On 08/27/03 at 15:33 -0400, chris opined:
So to set it up, the first step is to assign the MX records. You would set your primary server with a lower value than your secondary. So the MX record should be something like this
primary.domain.com MX 10 ###.###.###.### secondary.domain.com MX 30 ###.###.###.###
Not quite. More like:
domain.com. MX 10 primary.domain.com. domain.com. MX 30 secondary.domain.com.
Where 'primary.domain.com.' and 'secondary.domain.com.' are the host names of your main and back-up mail servers, respectively, and 'domain.com' is a domain for which they accept mail. The names 'primary.domain.com.' and 'secondary.domain.com.' should have corresponding A records (or CNAMES, but that's another discussion...).
There is no 'or CNAMEs' about it. MX records that point to names which have CNAME records will not work with a very large piece (~20% would be my guess..) of the net. Since a name MUST NOT have both an A record and a CNAME, you should make sure that whatever name you point an MX at has an A record and NO CNAME record.
--
Bill Cole
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