IMF Tune - Bringing Back the Exchange Connection Filter
Install the anti-spam agents, configure the list of internal SMTP Servers and learn to work with list parameters.
Setup of sender block lists, blocking of emails having an empty sender and testing the filter using telnet.
Setup of a recipient block list, blocking recipients not present at the Address Book, Tarpitting and testing the filter using telnet.
Sender ID filtering works in tandem with SPF records to catch sender address spoofing. Here is how Sender ID filtering works and how to configure it in Exchange 2013.
The Content Filter blocks emails containing content typically found in spam emails. Here we learn about the Spam Confidence Level rating system and the configuration of filtering thresholds.
Per mailbox thresholds, a list of good and bad phrases, recipient exceptions and a custom rejection response.