DNS problems could be related to your local DNS resolver having trouble reverse-resolving incoming SMTP client relay connection, finding MX records of your destination host, or remote hosts having trouble reversing the source of your outgoing messages.
Try testmxlookup(8) on your Courier system: $ time testmxlookup expedient.net Domain expedient.net: Relay: mx.expedient.net, Priority: 0, Address: 209.166.161.227 real 0m0.016s user 0m0.004s sys 0m0.001s Also, any warinings / errors in your maillog (look for information about delayed deliveries/warnings)? ~BAS On Thu, 25 Sep 2008, Glenn Martin wrote: > I was wondering if im missing something with SMTP. There appears to be a > delay when sending mail. I bet its trying to resolve the incoming IP > because if you send 2 emails at once or within a certain time frame > theres no delay, any idea what this is or how to delete it? > > Thanks > Glenn R. Martin > > ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ courier-users mailing list [email protected] Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users
