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GMX Mail IMAP, POP and SMTP settings

The server names, ports and sign-in details you need to add GMX Mail to Outlook, Apple Mail, Thunderbird or any other email app.

By David Ray · Updated October 17, 2026 · How we research

Quick answerIncoming (IMAP): imap.gmx.com, port 993, SSL/TLS. Outgoing (SMTP): mail.gmx.com, port 587, STARTTLS.

GMX Mail server settings

TypeServerPortSecurity
IMAP (incoming)imap.gmx.com993SSL/TLS
POP (incoming)pop.gmx.com995SSL/TLS
SMTP (outgoing)mail.gmx.com587STARTTLS
SMTP (outgoing)mail.gmx.com465SSL/TLS

Username and password

Username: Your full GMX address.

Password: Your GMX password. If you turn on two-factor authentication, GMX asks you to create an application-specific password for mail apps.

Good to know

How to set it up in a mail app

  1. Open your mail app and choose to add an account. If it offers "Other", "Manual setup" or "Advanced", pick that.
  2. Choose IMAP (recommended) or POP.
  3. Enter the incoming and outgoing servers, ports and security from the table above.
  4. Use the username and password described below.
  5. Turn on "Outgoing server requires authentication" and use the same username and password.

If it doesn't work

Login fails with the right password
Turn on POP3 and IMAP access in GMX settings first.

Getting a bounce with a code like 550 or 5.7.26 when you send? Look it up in the SMTP error code library.

Questions people ask

What is the GMX IMAP server?
imap.gmx.com, port 993, with SSL/TLS.
What is the GMX SMTP server?
mail.gmx.com, port 587, with STARTTLS.