It looks like you have 6 different MX records. Verify that each one can receive email for that domain. You may have one that's messed up and is rejecting. Remember, just because one has the lowest cost, doesn't mean its always going to receive the mail.
-----Original Message----- From: Alex Alborzfard [mailto:[EMAIL PROTECTED] Sent: Thursday, November 06, 2003 9:26 AM To: Exchange Discussions Subject: Sporadic Email Problem >From time to time users cannot receive emails from outside. The messages bounce with the SMTP 550 relaying error message. The server is up and all the services are running fine. Below is a copy of one message sent from Yahoo: +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Message/delivery-status Reporting-MTA: dns;identixps08.identix.com Received-From-MTA: dns;web20303.mail.yahoo.com Arrival-Date: Thu, 6 Nov 2003 11:28:29 -0500 Final-Recipient: rfc822;[EMAIL PROTECTED] Action: failed Status: 5.5.0 Diagnostic-Code: smtp;550 <[EMAIL PROTECTED]>... Relaying denied X-Display-Name: John Smith +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ EX 5.5, SP4 on NT 4 SP6a There is not much free space to turn SMTP logging on. What could be the possible culprits? Thanks --Alex _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&lang =english To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&lang=english To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]
