FREE
SuperSleek Eudora Plug-in 1.0
SuperSleek lets you modify x-headers, add additional headers and manipulate forwarded and quoted text when replying to e-mail.
It has even more features, but they are too numerous to mention.
There are lots of Add-ons available to give Thunderbird even more functionality. view it
How to create e-mail signatures in Hotmail view it
Pt. 4: Add-ons and Extensions view it
Organize your e-mail before you even open your inbox with filters view it
Thunderbird helps you maintain your privacy view it
Easily import your email contacts from Outlook or another email program to Thunderbird view it
Dealing with spam can be made easier with some email plug-ins view it
