I've got a webmail based system (HiveMail) that is receiving alot of spam lately due to its poor design of accepting all incoming messages, then processing them.

I'd like to integrate HiveMail with EXIM/mySQL so when a mail is received, it will check in the HiveMail mySQL database if the user exist, and based upon it will accept/reject the message.

If you can do the job, please send me an email or PM with a quote for it.