thanks Noel I don't like this option. too many risk.
Best Regards On Mon, Apr 27, 2009 at 5:49 PM, Noel Jones <njo...@megan.vbhcs.org> wrote: > deconya wrote: > >> Hi list >> >> Im looking diferent options to configure postfix main.cf <http://main.cf> >> and I see the reject_unknown_client. I don't know if it's recomended because >> my postfix server is used for external clients and more uses connections >> with dynamic IP. If I put this, where goes, in smtp_recipient_restrictions >> or smtp_client_restrictions? >> >> Thanks >> > > {press the [plain text] button when posting from gmail} > > reject_unknown_client (with postfix < 2.3, named > reject_unknown_client_hostname) is known to reject legit mail. Use with > caution. You can try it out with: > warn_if_reject reject_unknown_client_hostname > for a period of time to log clients what would be rejected, without > actually rejecting them. > http://www.postfix.org/postconf.5.html#reject_unknown_client_hostname > http://www.postfix.org/postconf.5.html#warn_if_reject > > It can be used under any of the smtpd_*_restrictions. The "best" place > depends on your other restrictions and what you intend to accomplish. A > "typical" usage might look something like: > smtpd_recipient_restrictions = > permit_mynetworks > permit_sasl_authenticated > reject_unauth_destination > reject_unknown_client_hostname > ... other UCE rules ... > > > -- Noel Jones >
