Yes, I do have two addresses in the SMTP DNS address field. (separated by a space) I tried your suggestion of using only 1 address, but it did not make any difference. Still get the same sequence of entries in the log. -- Chris McFarling
> Chris, > > This sounds like you have multiple addresses in the DNS address field in > your IMail SMTP setup. Is this so? IF yes, try removing one of them then > stop/restart the SMTP service. I have seen occasions where multiple > addresses can mess up the parsing of the field for lookups. Let me now what > happens when you do this. the errors you are seeing typically mean a faulty > DNS response for some reason. The giveaway id the stack connect fail at the > end of the sequence. For this to happen IMail would need to get to the > process of GetHostByName which means it didn't think it got a valid DNS > reply so is looking for the example.com from the stack. > > Eric S > ----- Original Message ----- > From: "Chris McFarling" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Monday, July 29, 2002 7:10 PM > Subject: Re: [IMail Forum] IMail not using MX record preference correctly? > > > > I am currently experiencing this problem as I write this. Any messages > > addressed to [EMAIL PROTECTED] are not being delivered. > > > > The facts: > > -my IMail server uses the following DNS servers for resolution: > > -Primary: 63.85.xx.135 > > -Secondary: 63.85.xx.136 (which is the IMail server itself) > > **these setting are applied in both the W2K system settings and the > > IMail SMTP settings > > -Primary DNS server is functioning properly (I control this server too) > > -If I look at the DNS cache on primary server for example.com I see: > > MX [2] email.example.com > > MX [40] smtpca.example.com > > MX [20] smtpjp.example.com > > MX [30] smtpuk.example.com > > A email 63.199.xx.15 > > A smtpca 209.253.xx.163 > > A smtpjp 91.211.xx.83 > > A smtpuk 209.118.xx.163 > > A example.com 93.241.xx.210 > > -If I try to telnet, from the IMail server, to port 25 of each of these IP > > addresses, the only one that I can connect to is email (63.199.xx.15) The > > others apparently are down. > > -When a message gets sent to [EMAIL PROTECTED], the log looks like > this: > > --snip-- > > 07:29 10:22 SMTP-(0000065C) processing > C:\IMAIL\spool\Q79ea077900ea84dc.SMD > > 07:29 10:22 SMTP-(0000065C) Trying example.com (0) > > 07:29 10:23 SMTP-(0000065C) MX connect fail "209.118.xx.163" > > 07:29 10:23 SMTP-(0000065C) MX connect fail "209.253.xx.163" > > 07:29 10:23 SMTP-(0000065C) Stack connect fail "93.241.xx.210" > > --snip-- > > > > My Observations: > > -IMail apparently isn't trying to connect to the lowest priority MX record > > which, in this case, is the only server of the 4 that is available. > > -It tries, and fails, to connect to MX priority 30 before MX priority 40 > > which technically would be the correct order. However there are no log > > entires for MX priority 2 or 20. > > -This same thing started happening last week with this same domain. I > > cleared all example.com entries from the primary server's cache and that > > seemed to temporarily fix the problem. This could be something that > develops > > over time or after a certain time?? > > -Is it possible that MX records with a single digit priority number are > > being treated differently by IMail? Just a thought. > > > > > > > > -- > > Chris McFarling > > > > ----- Original Message ----- > > From: "Robert Stull" <[EMAIL PROTECTED]> > > To: <[EMAIL PROTECTED]> > > Sent: Sunday, July 28, 2002 8:02 AM > > Subject: Re: Re[2]: [IMail Forum] IMail not using MX record preference > > correctly? > > > > > > Just for the record. The MX priority problem that was fixed: > > The lowest number MX record was always checked first. (as it should be) > > The rest were stuck in the list as they were returned from the server. > Bad, > > but not fatal. (the problem) > > Now the rest are sorted as they are put in the list. (the fix) > > > > If there are other problems now, it would be nice to have them reported to > > support. BTW: Just like Sandy and Scott, they'll need logs too. > > > > Bob > > -- > > Robert S. Stull > > Product Management > > Ipswitch, Inc. > > Please visit http://www.ipswitch.com/support/mailing-lists.html to be removed from this list. An Archive of this list is available at: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Please visit the Knowledge Base for answers to frequently asked questions: http://www.ipswitch.com/support/IMail/
