Secure SMTP Mail
Secure SMTP Mail Protocol
Detection Information
The following page provides information on the Secure SMTP Mail Protocol.
Protocol Description
The Secure Simple Mail Transfer Protocol (SMTPS) is used for sending e-mail messages.
Full Name
Secure Simple Mail Transfer Protocol
Abbreviation
SMTPS
Introduced
Version 2.88
Best Practices
Keep an eye on the size and number of SMTPS connections going through your network. If you see a spike in traffic, it could be spam or virus traffic from a malware infected system on your network.
Port Statistics
| IP Protocol | Flow Percent |
|---|---|
| TCP 587 | 90% |
| TCP 465 | 10% |
Port Reference - RFC
- TCP 465 - Message Submission Over TLS Protocol
- TCP 587 - Message Submission
Category
External Resources
Protocol Detection
Do you know how much Secure SMTP Mail traffic flows through your network? Netify's protocol detection engine and reporting provides insights to help manage your network.
What gets measured, gets managed.
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Intelligence
Categories
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