On Feb 13, 2008 12:15 AM, Sam Varshavchik <[EMAIL PROTECTED]> wrote: > Lisa Muir writes: > > > On Aug 15, 2007 10:17 PM, Sam Varshavchik <[EMAIL PROTECTED]> wrote: > >> But they may have different iptables setups. There are several variables to > >> check out. A delay of exactly 30 seconds is the ident lookup expiring. > > > > Got a new one today after all this time, delay of exactly 90 seconds > > on SMTP connect to the message going. > > > > Is this DNS again (at first glance looks perfect) or does 90 seconds > > delay indicate something specific? > > Must be DNS. The ident timeout is 30 seconds, sharp. This could be anything: > forward or reverse DNS lookup on the IP address, or blacklist lookups, if > you are using blacklists.
Spot on.... turned out to be an upstream DNS server that we were chaining to which suddently wasn't able to resolve ip's for blacklists we were consulting. Zapped the dns chain and now querying directly, and voilla, normal service resumes! Thanks, Lisa. ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ courier-users mailing list [email protected] Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users
