Re: [cobalt-users] MX record question / Raq4i

[Jeff Lasman <jblists@xxxxxxxxxxxxx>]

David Thurman wrote:

> Color me red:)
> So if I have domain.com, mail.domain.com and www.domain.com, I should create
> a MX with the same value for all.

Only if people are to receive mail at all.  We only expect people to
receive mail at name@xxxxxxxxxx, so that's all we have MX records for;
the MX record points to mail.domain.com, and we have an A record for
mail.domain.com pointing to our email server.

By rights we should use a CNAME record pointing to our email server,
since it _could_ change, but unfortunately, some systems won't resolve
an MX record pointing to a CNAME record.

In fact, for some of our domains, we don't even have a mailserver on the
same machine that runs www.domain.com, so if someone sends email to
user@xxxxxxxxxxxxxx it'll bounce.

> Maybe this would answer why sometimes mail
> is lost.

Maybe.

Jeff
-- 
Jeff Lasman <jblists@xxxxxxxxxxxxx>
Linux and Cobalt/Sun/RaQ Consulting
nobaloney.net
P. O. Box 52672, Riverside, CA  92517
voice: (909) 778-9980  *  fax: (702) 548-9484