deconya schrieb: > 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 > <mailto:njo...@megan.vbhcs.org>> wrote: > > deconya wrote: > > Hi list > > Im looking diferent options to configure postfix main.cf > <http://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 > > Hi, using reject_unknown_reverse_client_hostname is mostly save to use these days, as many big mail providers use it too i.e gmx.de
-- Best Regards MfG Robert Schetterer Germany/Munich/Bavaria
