Proton Mail

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The Proton Duo plan is the perfect way to introduce a family member or partner to Proton, giving them online privacy made easy.

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This article shows you how to set up SMTP for your business applications and devices using Proton Mail.

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Proton Scribe is a writing assistant built into Proton Mail that helps you compose emails and improve your drafts. This article explains how it works and how to use it.

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Find out how our student discount works, and how to claim your Proton student discount through Student Beans.

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If you purchased a custom domain from Porkbun (such as yourdomain.com), you can use it to send and receive emails with your Proton Mail account. Here's how.

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Learn how to customize your toolbar so you can quickly access your favorite email actions in the Proton Mail apps for iPhone and iPad.

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You can use Proton Mail’s secure email service on iOS with our app, and participate in the beta program to test new features.

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Learn how to use Groups in Proton Mail to create end-to-end encrypted mailing or distribution lists.

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A brief explanation of who owns Proton Mail and where it is based.

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If you stop receiving new messages in your email client while using Proton Mail Bridge, this article will help you troubleshoot the issue.

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Access to your account may be limited if you exceed the Proton free plan limits.

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Use the side panel to quickly access other Proton apps from the Proton Mail, Proton Calendar, and Proton Drive web apps.

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You can now view images of senders from popular websites in your Proton Mail inbox. Learn how.

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Switching from Gmail to Proton? Learn how to automatically forward Gmail messages to your Proton Mail account.

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If you have a non-Proton Mail server as your primary MX record for a custom domain, you must disable our end-to-end encryption for consistent email delivery.

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The “Official” badge next to the sender’s address in Proton Mail emails verifies that the email is a genuine message from Proton.

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Proton Mail offers state-of-the-art DDoS protection. Here you can read about our solutions and experience with DDoS attacks, and how we provide protection

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3. Using Proton Mail

Proton Mail's security events feature allows you to follow the activities on your account and check if your account is secure.

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3. Using Proton Mail

Learn how to use Groups in Proton Mail to create end-to-end encrypted mailing or distribution lists.

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3. Using Proton Mail

Learn how to easily manage email subscriptions in Proton Mail’s newsletters section. Unsubscribe, organize, and declutter your inbox in just a few clicks.

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3. Using Proton Mail

With Proton Mail, you can snooze your emails and be reminded about them at a more convenient time.

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3. Using Proton Mail

Use the side panel to quickly access other Proton apps from the Proton Mail, Proton Calendar, and Proton Drive web apps.

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3. Using Proton Mail

Get early access to new Proton Mail features and help our team improve them by enabling beta access.

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3. Using Proton Mail

With email forwarding, you can automatically forward emails sent to your Proton Mail account to any email address.

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3. Proton Mail Bridge

This article with explain how to import and export MBOX and EML files using Proton Mail Bridge and Mozilla Thunderbird.

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3. Proton Mail Bridge

While using Proton Mail Bridge, you may receive a "failed to parse message" error message. This article will cover how to troubleshoot them.

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3. Proton Mail Bridge

Here's how to troubleshoot the “Invalid return path”error when you attempt to send a message from your email client.

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3. Proton Mail Bridge

If you stop receiving new messages in your email client while using Proton Mail Bridge, this article will help you troubleshoot the issue.

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3. Proton Mail Bridge

While using Proton Mail Bridge, you may receive messages in your email client with a delay. Here's how to fix it.

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3. Proton Mail Bridge

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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3. Proton Mail Bridge

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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3. Proton Mail Bridge

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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3. Proton Mail Bridge

This article explains “This computer only” folders, why they appear next in Outlook, and how to resolve it.

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3. Proton Mail Bridge

This article explains what the “Checking mail server capabilities...” notice means when using Bridge and Thunderbird and how you can resolve it.

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3. Proton Mail Bridge

When you are uninstalling Proton Mail Bridge, some files might be left over. This article will show you the locations of these files and how to remove them.

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3. Proton Mail Bridge

In certain cases, a folder can appear in your email client called “Recovered Messages” which contains messages in it you might recognize.

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3. Proton Mail Bridge

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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3. Proton Mail Bridge

Occasionally, we'll release versions of our software that are required for all users.

