Dnia 26.01.2025 o godz. 16:28:14 Gerben Wierda via Postfix-users pisze:
>
> So, what happens is: the spammer delivers to the secondary, the secondary
> delivers to the primary, the primary rejects. The secondary then sends an
> undeliverable message to the sender.
Then discard messages that are c
Wietse:
> I understand that you have a recipient validation policy that you
> want to enforce on a primary and secondary MX (the seconary MX
> forwards to the primary and you want to prevent backscatter).
Gerben Wierda:
> No. I have no control over the secondary MX, it is a SMTP-backup
> service
> On 26 Jan 2025, at 14:33, Wietse Venema via Postfix-users
> wrote:
>
> Gerben Wierda via Postfix-users:
>>
>>> On 23 Jan 2025, at 17:55, Wietse Venema via Postfix-users
>>> wrote:
>>>
>>> Gerben Wierda via Postfix-users:
I was wondering, suppose I have a user like this:
f
Gerben Wierda via Postfix-users:
>
> > On 23 Jan 2025, at 17:55, Wietse Venema via Postfix-users
> > wrote:
> >
> > Gerben Wierda via Postfix-users:
> >> I was wondering, suppose I have a user like this:
> >>
> >> f...@bar.com is the account name
> >> foo.lastn...@bar.com is the incoming alias
> On 23 Jan 2025, at 17:55, Wietse Venema via Postfix-users
> wrote:
>
> Gerben Wierda via Postfix-users:
>> I was wondering, suppose I have a user like this:
>>
>> f...@bar.com is the account name
>> foo.lastn...@bar.com is the incoming alias and the outgoing canonical
>>
>> Could I force in
