This free online service analyzes the configuration of the inbound email servers for any domain with respect to the quality of their support for SMTP TLS.
TLS, short for Transport Layer Security, is a protocol used for establishing a secure connection between two computers across the Internet. As an email provider we give our clients the best of security options, and TLS is a very important security tool. Our system gives our users the option to use TLS when connecting their email program (e.g, Outlook, Apple Mail, etc.) to our incoming and outgoing email servers for the purpose of encrypting the connection itself.
Enforced use of SMTP TLS is one of several methods that LuxSci SecureLine email encryption can use to ensure secure email delivery. See: How SecureLine Works. In particular, LuxSci SecureLine allows you to leverage TLS for secure email delivery, if you choose, via: