On Friday 10 October 2008 14:56:42 Carlos Williams wrote: > I am seeing in my logs several of the following: > > -Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient------- > 9D3DB1FA461C 1046060 Fri Oct 10 09:37:27 [EMAIL PROTECTED] > (host mx2.east.saic.com[198.151.13.25] said: 452 Deferred - [X.X.X.X] > (in reply to RCPT TO command)) > [EMAIL PROTECTED] > > Above the [X.X.X.X] is my public IP address for my Postfix server. My > question is this being caused due to a poor Postfix configuration in > main.cf or is this an issue based on how the client connecting to my > Postfix server is composing the message headers? > > I am assuming that the machine / client initiating the message is > improperly using the mail servers IP and this is what the receiving > host is rejecting, no?
Probably greylisting. The messaage will probably get through on the next attempt. Mark. -- Mark Watts BSc RHCE MBCS Senior Systems Engineer QinetiQ Applied Technologies GPG Key: http://www.linux-corner.info/mwatts.gpg
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