Josep M.:
> Time ago I was using this for see what addresses had "verify_sender"
> feature, is just for my own domain.
>
> egrep '(Address verification in progress)' /var/log/maillog
Wietse:
> This REJECT message is logged only if it takes too long to find out
> the address status.
>
> You will have more consistent results with
>
> egrep 'status=(un)?deliverable' /var/log/maillog
Josep M.:
> Thanks, but the purpose of look what addresses had verify_sender was for
> add some of these addresses to my whitelists, this is what I was looking
> to do.
Your egrep pattern finds only the addresses that need more than
6 seconds before the result is known.
My egrep pattern does not have this problem.
Wietse