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Sensitivity Header + SPX Requires Restart

Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
Forked from another add-on developed by ff_bob, added SPX header for Sophos security appliances

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XDM Helper2 Requires Restart

XDM integration module2

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Native AdBlocker

한국 웹의 광고를 효율적으로 차단합니다.

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about:addons-memory 2016

Adds a new page that shows add-on memory usage

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Stop Watch timer (Sea Monkey)

Stop Watch timer for Sea Monkey

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