View source for Inserimento di una firma HTML con immagine in Thunderbird

   1.  In Thunderbird, click on the "Write" button to compose a new message.
   2. Type in the text you want to use for your signature and add whatever formatting you want (font style, color, boldfacing, etc.).
   3. Select the text you want in your signature (or go to "Edit -> Select All" if you want the whole message as your signature).
   4. From the "Insert" menu, choose "HTML...".
   5. Select the text in the window that pops up and copy the selected text ("Ctrl+C", or right mouse click and select "Copy").
   6. Open your favorite text editor (such as Notepad) and paste in the text you just copied.
   7. Save the file to your computer, giving it a name with the ".html" extension (such as "signature1.html").
   8. In Thunderbird again, go to "Tools -> Account Settings -> <Account Name>".
   9. Check the "Attach this signature" option.
  10. Click the "Choose..." button and attach the signature file that you just created and saved on your computer. 

== Riferimenti ==

[http://kb.mozillazine.org/Signatures_%28Thunderbird%29 Mozillazine - Signatures (Thunderbird)]