SMTP Service STARTTLS Command Support

info Nessus Plugin ID 42088
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.


The remote mail service supports encrypting traffic.


The remote SMTP service supports the use of the 'STARTTLS' command to switch from a cleartext to an encrypted communications channel.

See Also

Plugin Details

Severity: Info

ID: 42088

File Name: smtp_starttls.nasl

Version: 1.12

Type: remote

Published: 10/9/2009

Updated: 3/20/2019

Dependencies: smtpserver_detect.nasl, doublecheck_std_services.nasl

Vulnerability Information

Excluded KB Items: global_settings/disable_test_ssl_based_services