Anonymous SMTP Authentication Enabled

info Nessus Plugin ID 54581

Synopsis

Anonymous authentication is allowed on the remote SMTP server.

Description

This SMTP service allows anonymous authentication. Any remote user may connect and authenticate without providing a password or unique credentials. This may effectively turn the remote server into an open mail relay.

See Also

https://tools.ietf.org/html/rfc2245

https://tools.ietf.org/html/rfc4422

https://tools.ietf.org/html/rfc4505

https://tools.ietf.org/html/rfc4954

Plugin Details

Severity: Info

ID: 54581

File Name: smtp_anonymous.nasl

Version: Revision: 1.2

Type: remote

Published: 5/19/2011

Updated: 6/12/2017

Supported Sensors: Nessus