Tuesday, 22 September 2026 @ 02:02 UTC~2214,580172,138

Proton Mail Bridge

Proton AG·Proton.ProtonMailBridge

Use Proton Mail with your desktop email client

Proton Mail Bridge adds end-to-end encryption to popular email apps, including Outlook, Thunderbird, and Apple Mail. Secure email made easy.

winget install --id Proton.ProtonMailBridge --exact --source winget

Latest 3.27.0·September 9, 2026

Release Notes

Added

  • Added the expected mock for properly reported errors from Gluon.
  • BRIDGE-616: Maximum MIME structure depth added. Changed
  • BRIDGE-622: Patch vulnerabilities August 2026.
  • BRIDGE-619: Gluon's apply sentry reporting is gated behind a feature-flag.
  • Separate context with timeout used in session.done() handler.
  • External WKD keys are not used if they cant be imported.
  • BRIDGE-621: Silence Vulnerabilities August 2026. Fixed
  • BRIDGE-627: Return RFC3501 compliant response for body-fld-enc & body-fld-param.
  • Fixed an E2E test case; expect human verification when signing in with wrong credentials.
  • BRIDGE-614: Read onDiskLiteral in applyMessageUpdated before any DB transactions.
  • Fixed a deadlock contention in collector_test.
  • BRIDGE-618: UpdateRemoteMessageID used the correct SQL table.
  • BRIDGE-615: RemoveMessagesFromMailbox uses proper chunked ids.

Installer type: exe

x64—6B83DDBA984AA0411F41B51CC540A824E5498EE888F0DA33892B7856184339F7

Details

Homepage
https://proton.me/mail/bridge
License
GPL-3.0
Publisher
Proton AG
Support
https://proton.me/support/mail/
Privacy Policy
https://proton.me/legal/privacy
Copyright
Copyright (c) 2026 Proton AG
Moniker
protonmailbridge

Tags

emailmailproton-mail

Older versions (24)

3.26.0
x64—84E364280F0168621FDBBEFCDD5ED3BB27EE9E0C495FFD7ED3504B22AE7C3F8E
3.25.0
x64—0CC9C525F4D0BE1CD8C864BC1341BA2933F4057DB6A3B4B191CFB0B6A6C24450
3.24.2
x64—08E7FCA9974BE1BFA6272D84239087AAA483618299557456EA8F145B8AA76010
3.24.1
x64—F3C58B15B680040C2D9D90AF673BF66B2D41C898705194B0C99D48B59C841B15
3.23.1
x64—95E928476AA09908CB988F1B4F8B548A8C75B2B34479CBBDEE36F9EBD9D0E6A7
3.22.0
x64—512FCAF033D5A253AB5CFA20ADB90AFCF20059366648782983FE911759C71C62
3.21.1
x64—A31D97C945E9513B974C40B23BFF892CFF3E6A8B51AD6FA6961EBCCFC6A2DC8E
3.20.0
x64—FBEA131EF1DDED6FE39D886EC335A25AA7A879E78CEB65E03DB3B92BDDE19A82
3.19.0
x64—467B3A29596F6278A0EDB92CFC21F0D29F9D547CD533A4B7C91EBB376F0BF382
3.18.0
x64—6DE53128336A0F58C83395DF71AE5C73CAB0909C2242702E4C6436CDBAF76057
3.17.0
x64—9AA41662786D03175435CBE79A0DF54EF2A680258CE47038B4BEFC40D3CC4CE6
3.16.0
x64—224F234DAB22CF3E3770363A67645396D74DF701BFE3850CA1B4DDD4D8B4E50D
3.15.1
x64—5A0FA312BA843798CDC42CCC5142F6C171F4371AF768D5ED20BE809E5BFF5A3B
3.15.0
x64—B179B0B633E3A975FFC56EE9B15DB56CAEA2CB4EFF970327802D942978EE6FA3
3.14.0
x64—B047938DDCBEC42FDA66AE6A88F1876DDACA8F4B24E5B2794C044978951C1FA9
3.13.0
x64—C35D9A7BA7B464CA6106BAB7CB29C68AB5AD6E1E96A194A21030A74AD31DBA45
3.12.0
x64—55B052A88D8B23C0241568DA6DE00283F282A46F3B820469B76F5188413CBE25
3.11.1
x64—859A6AECB8688466EEF6A61C851F25C185E6DA5FCFBD9F0366E6FA551825D7BB
3.11.0
x64—C0BB3554FB72233A4F24731857E056590829E6B9D77D6EEA0C5734B685019CF4
3.10.0
x64—B3C12FDE958D308BD13AD1EB4B4AD0952868EB23077AFC7880E659D047930110
3.9.1
x64—FF87A309A8DE0F5AEE10AD9DDF85550355ED6C834FDD8A1619476838904F6939
3.1.3
x64—C7BBD5EEC1877EE97D942F5AAE69AB3FC7C0F1C7C78BF315B72A189F005B162C
2.3.0
x64—6937FF311718732AE432C67E45C469A83170BFAB6216553472136DE4D55BED6F
2.1.3
x64—DDFAA8F2CBF81D8D6D4BACEE53EB042EB8E068B878973D1B1B96A01022608E28