Re: CNAME records (was: Re: dynamic DNS within a non-dynamic domain)
On 9 Mar 1998, Miquel van Smoorenburg wrote:
> Note that AFAIK all SMTP mailers (well, sendmail at least) will rewrite the
> addresses in the mail headers. That includes rewriting a CNAME pointer to
> the canonical name it points to.
>
> So even if you send out mail with the CNAME in the From: header field,
> the recipient mailer will rewrite it.. no way around it.
>
> The correct way to solve this is to not use CNAMEs but to just set
> up an extra A + MX record. Or perhaps just an MX record if all you're
> using it for is mail.
Sure, but I don't control the DNS around here. Though I could ask, of
course. But I doubt I will get any results.
Remco
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