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CompactHeader Atosú de dhíth Mór-Le-Rá
Add symbol in header plane to switch between compact and expanded view. Options to switch between one or two lines compact view, which buttons should be displayed in header pane. For Thunderbird 36 and older use version 2.0.9 (see version history)
Enigmail Atosú de dhíth Mór-Le-Rá
OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.
Mail Redirect Atosú de dhíth Mór-Le-Rá
Allow to redirect (a.k.a. "remail") mail messages to other recipients.
CardBook Atosú de dhíth Mór-Le-Rá
Adblock Plus Mór-Le-Rá
Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).