On Tue, Feb 19, 2002 at 11:26:39AM -0000, Edward Wildgoose wrote:
> In fact I think if you send me a test message at testmailasail.com, you
> will see that the message leaves your email system addressed to
> testwildgooses.com (with the header still saying testmailasail.com)
>

As others have pointed out, if a DNS node has a CNAME record, it cannot
have any other record. Also, historically, Sendmail rewrites E-mail bound
for CNAME's to the destination of the CNAME, and other MTAs do this to
produce predictable behaviour.

Your best bet in this situation is to create an MX for mailasail.com
pointed to wildgooses.com, and a CNAME for www.mailasail.com pointed to
wildgooses.com (since I assume http is the reason you want the CNAME).

Yes, this means that going to http://mailasail.com/ won't work, but E-mail
will at least work correctly and http://www.mailasail.com/ will work.
 
> > -----Original Message-----
> > From: Edward Wildgoose
> > Sent: 19 February 2002 11:25
> > To: Will Yardley; postfix-userspostfix.org
> > Subject: RE: Slightly OT - DNS settings
> >
> >
> > wildgooses.com is my dynamic domain
> > mailasail.com is my domain that I am trying to receive mail for.
> >

-- 
Alan
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