[KLUG Members] SMTP 452 deferred?

[Adam Tauno Williams]

> Anyone know anything about a 452?  I get the impression from my
> google'ing that their SMTP server is overloaded.  Is that correct?

Yep.

> Some of the messages in my log also seem to support the overload theory:
>  stat=Deferred: 452 #4.3.1 queue full - on relay of: MAIL From:
>  stat=Deferred: 452 #4.3.1 out of RAM - on relay of: MAIL From:

Yikes!

> I'm also getting a lot of 451 deferred errors.
> A whois lookup shows their mail is being hosted by bellnet.ca 
> "Bell Canada the largest Canadian telecommunications operating
> company ..."
> The good news (for me) is the problem appears to be on their end and not
> mine.  But now I'm being ask to lend them some advice on how to fix the
> problem at their end.  Anything useful I can tell them, other than "get
> someone else to host your email"?  (I'm talking to the small end-user
> company, not Bell Canada! :)

If it is not their server I can't imagine what they can do other than
complain.  But this probably happens because the server isn't being
maintained or is getting pounded with (SPAM) connections.

Have you tried just telneting to the IP and doing a HELO in order to see
what SMTP server it is?
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