CBJ MIS Dept.
155 South Seward Street
Juneau, Alaska 99801
Phone: (907) 586-0242, Fax: (907) 586-4500 Registered Linux User No: 307357


-----Original Message-----
From: MailScanner [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Mark Sapiro
Sent: Wednesday, October 21, 2015 3:26 PM
To: mailscanner at lists.mailscanner.info
Subject: Re: forwarded emails

On 10/21/2015 03:58 PM, Kevin Miller wrote:
> I figured that the forwarding would happen before MailScanner gets involved.  I.e., in their virtuserfile or whatever passes for that if not using sendmail.


I'm not sure about sendmail or other non-Postfix MTAs which is why I said "I don't think so.".

However, for Postfix, MailScanner processes the message before any virtual mappings, aliases, .forwards, etc. are applied. With Postfix, at least with the recommended configuration, the incoming message is immediately placed in the HOLD queue. It is then processed by MailScanner and if it passes MailScanner, it is requeued in Postfix's INCOMING queue and only then is vitrual mapping, aliasing, etc applied.

-- 
Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan


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