From: Mikhail Asyaev (mishacsi.ru)
Date: Thu Mar 30 2006 - 23:59:44 CST

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Hi everyone,

after being listed in bl.spamcop.net 3 times in a row for sending unsolicited bounces, I decided to get rid of bounces whenever it
is possible.
My question is :
is it possible to reject mail with 4xx code during SMTP session, if message size would exceed the quota defined with
mailbox_size_limit or virtual_mailbox_limit ? Or should it be rejected with 5xx code instead ? The advantage of 4xx, in my opinion,
is that mail gets delivered when user finally cleans his mailbox while with 5xx message is lost, and user has to resend message
hoping that the recipient has cleaned his mailbox.
I could use soft_bounce (overquota mail is not bounced, but stays in my deferred queue), but in this case mail is not bounced at
all, even if recipient server answers 550 User unknown -- that's a bad idea, since I want my users to know if they misspelt the
recipient name immediately.

The main aim of all this is not to send bounces for mail coming from outside (let the sender MX do this job), while leaving the
things the way they are now for local users.

Regards,
Misha

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