Proton Mail Bridge Microsoft Outlook 2016 for macOS setup guide

Reading
5 mins
Category
Installation on macOS

Proton Mail Bridge(new window) is an open-source application that allows you to fully integrate your Proton Mail(new window) account with any program that supports IMAP and SMTP. This includes Microsoft Outlook, Mozilla Thunderbird, and Apple Mail.

It runs in the background on your computer and seamlessly encrypts and decrypts your mail as it enters and leaves your computer.

Before you configure Outlook to use Proton Mail, you must first sign up for a Proton Mail account(new window) and download and install the Proton Mail Bridge(new window) on your computer.

Once you’ve installed and added your account(s) to Proton Mail Bridge, you will need to configure your email client. Proton Mail Bridge works with most email clients and applications that support IMAP / SMTP connections.

In this guide, we provide step-by-step instructions for configuring Outlook 2016 for use with Proton Mail Bridge on your Mac.

How to set up Outlook 2016 for macOS for use with Proton Mail Bridge

1. Open Outlook and go to the Tools tab → Accounts.

Go to Accounts...
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2. Click the + icon in the bottom left corner → New Account….

Click + to add a new account
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3. Enter your email address and click Continue

Enter your email address
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4. Choose IMAP/POP.

Choose IMAP/POP
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5. Enter the account details given in the Proton Mail Bridge app, then click Add Account.

Enter your Proton Mail Bridge account details
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Note: Do not use your regular Proton Mail account details. You must use the account details provided in Proton Mail Bridge under Mailbox details

Your Proton Mail Bridge account details
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6. Go to the Tools tab → Accounts (see step 1) → AdvancedMore Options…. and set Authentication as Use Incoming Server Info from the dropdown menu. Click OK.

 Set Authentication as Use Incoming Server Info
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7. Click Advanced and go to the Folders tab. Set Sent to Don’t store a copy of sent messages. Proton Mail Bridge will copy items into your Sent folder automatically when successfully sent.

Set Drafts to Drafts (On My Computer) to store drafts locally. Junk and Trash should use Outlook’s default settings (shown below).

Set Drafts to Drafts (On My Computer)
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8. Outlook will now fetch your emails, which can take up to five minutes. You can send emails immediately. 

You are now configured!
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Note that when you create a draft in Outlook, it will only be saved and be accessible on the device that Outlook is installed on. You can now use Outlook 2016 with Proton Mail Bridge.

Notes

1. In split addresses mode every IMAP account that you set up with Proton Mail Bridge is address-specific and will only be able to send and receive emails from the address it is set up with.

You can add any number of addresses to Outlook, but wait for one address to download before adding another.

Split address mode
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2. In combined addresses mode, Outlook has no way to add more than one address to send with.

3. Keeping Outlook’s built-in spam filters enabled in addition to using Proton Mail’s spam filters provides additional spam filtering that uses the body of your messages to help detect spam. Any spam senders detected in this way will be added to your Proton Mail blacklist.

However, if you wish to disable Outlook’s spam filters and rely solely on Proton Mail’s spam filters, ensure that the Safe Senders and Blocked Senders lists are empty.

Adjust spam filter settings
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