On 11 Sep 2017, at 17:38, Michael Peddemors wrote:
Do you really want them to retry in this situation?
This is a very good question. I think the answer depends on who will I
be showing the error to. If I'm on my laptop happily sending emails out
it really doesn't matter much I think, as the MUA will probably display
a dialog to the user and leave the message in some temporary folder.
Compromised users/rate limiter users, you probably aren't sure which
but if you do not want them to send any more while they are rate
limited, you probably should set a permanent error.
Yes, this makes all the sense in the world.
Otherwise you might find a back load of messages in the person's
outgoing server might trigger another rate limiting event right away.
Also, you probably want the sender to know right away, correct?
Indeed, I would like the sender to know right away. In my use case I
intend to place this on a MSA, so I would expect to see few if any mail
servers -- but in any event it's good to consider this case.
Best regards
-lem
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