Conditional SASL authentication

[Adrian Minta]

On 24.02.2015 20:40, Reindl Harald wrote:
>
>
> Am 24.02.2015 um 19:37 schrieb Adrian Minta:
>> On 24.02.2015 20:29, Reindl Harald wrote:
>>>
>>> don't allow senders which you would not receive mail for - period
>>>
>> Seems interesting, at least until the bots adapt to this.
>> Any idea how could this be implemented?
>
> with the configuration i have posted in that thread?
>
> for me that was a prerequisite before even consider put my first 
> mailserver setup on a public IP and that's enforced even on any 
> webserver here by shared database tables
>

Ups ... sorry, reject_authenticated_sender_login_mismatch from 
smtpd_sender_restrictions ofc.
I was thinking about not accepting mails from users/ip witch don't do a 
least one pop3 or imap read before sending.

-- 
Best regards,
Adrian Minta