To enhance your email experience, GRM Networks email uses the Zimbra mail platform. Access your email from any device by going to https://webmail.grm.net. It’s secure, feature rich and easy to use! See the information below to learn more about the Zimbra platform.

How to Change Your Password

A safe and secure password or pass phrase is very important. Click here for instructions on how to change your password/pass phrase.

View the video below for step-by-step instructions.

After you change your password at webmail.grm.net, remember to change your password on all other devices that you use to check your email. If you use different email clients (Outlook, Mozilla Thunderbird, MAC mail etc…), you must change your password in those clients. Below are links to instructions for each email client.


Email Client Configuration Guides and Server Settings

Listed below are the common email interfaces. Click here for the email client server settings. Please use the information in the settings chart in conjunction with the instruction links listed below for the email interface that you use.

WINDOWS 10 / 8 / 7

Windows Live MailMicrosoft Outlook 2007Microsoft Outlook 2010 / Outlook 2013Microsoft Outlook 2016 / Outlook 365Microsoft Windows 10 Mail App,  Mozilla Thunderbird

MAC OS X – Mac Mail 10.x


Apple iOS Devices (iPhone / iPad) iOS 11iOS 10

Android 8.0 (Oreo), Android 7.0 (Nougat)

Learn More…

Information on the features and functions of the new Zimbra mail platform can be found in the links below.

If you are looking for short “how to” videos on a function or feature of the  Zimbra mail platform, you will find several great videos under the Zimbra Collaboration – Web Client Official Training, Tips, & Tricks.

To read all about the Zimbra mail platform, open up the Zimbra Web Client User Guide. This pdf document will walk you through all the features and functions that will be available after the migration.

Grab the popcorn and watch a 1 hour and 53 minute webinar detailing the features and functions of the Zimbra Webmail Client.


Two-Factor Authentication

Visit the links below to learn how to enable two-factor authentication for your email.

Zimbra Two-Factor Authentication

Zimbra Collaboration Two-Factor Authentication Whitepaper

Zimbra Tips and Tricks – Enabling Two-Factor Authentication Video

The 24/7 TECH SUPPORT line is available if you need assistance. However, listed below are items to check before you call. 

  • Go to https://webmail.grm.net to confirm that you can log in to your email account. Please remember to use your full @grm.net email address for the username.
  • If you can login, review your email client configuration (e.g. Outlook, Mozilla Thunderbird, Windows Live, etc.). Instructions for updating the information for your email client are linked above.
  • If webmail prompts you to change your password, please do so. If you are using an email client, remember to update your email client with your new password.
  • Make sure you entered your full @grm.net email address for your username.
  • Update your shortcuts or favorites that take you to the webmail portal (https://webmail.grm.net).
  • Refresh your email client (e.g. Outlook, Mozilla Thunderbird, Windows Live, etc.).
  • Reboot your impacted device(s) such as cell phone, tablets, or laptop computers.
  • Still having issues? Call the 24/7 tech support line at 1-800-721-2577.

Tips on How to Manage the JUNK FOLDER and SPAM messages.

Ten “Need-to-Know” Migration Details