On Monday, December 1, 2003, 03:51:33, Aaron Wookey wrote:
> I have a problem, i try to send email to a user @ a domain and get it
> rejected as undeliverable. So i dig there zone, telnet to there lowest 
> value (primary) MX (MX 0) and get this
>
> 421 SMTP service not available, closing transmission channel
>
> So i telnet to there secondary (MX 10) and i can connect send mail etc.
>
> My question is why doesnt Imail reconise that mail cant send to MX 0 and 
> send it off the the next mx instead, I though that was the point.

MTA's try a different MX when they can't 'connect' to a server, *not*
when they connect and can't send.

A 4xx response means not right now but try again later.

-- 
[EMAIL PROTECTED]    *WARNING*
Rod Dorman                 Do not stare into laser with remaining eye.


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