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Secure Addressing

This add-on provides features to avoid sending emails to wrong addresses. Key features are a confirmation window of recipient's addresses upon sending, name and affiliation look up at mail composition and main windows, and safe auto completion.

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1.411 uporabnikov

Key Manager

KeyManager Tool: Firefox Add-on for Key Generation, Certificate Enrollment, CRL Signing, and Identity and Authority Delegation

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1.301 uporabnik


为Fx5.0 及以上版本提供系统热键(老板键)功能

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Check and Send

Check the message contents and addresses before you send the message...

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27.022 uporabnikov



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Pan Ponoven zagon ni potreben

Block ads and manage proxy.

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2.072 uporabnikov

Check Domain


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2.292 uporabnikov



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Show Password On Input

Gives an option to show the master password on input

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1.149 uporabnikov

Auto Address Cleaner

Removes comment, display name automatically from addresses before sending mail.

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17.447 uporabnikov

Password Tags

Adds metadata and sortable tags to the password manager.

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2.922 uporabnikov

GProxy Tool

GProxy lets you set and clear GPass local proxy in Firefox and Thunderbird, and do more.

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5.912 uporabnikov

Encrypt if possible

Sets message security option "encrypt message", if valid X509 certificates are found for all recipients.

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1.844 uporabnikov

Disable Addons

Disable Addons.

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5 uporabnikov

POW -- Plain Old Webserver

Turn the web on its head with the Plain Old Webserver (POW), which adds a server to your browser.

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98 uporabnikov

Disable about:config

Disable about:config feature of Firefox and Thunderbird.

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273 uporabnikov

CallingID Link Advisor

CallingID Link Advisor verifies the links you see in Firefox and Thunderbird are safe before you follow them. When the mouse is placed over any link a risk assessment and the full details of the site owner are displayed, helping you evaluate the...

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553 uporabnikov

Spoof Detector

Extension for Email Spoofing Detection

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66 uporabnikov


Check if your emails arrived TLS-encrypted (and which corporations were able to read it nevertheless)

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873 uporabnikov

Purge Events

Purge events from Sunbird and Lightning calendars

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221 uporabnikov