So, out of curiosity, how does that work?
It scans mail content and specially signatures to check form numbers? It's on realtime when the call it's happening? If so, isn't that slow? Or it maintains a database of numbers that ever shown on mails?
It scans mail content and specially signatures to check form numbers? It's on realtime when the call it's happening? If so, isn't that slow? Or it maintains a database of numbers that ever shown on mails?