Addresses in the From/To/Cc headings are since Thunderbird 3 replaced with word "You" if they match any of your identities. Disable "You" is a Thunderbird extension that disables this function.
How to Install in Thunderbird:
1. Right-click the link below and choose "Save Link As..." to download and save the file to your hard disk.
2. In Mozilla Thunderbird, open Add-ons from the Tools menu.
3. Click the Install button, and locate/select the file you downloaded and click "OK".
Product's homepage
Requirements:
· Mozilla Thunderbird
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