[ALUG] MX/Zone/DNS question

[MJ Ray]

cl at isbd.net wrote: [...]
> I have Postfix on my home system (for sending mail).  If I want it to
> receive mail as well what do I need to do to the zone file[s]?

Short answer: it depends how your zone and Postfix are configured.

> At BSNet (where isbd.net has its zone file) will the CNAME entry I
> already have mean that mail for xxx at home.isbd.net will get sent on or
> do the MX records for isbd.net catch home.isbd.net mail as well?

More likely the first than the second, but I seem to recall that some
buggy mailservers handled CNAME badly.

> If home.isbd.net mail *is* sent on to my home machine do I need to do
> anything to the zone file there for it to accept the mail or will
> having Postfix listening on port 25 be all that's needed?

Andrew Savory recently did something similar.  See
http://www.andrewsavory.com/blog/archives/001257.html
(but Googlemail really does not rock).

Hope that helps,
-- 
MJ Ray - see/vidu http://mjr.towers.org.uk/email.html
Somerset, England. Work/Laborejo: http://www.ttllp.co.uk/
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