Re: [exim] Retry on 550 errors

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Author: Martin A. Brooks
Date:  
To: Chris Lightfoot
CC: exim-users, Matthias Waffenschmidt
Subject: Re: [exim] Retry on 550 errors
On Wed, 2006-12-06 at 13:22 +0000, Chris Lightfoot wrote:

> In the real world one frequently encounters sites which
> issue permanent failures for over-quota conditions *even
> though* retries shortly afterwards would succeed.


Tough luck. If the recieving MTA issues a 5xx then you bounce the
message back to the sender and it's the sender's job to decide whether
to resend or not and _not_ some intermediate MTA that thinks it knows
the destination site better than the administrators do.

It's akin to me sending a double glazing salesman round to your house
under the instructions that, if you refuse to purchase double glazing
now, then he should assume that you _might_ do so in a couple of hours
time, so he should call back then _regardless_ of _your_ opinion on the
matter.


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