Using MTL ยป Computation

How to Configure Your E-mail Client


MTL uses two different servers to handle incoming (i.e. receiving) and outgoing (i.e. sending) e-mail.  MTL's incoming POP/IMAP server is it's outgoing mail server is   In addition, MTL only supports secure (i.e. SSL) encrypted connections in order to use it's POP/IMAP services.  For outgoing mail, MTL also requires a secure encrypted connection when you're sending mail through MTL from a location outside the local MTL network.  This is handled by the secure SMTP Authentication service.  Most modern mail clients offer support for both secure POP/IMAP as well as secure SMTP Authentication services.  Below you will find instructions on how to configure various popular e-mail clients for both UNIX, Windows and Mac platforms Using secure IMAP and SMTP within MTL.  While POP is still supported, we encourage the user community to use IMAP in order to take advantage of other services such as MTL spam filtering.

Setup Instructions

Important: Before you can configure your e-mail client for use with MTL mail services, you need to make sure that the MTL CA certificate has been installed on your system and your mail client is able to use it.  For information on installing the MTL CA certificate, please go here

Configuring Your Mail Client to Use MTL E-mail Services

This only applies to MTL users who have full e-mail privileges. Each e-mail client will vary on the specific location where these settings are entered. Some will call them Tools, Preferences, Options, etc. but the key settings you will need are:

Account Type: IMAP

Incoming Server Name:

Incoming Server Port: 993

Incoming Server Connection: SSL

Incoming Server Authentication Method: normal password

Outgoing Server Name:

Outgoing Server Port: 465

Outgoing Server Connection: SSL

Outgoing Server Authentication Method: normal password

If you need help entering these settings in your specific e-mail client, please send mail to:



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