Step 1: Launch Mozilla Thunderbird.
Step 2: From the Mozilla Thunderbird window, select Tools > Account Settings
Step 3: At the bottom-left, select Account Actions and then Add Mail Account
Enter your Full Name, or as you would like it to appear on your sent email.
Enter your webmail Address.
Enter your webmail account’s Password.
Click the Continue button.
Step 6: Choose your account type as IMAP.
Step 7:Enter the following information in the appropriate field:
Mail Server: secure.emailsrvr.com (or) secure.oryon.net
User Name: your email address
Password: password for your email
For IMAP use 143 – SSL Disabled ( If SSL enabled Use 993)
Outgoing SMTP port – 25 or 587 or 26 ( If SSL enabled use 465)
Step 8:Click the OK button to save your settings.
Step 9:You should now see your newly added account on the left-hand side of the Mozilla Thunderbird window as you account is now fully set up!