----- Message from Noel Jones <njo...@megan.vbhcs.org> ---------
    Date: Tue, 23 Mar 2021 12:46:29 -0500
    From: Noel Jones <njo...@megan.vbhcs.org>
Reply-To: njo...@megan.vbhcs.org
 Subject: Re: Setting up virtual alias domains and maps - failing to deliver
      To: postfix-users@postfix.org

On 3/23/2021 6:31 AM, Simon Wilson wrote:


Changes:

mydestination - removed, left as default

Don't do that. Set it to something specific maybe "localhost.local"

virtual_alias_domains = simonandkate.lan, simonandkate.net, etc...
virtual_alias_maps = hash:/etc/postfix/virtual (and postmapped)
Removed all virtual alias domain entries from aliases and run newaliases

The domain alias appears valid:
[root@emp87 postfix]# postmap -q ka...@simonandkate.net hash:/etc/postfix/virtual
katie

virtual aliases should always use a fully qualified email address, such as katie@localhost.local

  -- Noel Jones

Combining postconf -d/-n, naming is:

  mydestination = $myhostname, localhost.$mydomain, localhost  (i.e. default)
myhostname = mail.simonandkate.net (specified in main.cf)
  mydomain = simonandkate.lan                                  (i.e. default)
  myorigin = $myhostname                                       (i.e default)

...that pans out to:

  mydestination = mail.simonandkate.net, localhost.simonandkate.lan, localhost
  myhostname = mail.simonandkate.net
  mydomain = simonandkate.lan
  myorigin = mail.simonandkate.net

On your second point, 'virtual' is written like this:

   #                simonandkate.net
   si...@simonandkate.net      simon

...which I will correct, note questions later.

I think the combination of naming and 'not-FQ aliases' is contributing to the following in pflogsumm reporting (extract for clarity):

Recipients by message count
---------------------------
    519   si...@simonandkate.net
     40   si...@mail.simonandkate.net
     98   howie...@howiesue.net
      2   howie...@mail.simonandkate.net

Mail is getting delivered but with address variation to the final destination. Note also the example at the bottom of this email, where d...@domwilson.net is getting changed to d...@mail.simonandkate.net

Questions:
1. in virtual, do alias addresses always map out to $mydestination-resolvable addresses? I.e. does it need to be si...@simonandkate.net --> simon@something-in-$mydestination? 2. Is there a way to keep the address as the original recipient (as it was when the domains were under mydestination) for things like pflogsumm reporting? 3. Are there better options for my mydestination, myhostname, mydomain, myorigin which will assist?

Thanks so much for the help Noel, Viktor, Matus.
Simon


Example:

Mar 24 09:29:49 emp87 postfix/lmtp[413570]: BDED91819ED: to=<d...@mail.simonandkate.net>, orig_to=<d...@domwilson.net>, relay=127.0.0.1[127.0.0.1]:10024, delay=5.4, delays=1.2/0.01/0/4.2, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as BF46F1819EE) Mar 24 09:29:50 emp87 postfix/lmtp[413577]: BF46F1819EE: to=<d...@mail.simonandkate.net>, relay=mail.simonandkate.net[/run/cyrus/socket/lmtp], delay=0.28, delays=0.01/0/0.01/0.26, dsn=2.1.5, status=sent (250 2.1.5 Ok SESSIONID=<cyrus-413438-1616542189-2-830271575779132882>)

--
Simon Wilson
M: 0400 12 11 16

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