Re: [courier-users] List of suppressed addresses

Milan Obuch <courier-users@dino.sk> writes:

> On Friday 30 March 2007, Pawel Tecza wrote:
[...]
>> Hi Sam,
>>
>> Thanks a lot for your answer! I still don't understand why status
>> of delivery failure can be A (accepted)? I was thinking that
>> delivery failure means that delivery is either failed or deffered.
>
> Hi, Pawel,
>
> it's simple - just the last line for given address is valid, if there are
> more. Think about this simple scenario:
>
> Mailbox for a@a.com has quota 10 MB. There are messages in there, size is
> total 8.9 MB.
> New message comes in, size 1.2 MB. Quota comes in effect, this message is
> temporarily rejected.
> Line <timestamp> Da@a.com gets added into track file.
>>From this point on, whenever new message for a@a.com is seen by
> esmtpd, it is
> rejected with 4xx message.
> Then, some time after, user empties its mailbox.
> Some time later, courier 'sees' that (no detail here, I did not studied it
> into deep, but this is not relevant for our purpose either) and ads
> <timestamp> Aa@a.com into track file.
> Now messages for a@a.com are accepted, again.
>
> The key bit of information is - records into track files are only
> appended, not removed, not rewritten.

Hello Milan,

If it's true, then I can understand it now :) Thank you for your
explanation!

BTW, Courier should accept the new message with 1.2 MB size from
your example. It rejects next messages when user's Maildir
is over quota.

Have a nice day in Slovakia :)

Pawel

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