Set up your 1und1.de | The Correct IMAP and SMTP Settings


How to access your 1und1.de Account from any Email app using the right configurations

Instead of using 1und1.de's webmail interface, you can use mobile and desktop email apps like BlueMail, Outlook, Apple Mail, or Mozilla Thunderbird. Desktop email apps offer multiple features along with quicker access, and your emails are still available on your computer or mobile phone even when you're offline.

Setup Your 1und1.de Account with Your Email app Using IMAP:

To access your 1und1.de account from a desktop email app or a mobile email app, you will need to configure the IMAP or POP3 and SMTP settings as shown below:

1und1.de - Incoming (IMAP)
Server:imap.1und1.de
Port:993
Security:SSL/TLS
Username:Your email address
Password:Your 1und1.de password
1und1.de - Outgoing (SMTP)
Server:smtp.1und1.de
Port:465
Security:SSL/TLS
Username:Your email address
Password:Your 1und1.de password
To setup additional providers: