>Are the alternate MXes all the same preference? I think if all MXes are >the same preference then any SMTP server will not try alternate, it is >more a random round-robin thing.
no, the sending MTA will try the equal preference MX's in physical, sequential order as they arrived in the DNS packet. But it's really up to the MTA and we know there is a lot of broke software around. Len ____________________________________________________________________ www.menandmice.com/DNS-training : DNS Training BIND8NT.MEIway.com: Secure config ; DNS and mail interactions IMGate.MEIway.com : Free, proven config for anti-mail-abuse gateways 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/
