Email server settings

Hetzner SMTP, IMAP & POP3 settings

Use these settings to add your Hetzner account (your-server.de) to Outlook, Apple Mail, Thunderbird, your phone or any app that sends email over SMTP.

Incoming mail

IMAP

Server
mail.your-server.de
Port
993
Security
SSL/TLS
User name
full email address
Authentication
Normal password

Outgoing mail

SMTP

Server
mail.your-server.de
Port
465
Security
SSL/TLS
User name
full email address
Authentication
Normal password

How to set up Hetzner in a mail app

  1. Choose add account → manual setup (or "other account") in your mail app.
  2. Enter your full Hetzner email address and password.
  3. Pick IMAP for incoming mail and enter the server, port and security from the table above.
  4. Enter the SMTP server for outgoing mail (mail.your-server.de, port 465) and enable authentication with the same login.

If the login keeps failing, enable IMAP/POP access in the Hetzner web settings and use an app password if your account uses two-step verification.

Settings from the Mozilla Thunderbird ISP database (MPL 2.0), which mail clients use for automatic setup.

Hetzner email settings: FAQ

What is the Hetzner SMTP server?

The outgoing (SMTP) server of Hetzner is mail.your-server.de, port 465 with SSL/TLS. Log in with your full email address.

What are the Hetzner IMAP settings?

Incoming mail (IMAP): server mail.your-server.de, port 993, security SSL/TLS, user name: your full email address.

Why does my Hetzner login fail in a mail app?

Most providers block plain password logins from mail apps when two-step verification is on. Create an app-specific password in your account's security settings, or use an app that supports OAuth sign-in. Also check that IMAP or POP access is enabled in the webmail settings.

Email validation API

Validate your-server.de addresses before you send

emailvalidation.io checks syntax, MX records and the mailbox over SMTP, flags disposable, role and free addresses and returns a quality score, in one request.

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GET https://api.emailvalidation.io/v1/info?email=name@your-server.de

{
  "email": "name@your-server.de",
  "domain": "your-server.de",
  "mx_found": true,
  "smtp_check": …,
  "free": …,
  "disposable": false,
  "state": "…"
}

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