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ProtonMail Email Settings

Last updated: February 21, 2026

How to connect your ProtonMail email account (protonmail.com, proton.me, pm.me) to InflowMail.

Server Settings

Incoming Mail (IMAP)

Server
127.0.0.1
Port
1143
Security
STARTTLS

Outgoing Mail (SMTP)

Server
127.0.0.1
Port
1025
Security
STARTTLS

Supported Domains

These email domains use ProtonMail's servers and will be automatically detected by InflowMail:

@protonmail.com@proton.me@pm.me

Notes

Requires ProtonMail Bridge app to be running locally.

How to Connect ProtonMail to InflowMail

  1. 1 Create an InflowMail account or sign in to your existing account.
  2. 2 Go to Settings > Connected Accounts and click Add Account.
  3. 3 Select IMAP and enter your protonmail.com email address. InflowMail will auto-detect the server settings.
  4. 4 Enter your email password to authenticate.
  5. 5 Your emails will start syncing immediately. The initial sync may take a few minutes for large mailboxes.

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