Email Settings for Posteo.eu
Access your Posteo.eu account from your macOS or Windows email client.
How to Set Up Posteo.eu
To set up your email account on macOS or Windows, first download and install the Postbox desktop email app. Next, from the File menu select New > Mail Account, then enter the email settings outlined below.
Email Settings for Posteo.eu
Incoming Server - IMAP
Server: posteo.de
Port: 143
Security: STARTTLS
Username: Your full email address
Password: Your password
Outgoing Server - SMTP
Server: posteo.de
Port: 587
Security: STARTTLS
Username: Your full email address
Password: Your password