PROBLEM:
I have a remote mail server identified by it’s IP address that i want to stop sending mails, how can i do this?
SOLUTION:
You can operate at two different levels:
- Reject at Blacklist level
Simply add the IP address in a blacklist under menu’ Lists - Reject at SMTP level
Use Local RBL Blacklists. Enable Local Rbl feature under menù System and under Local RBL Blacklist, insert the IP address to be blocked.
We do suggest you blocking at SMTP Level.