STARTTLS White List

Use this white list to prevent the use of STARTTLS when sending or receiving mail to or from certain hosts or IP addresses.

The STARTTLS White List takes precedence over the STARTTLS Required List and the SMTP server requires STARTTLS on MSA port option.

The STARTTLS extension for SMTP is addressed in RFC-3207, which can be viewed at:

http://www.rfc-editor.org/rfc/rfc3207.txt