[IMail Forum] Bounced Mail Functionality

[Will]

I have an issue where I continue to be listed on the SpamCop blacklist.  This is due to delayed bounced messages from my server, where mail cannot be delivered to a users mailbox due to an exceeded message count or mailbox size.  If this happens, my Imail server attempts to bounce the message to the sending email address, which is forged in most cases.  Some of the email that is bounced has a forged address that happens to be a SpamCop trap, so I continually get listed.   Is there a way to force Imail to verify mailbox size limits before accepting mail from a connecting server?  This would ensure the sending mail server is responsible for any bounced mail like it is with “invalid recipient” or “not a gateway” responses.   If not, is there a way to disable delayed bounced message such as this?   Will