[RndTbl] Can't send to gmail. 451 4.5.0 SMTP protocol violation see RFC 2821

Gilbert E. Detillieux gedetil at cs.umanitoba.ca
Wed Nov 12 17:16:26 CST 2008


On 2008-11-12 16:55, John Lange wrote:
> Just in case someone stumbles on this thread; I never did do anything to
> solve this problem but it just seemed to go away on it's own.
> 
> I suspect this is a form of Google greylisting. Once google gets to know
> you a bit better it stops delaying your mail.
> 
...
 > 451 4.5.0 SMTP protocol violation see RFC 2821

Usually, an error message like that would suggest something is messed up 
in the MTA configuration at one end or the other.  Did you bother to 
check this site for likely possibilities?...

http://www.rfc-ignorant.org/rfcs/rfc2821.php

-- 
Gilbert E. Detillieux		E-mail:	<gedetil at cs.umanitoba.ca>
Dept. of Computer Science	Web:	http://www.cs.umanitoba.ca/~gedetil/
University of Manitoba		Phone:	(204)474-8161
Winnipeg MB CANADA  R3T 2N2	Fax:	(204)474-7609


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