Guys, I'm trying to fully understand what happens with MX preferences and SMTP relays. Let me draw a picture. Lets says a company has 2 SMTP inbound connections for domain name example.com and the MX records show that example.com has 4 servers that will accept the mail. i.e. mailgate1.example.com pref = 10, mailgate2.example.com with pref = 20, fallback1.isp.com pref = 50 and fallback2.isp.com pref = 50. If mailgate1 is always available, will it be the only connector that takes the mail unless it has reached the maximum number of sessions ? If mailgate1 is down, how quickly does the sending SMTP connector give up and try the next MX record pref, i.e immediately or after a certain retry parameter ? TIA Adam Romain ********************************************************************** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager.
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