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List:       postfix-users
Subject:    Re: Postfix for three domains on one host
From:       "Bill Cole" <postfixlists-070913 () billmail ! scconsult ! com>
Date:       2019-08-16 4:35:19
Message-ID: E5D926DE-A952-4D1C-BDFF-9D7E29D6F859 () billmail ! scconsult ! com
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On 15 Aug 2019, at 22:20, Andrew Bernard wrote:

> Now am I further confused. What is $myorigin used for then?

It is used to qualify bare sender usernames for mail generated locally. 
The nuances of when that applies can be found in 'man 5 postconf' in the 
local_header_rewrite_clients and append_at_myorigin sections. It also is 
used in some map lookup protocols to detect when to look up bare 
username parts of qualified addresses.

--
Bill Cole
bill@scconsult.com or billcole@apache.org
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
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