SMTP_Encrypted.Email

description-logo 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-logoAffected Products

SMTP

Impact logoImpact

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