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In message <[EMAIL PROTECTED]>, Martin A. Brooks
<[EMAIL PROTECTED]> writes

>Marc Perkel wrote:
>> MTAs that play by the rules will only delay for a fraction of a second the 
>first time. In either 
>> case no email is lost.
>
>No, MTAs that "play by the rules" will delay for as long as "their 
>rules" suggest, long or short, and then retry on the MX next suggested 
>by "their rules".

... and as pointed out, more than once before, you are unable to
determine what network outages or congestion that they may be
encountering.

So even when you fully understand "their rules" you cannot assume that a
connection on the "wrong" MX is wickedness, because you may simply be
unaware of their earlier failures to connect on the "right" MX.

You can of course balance your penalty against the likelihood of error,
"your server your rules", but of course it is also "your delay, our
queues" :(

- -- 
richard                                              Richard Clayton

They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety.         Benjamin Franklin

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