Common issues and questions

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2. Proton Mail
3. Proton Mail Bridge
4. Common issues and questions

This guide will show how to optimize your Proton Bridge settings. You'll learn about automatic updates, startup options, alternative routing, and more.

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2. Proton Mail
3. Proton Mail Bridge
4. Common issues and questions

Learn how to troubleshoot missing messages in your email client when using Proton Bridge with this step-by-step guide to resynchronize with Proton servers.

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2. Proton Mail
3. Proton Mail Bridge
4. Common issues and questions

In this article, we will cover the typical causes of connection issues with Proton Mail Bridge and provide suggested solutions to each of them.

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2. Proton Mail
3. Proton Mail Bridge
4. Common issues and questions

If you downgrade your Proton subscription while using more storage (or user accounts) than your new plan allows, your access may be limited.

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3. Proton Mail Bridge
4. Common issues and questions

New Outlook's unexpected changes have made it technically incompatible with Proton Mail Bridge. Here's how to navigate the issue.

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3. Proton Mail Bridge
4. Common issues and questions

If you ever have a problem with Proton Mail Bridge or you have a suggestion to improve the app, you can send us feedback in a report.

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2. Proton Mail
3. Proton Mail Bridge
4. Common issues and questions

In this guide, we show you how to fix the ”Internal error” synching warning on Proton Mail Bridge.

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2. Proton Mail
3. Proton Mail Bridge
4. Common issues and questions

In this guide, we show you how to fix a “can't move cache” error on Proton Mail Bridge.

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2. Proton Mail
3. Proton Mail Bridge
4. Common issues and questions

In this guide, we show you how to fix the “IMAP Login failed” error on Proton Mail Bridge.

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2. Proton Mail
3. Proton Mail Bridge
4. Common issues and questions

Learn how to fix a Proton Mail Bridge warning after you’ve changed your Proton Account email addresses.

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2. Proton Mail
3. Proton Mail Bridge
4. Common issues and questions

f you see the “cannot access keychain error”, Bridge has failed to access your keychain and therefore can’t decrypt your emails.

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2. Proton Mail
3. Proton Mail Bridge
4. Common issues and questions

Learn how to fix common issues when connecting email clients like Thunderbird, Outlook, and Apple Mail to Proton Mail using Bridge.

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2. Proton Mail
3. Proton Mail Bridge
4. Common issues and questions

How to fix some common login errors you might run into when logging in to Proton Mail Bridge Linux.

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2. Proton Mail
3. Proton Mail Bridge
4. Common issues and questions

Proton Mail Bridge uses ports 1143 and 1025 by default, but sometimes they are already in use. Learn how to change ports for Bridge.

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2. Proton Mail
3. Proton Mail Bridge
4. Common issues and questions

Learn why you may get a password error message while setting up Proton Mail Bridge to connect your email client to Proton Mail.

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2. Proton Mail
3. Proton Mail Bridge
4. Common issues and questions

In Thunderbird, you may receive a “connection to server timed out” error when sending or receiving a message. You may be able to prevent this error by increasing the length of time the email client will wait for a response from the server.