Messages can be blocked because of their content (encrypted, executable, archive, video, audio, image).
To warn of the detection of a prohibited attachment type, notifications can be issued to the recipient, administrator and sender.
We detect the following file types:
- CRYPTS :
Please note! This option corresponds to the email itself and not to the attachments, we believe that a user must have the password to open an encrypted attachment, this one is not a threat;
- EXECUTABLES: These files contain executable code;
- ARCHIVES: These files contain compressed files;
- VIDEO, AUDIO, IMAGE: These files are multimedia files.