Quote:
Originally Posted by Pem
Well there you go - NTL *are* improving the e-mail system - you now get a better class of error message.  ... 
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Except that it is wrong. It lies to you.
The server
has actually accepted the message, and will try to deliver it while telling the client that it hasn't. Of course, the client will try again later, which will result in the message being delivered multiple times.
This is a violation of RFC 2821, and should be beneath even NTL.