I found one of the backup MX's that worked and put it in my host file...all done.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Len Conrad Sent: Wednesday, 24 September, 2003 23:07 To: [EMAIL PROTECTED] Subject: Re: [IMail Forum] Errors 450 / 451 >As of late There have been many instances of the following errors: > >451 Domain of sender address [EMAIL PROTECTED] does not resolve // the >actual domain has been changed >450 Unknown host/domain problemdomain 4xx means, probably, the destination MX had a DNS timeout when querying for problem domain. It happens. be patient. you retry and it DNS answers for them next time. And bet your company on reliable, timely mail delivery. :)) Len _____________________________________________________________________ http://MenAndMice.com/DNS-training: San Jose; Wash DC; Dallas; Atlanta IMGate.MEIway.com: anti-spam gateway, effective on 1000's of sites, free To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
