Privacy and Security
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DKIM Verifier
Verifies the DKIM-Signature of an e-mail.
23,028 users
Most Popular See all »
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59,105 users
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41,447 users
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This is enterprise edition with less updates. Another edition for regular users:
https://addons.thunderbird.net/thunderbird/addon/flex-confirm-mail/19,930 users -
17,057 users
Top Rated See all »
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163 users
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* Full sender address -- e.g. "someone@example.com"
* Sender's domain -- e.g. "example.com"
* Sender's local part -- e.g. "someone"
* Sender's TLD -- e.g. ".com"4 users -
59,105 users
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This plugin will change the URL back to the original value.652 users -
213 users
Recently Added See all »
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1 user
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1 user
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Mailbox Full Alert (MFA) is a Thunderbird addon that monitors mailbox usage and warns you when the configured quota is exceeded.1 user -
主に、メール内のリンク先のドメインをチェックし、
安全性を確認する。
Check the domain of the link in the email.5 users -
This edition will have incompatible changes. Another edition for enterprise users with less changes:
https://addons.thunderbird.net/thunderbird/addon/flex-confirm-mail-stable/486 users
See all 193 extensions in Privacy and Security »
To create your own collections, you must have a Mozilla Add-ons account.