Mail Checker for Proton Mail by beo

4 Stars out of 5

Mail Checker for Proton Mail version history - 25 versions

Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 1.12.10
Released Aug 8, 2026 - 1.36 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download Firefox and get the extension
Download file
Older versions
Version 1.12.9
Released Aug 8, 2026 - 1.36 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.12.8
Released Aug 7, 2026 - 1.35 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.12.7
Released Aug 7, 2026 - 1.34 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.12.6
Released Aug 7, 2026 - 1.34 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.12.5
Released Aug 7, 2026 - 1.33 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.12.3
Released Aug 4, 2026 - 1.33 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.12.2
Released Aug 3, 2026 - 1.31 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.12.0
Released Jul 30, 2026 - 1.31 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.11.3
Released Jul 28, 2026 - 1.25 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.11.2
Released Jul 25, 2026 - 1.25 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.11.1
Released Jul 17, 2026 - 1.24 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.11.0
Released Jul 11, 2026 - 1.24 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.10.3
Released Jul 3, 2026 - 1.17 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.10.2
Released Jul 2, 2026 - 1.17 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.10.1
Released Jun 30, 2026 - 1.17 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.10.0
Released Jun 30, 2026 - 1.17 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.9.5
Released Jun 27, 2026 - 1.14 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.9.4
Released Jun 27, 2026 - 1.13 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.9.3
Released Jun 27, 2026 - 1.13 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.9.1
Released Jun 26, 2026 - 1.13 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.9.0
Released Jun 25, 2026 - 1.13 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.8.3
Released Jun 15, 2026 - 1.11 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.8.2
Released Jun 11, 2026 - 1.11 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file
Version 1.8.0
Released Jun 11, 2026 - 1.09 MB
Works with firefox 142.0 and later
Source code released under All Rights Reserved
Download file