Setup Email on Thunderbird (IMAP) Thunderbird is a free, open-source email client that offers excellent support for IMAP and advanced groupware features. Follow the steps below to connect your mailbox. Large Mailboxes: Depending on your internet speed and the size of your mailbox (up to 200GB per account), the initial synchronization can take anywhere from a few hours to a few days to fully build your local data file . You can setup Autoconfig in your DNS to make the process of setting up Thunderbird much easier. Enhanced mailbox? Connect a CardDAV address book or a remote calendar (CalDAV) to keep your contacts and schedule in sync. Getting Started To open the setup window for a new email account: Click on Account Actions in the bottom left of the account pane. Select Add Mail Account... from the menu. Option 1: Automatic Configuration (Recommended) If you have Autoconfig set up in your DNS, Thunderbird will handle the heavy lifting for you. Enter Your Details: Fill in your full name, email address, and password. Keep Remember password checked. Search for Settings: Click Continue . Thunderbird will automatically search for the recommended server configuration. Confirm Configuration: Once the green "Configuration found" message appears, verify that IMAP is selected. Finish Setup: Click Done . Option 2: Manual Configuration If Autoconfig is not available or you need to specify custom ports, follow these steps. Enter Your Details: Input your name, email, and password, then click Configure manually at the bottom of the window. Enter Server Details: We recommend usingĀ  IMAP with SSL/TLS to ensure your data remains private and your folders stay synchronized across all devices . Incoming Server Protocol : IMAP Hostname : imap.emailarray.com Port : 993 Connection Security: SSL/TLS Authentication Method: Normal password Username: Your full email address (e.g., name@yourdomain.com) Outgoing Server Protocol : SMTP Hostname : smtp.emailarray.com Port : 465 Connection Security: SSL/TLS Authentication Method: Normal password Username: Your full email address (e.g., name@yourdomain.com) Test and Verify: Click Re-test . Thunderbird will verify the connection. Finalize: Once the green success bar appears ("The following settings were found by probing the given server"), click Done . Success! Your account is now ready to use. On the final screen, you can also: Add a custom signature. Enhanced mailbox? Connect a CardDAV address book or a remote calendar (CalDAV) to keep your contacts and schedule in sync. Enable end-to-end encryption for extra security. Click Finish to head to your inbox. Thunderbird will now begin synchronizing your folders.