[Milad]

Originally Posted by fatal1980

I do have one suggestion. If a message is going to bounce properly, the messages sent from vBulletin wouldn't even be accepted by the destination host. Typically if an email no longer exists, the message is bounced during the SMTP transaction.

Instead of your current method of verifying bounce messages. Why don't you either re-write the vBulletin sending function or place a hook before the message is to be sent. And have a script resolve the domains mx record. Then connect to the destination mail server and confirm the message is valid. You pretty much just have to issue a HELO, MAIL FROM, and RCPT TO. You don't even have to send a message through.

This definitely cut down the time and resources used to determine if an address is legitimate. You would obviously have to setup the pop account as well to catch mail servers that are accepting mail and then bouncing it (which is bad and shouldn't happen).

Furthermore, the process of the bad mail addresses would happen during regular mail operations.

Thanks for the great mod.

That's bad approach. you don't need to send a "Hello" email whenever you want to send an email.