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Here is a very simple question that I wasn't able to find an easy answer for being entirely new to postfix:

I want all mail coming in from SMTP (or through local delivery for that matter) to drop in a single (special purpose) user's Maildir, for later pick-up by a web app through IMAP (Dovecot).

I already have it configured to find the destination through

local_recipient_maps = unix:passwd.byname

and created a user for that single purpose, but I'd rather have Postfix not even try to look up the user named in the incoming mail, just take the one user I specify in the config.

What's the simplest and most secure way to do this?

Addendum: this shows how to use virtual_alias_map, but I don't want virtual domains, I want all emails coming in, regardless of the (multiple) domains I've set up to go into the catch-all.

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try something like "local_recipient_maps = static:yourCatchAll" –  Bill Weiss Oct 20 '09 at 20:18

2 Answers 2

up vote 1 down vote accepted

Check the very bottom of this page for information on the luser_relay variable:

http://www.postfix.org/rewrite.html

Perhaps that will get you the functionality you desire.

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Thanks, that did it, along with Bill Weiss's "static" local_recipient_map –  niXar Oct 21 '09 at 10:15

take a look at the always_bcc option. All Mail which gets in or out will be delivered to defined mailbox/user/whatever.

If you only want incoming Mails use

recipient_bcc_maps = hash:/etc/postfix/recipient_bcc

or for outgoing mail

sender_bcc_maps =  hash:/etc/postfix/sender_bcc

In the maps you can define * to match all domains, or filter domain specific with

(atsign)foobar.com mailbox

If you have your mapfile, build it with postmap hash:/etc/postfix/yourhashmap

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