Stop incoming mail if message queue exceeds set value

[Eduardo Casarero]

2009/5/5 Alex Neuman <alex at rtpty.com>:
>
>>
>>
>> milter-limit? http://www.milter.info/sendmail/milter-limit/ this
>> milter responses with a 451 xxxx when the amount of N emails in M time
>> is reached, example when you have recieved 1000 emails in less than 5
>> minutes sendmail starts answering with 451 (while the 5 minutes are
>> not complete) so the traffic should go away to other box.
>>
> You have to take into account some broken mailservers will treat this as
> undeliverable and some others (broken in different ways) will take a long
> time to retry using the next server. You should keep an eye out for the
> possibility, even though it is remote.
>

i'm actually using milter-greylisting, in fact i did have problems in
the past with bugged Exchange's (just a couple) now a days i have no
complies,

In my setup i apply limits per to_address, no to_domain.

>
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> Alex Neuman van der Hans
> Reliant Technologies
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> +507 202-1525
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