Re: [Exim] when to reject (was: Reaction to rude 554 greetin…

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Autor: Exim Users Mailing List
Data:  
A: Matthew Byng-Maddick
CC: exim-users
Assumptes vells: Re: [Exim] Reaction to rude 554 greeting
Assumpte: Re: [Exim] when to reject (was: Reaction to rude 554 greeting)
[ On Monday, March 17, 2003 at 22:13:06 (+0000), Matthew Byng-Maddick wrote: ]
> Subject: Re: [Exim] Reaction to rude 554 greeting
>
> If you think it's a sane thing to do, think again. It is stupid to do a
> rejection before RCPT under any circumstances.


Well, no, not exactly -- it's much better to return responses indicating
errors related to the client-SMTP at HELO time, and to return responses
indicating errors related to the envelop sender address at MAIL time.

While there are some broken server implementations which don't react as
well to error responses at HELO and MAIL times, but they're in the
minority (in terms of numbers of implementations, not instances) and
they will eventually get fixed.

--
                                Greg A. Woods


+1 416 218-0098;            <g.a.woods@???>;           <woods@???>
Planix, Inc. <woods@???>; VE3TCP; Secrets of the Weird <woods@???>