Create and customize your Thunderbird signature using NEWOLDSTAMP Editor.
After you have created your NEWOLDSTAMP signature follow these simple steps to set it up in Thunderbird.
Select Thunderbird tab below the Signature preview.
Press Select Button and copy your signature to Clipboard (Ctrl+C or Command+C)
Go to Thunderbird to Tools – Options – Account Settings.
In the left panel choose the account where you want to use the signature.
Check the Use HTML option and Paste (Ctrl+V or Command+V).
Choose the signature field and Paste your signature.
Congratulations! Now you will see you new signature in every email you send with Thunderbird.
If you want to modify your signature in future, go to NEWOLDSTAMP Editor, make the changes, click Save button and repeat the steps above.