T-Online (Telekom) IMAP, POP and SMTP settings
The server names, ports and sign-in details you need to add T-Online (Telekom) to Outlook, Apple Mail, Thunderbird or any other email app.
Quick answerIncoming (IMAP):
secureimap.t-online.de, port 993, SSL/TLS. Outgoing (SMTP): securesmtp.t-online.de, port 465, SSL/TLS.T-Online (Telekom) server settings
| Type | Server | Port | Security |
|---|---|---|---|
| IMAP (incoming) | secureimap.t-online.de | 993 | SSL/TLS |
| POP (incoming) | securepop.t-online.de | 995 | SSL/TLS |
| SMTP (outgoing) | securesmtp.t-online.de | 465 | SSL/TLS |
Username and password
Username: Your full t-online.de address.
Password: A separate email password (Passwort für E-Mail-Programme), set in the Telekom Login settings. Your Telekom login password won't work.
Good to know
- SMTP also works on port 587 with STARTTLS.
How to set it up in a mail app
- Open your mail app and choose to add an account. If it offers "Other", "Manual setup" or "Advanced", pick that.
- Choose IMAP (recommended) or POP.
- Enter the incoming and outgoing servers, ports and security from the table above.
- Use the username and password described below.
- Turn on "Outgoing server requires authentication" and use the same username and password.
If it doesn't work
- "Password incorrect"
- Set an email password for mail programs in your Telekom account and use that.
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 T-Online IMAP server?
- secureimap.t-online.de, port 993, with SSL/TLS.
- What is the T-Online SMTP server?
- securesmtp.t-online.de, port 465 with SSL/TLS or 587 with STARTTLS.
Sources checked