James Reynolds:
> My server's MX records points to some servers that do spam filtering
> then they send it to my server. However, some servers ignore the
> MX record and are connecting directly to my server (using the IP
> returned by the DNS A record I presume). I am trying to set up
> an smtpd restrictions for all incoming mail except when it comes
> from the servers I know about. I'm struggling to figure out how
> I'd do this.
>
> I think the solution is to use check_helo_access by changing my
> main.cf like so:
>
> smtpd_recipient_restrictions = ... reject_unauth_destination
> check_helo_access hash:/etc/postfix/helo_access
Use "check_client_access cidr:/etc/postfix/client_access" with
a table that "permit"s the IP addresses that are allowed to connect.
Wietse
