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Setting Up Email: Thunderbird for Windows 10

Thunderbird is Mozilla's free email application that can be downloaded on Windows and Mac. If you need help with the download and installation process, you can find instructions on the Mozilla Thunderbird support page.

This tutorial is meant for Thunderbird 60.5.3. Thunderbird 60.0+ only works on Windows 7, 8,  and 10.

You can find information about finding your email's username and other configuration settings in the How to Set Up an Email Reader article.

Setting up your email on Thunderbird on Windows 10 (Thunderbird 60.5.3)

Once you have downloaded and installed Thunderbird on to your machine, you can follow these steps to set up your Pair email:

  1. Open the Thunderbird application
  2. On the main page, under the Create a new account heading, click Emailemail image

    This page will come up automatically for new users and some existing users. If this page does not come up y default, you can click Local Folders in the left sidebar to navigate to the page.

    local folders image
  3. A window will appear. Enter your email information here:step 1 image
    Your Name This name will appear as the sender of your email
    Email Address The Pair email address you are planning to use with Thunderbird
    Password Your email address' password.
    Note: This is not your ACC account password
  4. Click Continue
  5. Select IMAP or POP. For more information see our IMAP or POP: Which One Should You Use? articleimap or pop image
  6. Click Manual Configmanual config image
  7. Enter the incoming and outgoing mail servers and the username:incoming and outgoing image

    For instructions on how to find your mail servers, read our How to Find Your Email's Incoming and Outgoing Servers. 

    Incoming Incoming mail server

    Example: username.mail.pairserver.com, mailX.pair.com
    Outgoing Outgoing mail server

    Example: username.mail.pairserver.com, mailX.pair.com
    Username The email address you are currently setting up
  8. Click Re-test
  9. If no errors appear, click Done

Your Pair email address should now be displayed in the Thunderbird sidebar. You can click the name of your address to view its inbox.

Using SSL to Secure Your Email

Pair Networks provides support for SSL/TLS and STARTTLS encryption for all IMAP, POP, and authenticated SMTP connections. Using encryption is an important way to prevent your password from being stolen.

POPS/IMAPS only secures the connection between your email reader and the mail server. Once it reaches the mail server, it will be in plain text. For additional security, you would need to encrypt the email message itself. The port for POPS is 995, the port for the IMAPS is 993, and the ports for encrypted authenticated SMTPAUTH are 465 and 587. These are the standard ports for these services, and you should not need to manually set them.

Please note that we replaced the secure certificate used to provide POPS, IMAPS, and SMTPS email services (sending and receiving email over SSL). Our SSL certificate vendor has changed to a new "root" certificate, which is recognized by most, but not all, email programs. If your email program begins returning errors and indicates that the server certificate is not recognized, please download the root certificate below and install it in your email program. The specifics of how to install a certificate will vary from program to program -- please consult the help files of your program for details.

USERTrust RSA CA Root.crt

Please also note that our mail servers use an SSL certificate. If you use this SSL option in conjunction with a domain name, your email reader may warn you that the domain names do not match. Some email readers will allow you to ignore this warning. In these cases, your incoming email will remain secure.

However, some email readers will not let you proceed if the security certificates do not match. If this occurs, please verify your incoming server settings as follows:

For accounts created prior to June 1, 2011:


( X is your server number)

For accounts created on or after June 1, 2011:


( "username" is your main account username)

Updated on May 19, 2020

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