On 11/13/25 10:25, dap1--- via Mailman-users wrote:
I am not understanding the documentation. I already have this in my main.cf:

transport_maps = hash:/opt/mailman/var/data/postfix_lmtp
local_recipient_maps = hash:/opt/mailman/var/data/postfix_lmtp
relay_domains = hash:/opt/mailman/var/data/postfix_domains

What is not explained is where/how to add the alias_domain parameter. Does it 
go in /opt/mailman/var/data/postfix_domains? Is it added as a new domain or as 
an append to the existing domain line?

The doc says in part "In order to enable this configuration, Mailman domains have an alias_domain attribute." In that sentence, `domains` is a link. did you follow it?

In any case, the alias_domain is added to the existing ddddddddd.net entry at https://localhost/mailman3/domains/ or if you can't do that it is added to the domain table in the mailman database, e.g.

UPDATE domain SET alias_domain = 'localhost' WHERE mail_host = 'ddddddddd.net';

After doing that, run `mailman aliases` to update the postfix files in /opt/mailman/mm/var/data including generating a new postfix_vmap file

As far as Postfix is concerned, I don't know what's unclear about https://docs.mailman3.org/projects/mailman/en/latest/src/mailman/docs/mta.html#unusual-postfix-configuration but what you need to do is leave the current transport_maps and relay_domains as is, but add

virtual_alias_maps = hash:/opt/mailman/var/data/postfix_vmap

and as long as your list domain is only ddddddddd.net you can remove the local_recipient_maps setting, but see the note at the end of the https://docs.mailman3.org/projects/mailman/en/latest/src/mailman/docs/mta.html#unusual-postfix-configuration section.

--
Mark Sapiro <[email protected]>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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