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3. Proton Mail Bridge

With Proton Mail Bridge, you can access your Proton Mail emails using your regular desktop email client while maintaining secure encryption.

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3. Mobile applications

Proton Mail now allows you to replace our standard app icon with something more discreet on our iOS and Android apps.

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3. Mobile applications

Learn how to customize your toolbar so you can quickly access your favorite email actions in the Proton Mail apps for iPhone and iPad.

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3. Mobile applications

Send from different Proton Mail addresses within the Android and iOS applications

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3. Import and export emails

The Proton Mail Export Tool is a command-line tool that decrypts and exports emails from your Proton Mail account to your device.

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3. Import and export emails

Switching from Gmail to Proton? Learn how to automatically forward Gmail messages to your Proton Mail account.

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3. Get started

Help your friends discover Proton privacy and earn up to 1,000 USD with our referral program.

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3. Get started

The Proton Mail desktop app gives you the full Proton Mail and Proton Calendar experience from the convenience of your desktop.

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3. Get started

Get to know your Proton Mail inbox and receive a storage upgrade to 1 GB.

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3. Get started

Proton Mail stores all data in an encrypted form. Here you can read about what is end-to-end encrypted and how the stored data is saved.

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3. Get started

Sign up for Proton Mail using a referral link and you’ll get a free 30-day trial of Proton Mail Plus with 15 GB of storage and more.

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3. Email encryption

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3. Email encryption

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3. Email encryption

Proton Mail lets you easily send secure, end-to-end encrypted emails to non-Proton Mail email addresses using a password.

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3. Email encryption

Digital signatures are like a physical signature but on a specific piece of data — one of several ways Proton uses to protect your privacy and security.

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3. Email encryption

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3. Email encryption

As of January 2020, Proton Mail no longer supports TLS versions 1.0 and 1.1. Going forward, we will only support TLS 1.2 or later.

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3. Email encryption

Find out what encryption is, how Proton Mail uses it to secure your messages, and what happens to them if the right decryption key is not used.

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3. Email encryption

We explain what exactly is encrypted in Proton Mail and how to send end-to-end encrypted messages to non-Proton Mail users.

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3. Email encryption

Proton Mail supports PGP encryption to send encrypted messages to encrypt emails: PGP/MIME and PGP/Inline.

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3. Custom email domain

If you purchased a custom domain from Porkbun (such as yourdomain.com), you can use it to send and receive emails with your Proton Mail account. Here's how.

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3. Custom email domain

SMTP error messages can help you fix email delivery issues when incoming or outgoing emails bounce. Learn all about SMTP errors.

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3. Contacts

You can now view images of senders from popular websites in your Proton Mail inbox. Learn how.

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3. Addresses and identities

If you’re on a Proton Mail paid plan, you can activate a short domain email address (yourusername@pm.me) at no extra cost.

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3. Addresses and identities

To delete a email address in Proton Mail, you must first delete the emails associated with it. Learn more.

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3. Addresses and identities

Learn how to create and use additional addresses (aliases) in Proton Mail to organize and protect your inbox.

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3. Addresses and identities

You can create hide-my-email aliases directly from your Proton Mail web app’s inbox. In this article, we show you how.

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3. Addresses and identities

Display names and email signatures are a helpful way to provide identification and personalization to the emails you send.

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3. Addresses and identities

Learn more about Proton Mail addresses, including free personal addresses, aliases, and custom addresses with your own domain.

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3. Addresses and identities

If you have more than one Proton Mail address, you can set the address you'd like to send messages from by default.

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3. Addresses and identities

Learn about Proton's personal email addresses (@proton.me, @protonmail.com, @pm.me, and protonmail.ch) and how to manage them.

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3. Addresses and identities

Learn what happens with your custom domain addresses when you delete the custom domain or downgrade to Proton Free.

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3. Addresses and identities

If you have a non-Proton Mail server as your primary MX record for a custom domain, you must disable our end-to-end encryption for consistent email delivery.

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3. Addresses and identities

Learn about Proton's email domains (@proton.me, @protonmail.com, @pm.me, and protonmail.ch) and how they differ.