SMTP_Encrypted.Email
Description
This indicates an attempt to use the S/MIME protocol for encrypted email content via SMTP.S/MIME (Secure/Multipurpose Internet Mail Extensions) is a protocol for authentication and encryption of emails.
Affected Products
SMTP
Impact
Unexpected network communication
Technology
Browser-Based, Network-Protocol, Client-Server, Peer-to-Peer, Cloud-Based, Mobile-Device
Behavior
- Reasonable
Application Dependencies
Default Ports
- TCP/25