On Thu, 1 Sep 2005, John Kielkopf wrote:

>
> I think most web browsers will cycle through A records until it finds
> one that works.  I see no reason why an MTA shouldn't.
>
> RFC 2821 Section 5 says:
> "When the lookup succeeds, the mapping can result in a list of
> alternative delivery addresses rather than a single address, because of
> multiple MX records, multihoming, or both.  To provide reliable mail
> transmission, the SMTP client *MUST* be able to try (and retry) each of
> the relevant addresses in this list in order, until a delivery attempt
> succeeds."
>
> To me, this implies that Xmail should be trying the alternate A records.
>
> I do know that if any MX records exist for a domain, you should never
> fall back to the A record for that domain -- even if you're unable to
> connect to them.  Does Xmail obey this?

What do you think?


- Davide

-
To unsubscribe from this list: send the line "unsubscribe xmail" in
the body of a message to [EMAIL PROTECTED]
For general help: send the line "help" in the body of a message to
[EMAIL PROTECTED]

Reply via email to