On 6/24/2009, MSG Support (msgsupport....@gmail.com) wrote: > My current postfix version installed is postfix-2.2.10-1.1.el4
This is really old... upgrading to a more current release would be a good thing in any case... > The user's mail over-quota, it will automatically send a bounced mail > to the sender as below: First, don't accept mail and then bounce - it makes you a backscatter source. If you are going to reject mail for a user that is over quota, do it at smtp time, not after you have already accepted the message. Sorry but I cannot help with how, since I've never used quotas... -- Best regards, Charles