Multiple CNAMEs - howto?
barmar at alum.mit.edu
Sat Oct 28 14:29:06 UTC 2006
In article <ehvh6t$2bh2$1 at sf1.isc.org>,
"Andy Shellam (Mailing Lists)" <andy.shellam-lists at mailnetwork.co.uk>
> Incoming messages is not a problem - they *should* come to uk1
> primarily, and only to uk2 or 3 if the previous are unavailable.
> For that I have the setup:
> $ORIGIN mailnetwork.co.uk.
> IN MX 10 uk1
> IN MX 20 uk2
> IN MX 30 uk3
> It's for outgoing messages so users can either connect to
> exchange.mailnetwork.co.uk (which will in effect be a round-robin for
> all 3 servers), or directly to uk1, 2 or 3.
> I believe mail clients use the A records for SMTP?
True. You'll have to do multiple A records, multiple CNAMEs are not
allowed by BIND.
Barry Margolin, barmar at alum.mit.edu
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