Postfix advice requested

[Bret Busby]

On 03/02/2021, david <david at daku.org> wrote:
> Dear Gurus
>
> I'm having a problem configuring Postfix on Ubuntu server 20.04, to
> perform as follows:
>
> I want to accept mail for several domains, let's say:   d1.tld,
> d2.tld, with 'd1.tld' being 'mydomain'.
>
> Mail for some specific destinations are supposed to be delivered
> locally to designated accounts:
>   mail for a at d1.tld goes to local account 'd1_a'
>   mail for b at d1.tld goes to local account 'd1_b'
>   mail for anyone else at d1.tld goes to 'owner_d1'
>   mail for anyone at d2.tld goes to 'owner_d2'
>
>
> To accomplish this, I set values in /etc/postfix/main.cf:
>
> mydomain	= d1.tld
> mydestination	= localhost.$mydomain localhost $mydomain
> virtual_alias_domains = d2.tld
> virtual_alias_maps = hash:/etc/postfix/virtualusers
>
> The file /etc/aliases contains:
> root: owner_d1
>
> and the file /etc/postfix/virtualusers contains:
>
> a at d1.tld	d1_a
> b at d1.tld	d1_b
> @d1.tld	owner_d1
> @d2.tld	owner_d2
>
> All four linux accounts exist.
>
> And my problem is that all mail for anyone d1.tld and d2.tld gets
> delivered to owner_d1.
> Can anyone advise me where to look for a solution?
>
> David
>
>
>

As a suggestion, you might find it worthwhile, to subscribe, and post
Postfix queries, to the Postfix mailing list.

I think that list also has the developer subscribed and, answering
some queries, on that list.

It could also reveal unexpected information, including tweaks, that
you might not otherwise find.

-- 
Bret Busby
Armadale
West Australia
(UTC+0800)
..............