Hi all,

I'm running postfix 1.1.7 together with courier-imap. Mail delivery runs
fine and fast.

And now I want to use some soft-quotas as most users come from a virtual
userdb in mysql. Now, courier does this fine, but I'm wondering about the
delivery side of the job.

I believe that its good to let postfix know the current space aviable for a
users mailbox, so it can tell if a mail must be rejected or not. Can this
already be rejected on transfer or will I need to recieve the complete
e-mail, check the size and if it fits into the mailbox then, and have then
the eventually occured error bounced to the sender?

Also, as I use couriers maildrop for delivery, can postfix ask maildrop for
usage stuff? How do they all report each other?

Or can postfix read quotas directly from my config files (mysqldb in this
case) and can assume what to do then?

I'm all new to this quota thing, but with virtual users I don't yet think
about starting with system quotas.

philon

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