On May 20, 2009, at 11:33 PM, "Tech W." <tech...@yahoo.com.cn> wrote:
What will be happened if a MX is an numeric IP?
From a DNS perspective, You may or may not get an error in reload. I
have seen both cases where I do a lookup and get an ip.
I have seen cases where the DNS server will complain.
From a MTA's (receiving email server) perspective, a good deal of
email will be rejected. I believe Exim out of the box will reject the
mail.
I reject by my choice in my configuration.
Further, the MX must also point specifically to an A record.
I hope that helps.
--
Scott
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