Add-ons
About this Add-on
Extension for Email Spoofing Detection
To create your own collections, you must have a Mozilla Add-ons account.
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![[Warning]](https://addons.thunderbird.net/static/img/developers/test-warning.png?b=b00ed3ed-652d8172)
Permissions
Some add-ons ask for permission to perform certain functions. Since you’re in control of your Thunderbird, the choice to grant or deny these requests is yours.
Please note this add-on uses legacy technology, which gives it access to all browser functions and data without requesting your permission.
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