From: Wietse Venema (wietseporcupine.org)
Date: Sun Nov 02 2003 - 19:56:08 CST

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J.D. Bronson:
> I am using the latest snapshot of postfix and quite pleased with everything
> so far...
>
> I was looking for a suggestion as to WHERE to place "reject_unverified_sender"
> within main.cf when one also uses RBL and RHSBL...
>
> Currently, I placed it AFTER the RBL checks....
>
> Any thoughts on this? - What are people using out there?

Later is better.

Address verification is relatively expensive. I suggest you place
it after the check_recipient_access restriction(*), which blocks mail
for a non-existent recipient.

        Wietse

(*) If you don't specify check_recipient_access, then Postfix
appends one to the end of smtpd_recipient_restrictions for you.

> Thanks :)
>
> Jeff
> Milwaukee
>
>
>

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