(no subject)
Auteria Wally Winzer Jr.
wally.winzer at champusa.com
Tue Feb 6 23:30:50 UTC 2001
Besides, no MTA is running on the domain in question anyway.
- Wally Winzer Jr.
Don Stokes wrote:
> In article <95psb1$k4s at pub3.rc.vix.com>, G. E. Terry <gterry at twave.net> wrote:
> >As far as I am aware, you need an mx record to route mail to.
>
> Your awareness is wrong. From RFC 974, "Mail Routing and the Domain
> System", page 3:
>
> Interpreting the List of MX RRs
> [...]
> It is possible that the list of MXs in the response to the query will
> be empty. This is a special case. If the list is empty, mailers
> should treat it as if it contained one RR, an MX RR with a preference
> value of 0, and a host name of REMOTE. (I.e., REMOTE is its only
> MX). In addition, the mailer should do no further processing on the
> list, but should attempt to deliver the message to REMOTE. The idea
> here is that if a domain fails to advertise any information about a
> particular name we will give it the benefit of the doubt and attempt
> delivery.
>
> An A record is sufficient to allow delivery of mail. If it isn't, your
> mailer is broken.
>
> -- don
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