Setting Up Outlook (IMAP)

Synchronize your GMX mailbox with Outlook. Your email will be sent to your application in regularly intervals using IMAP.

To synchronize your emails with IMAP or POP3 you need to activate this feature in your GMX account. Click Email → Settings → POP3 & IMAP → Send and receive emails via external program [...]. Confirm the altered settings by clicking Save and start your external email program.
Click File → Info → Add account.
The Outlook wizard for setting up a new account will open.
Enter an email address to add your account.
Click Advanced options and check the box for Let me set up my account manually.
Click Connect.
Choose the account type IMAP.
The dialog IMAP Account Settings will open up.
Use the following settings:
1. Incoming mail: Server imap.gmx.com with port 993 and check the option This server requires an encrypted conncetion (SSL/TLS)
2. Outgoing mail: Server mail.gmx.com with port 587 and the encryption method STARTTLS
Please note:
You can only use a TLS protocol if your email program uses TLS versions 1.2 or 1.3. For security reasons, we no longer support the older TLS versions 1.0 and 1.1.
Click Connect.
A login dialog will appear.
Enter your email-address and your password, check Save the password in your password list and click OK.

Outlook 2016 will now sync with your GMX account.

Click File, then Info and the Add Account button.
Select Manual setup or additional server types and click on Next.
Select POP oder IMAP and click Next.
Enter your name and email address. Select IMAP for the account type and enter imap.gmx.com as incoming server and mail.gmx.com. Enter your GMX username and password. Click More Settings.
Select the Outgoing Server Tab. Check My outgoing server requires authentication.
Select the Advanced tab. Enter 993 next to Incoming Server and select SSL as encrypted connection type. Enter587 next to Outgoing Server and select TLS as as encrypted connection type (a). Click OK (b) and Next (c).

Please note:
You can only use a TLS protocol if your email program uses TLS versions 1.2 or 1.3. For security reasons, we no longer support the older TLS versions 1.0 and 1.1.
Click Finish.

Outlook 2013 synchronizes with your GMX mailbox.

Click File, then Info in the submenu and the Add account button.
Select Manually configure server settings or additional server types and click on Next.
Select Internet Email and click on Next.
Enter your name and email address. Select IMAP for the account type and enter imap.gmx.com as incoming server and mail.gmx.com as outgoing server. Enter yourGMX username and password. Uncheck Test Account Settings by clicking the Next button. Click on More Settings.
Select the Outgoing Server tab. Check My outgoing server requires authentication.
Select the Advanced tab. Enter 993 next to Incoming server and select SSL as encrypted connection type. Enter 587 next to Outgoing server and select TLS as encrypted connection type (a). Click OK(b) and on Next (c).

Please note:
You can only use a TLS protocol if your email program uses TLS versions 1.2 or 1.3. For security reasons, we no longer support the older TLS versions 1.0 and 1.1.
Click on Finish.

Outlook 2010 synchronizes with your GMX mailbox.

Next step: You need to link the folders so that your email will be filed in the correct folders.

Click on Account settings in the File menu and on the button which appears with the same label.
Select your GMX email address and click on Change.
Click on More Settings.
Switch to the Sent Items tab and select the Sent folder.
Switch to the Deleted Items tab and select the Delete folder.
Confirm by clicking OK and Next.

Outlook 2010 will test the settings.
Finish the account set-up by clicking on Finish.

Outlook 2010 will file the email in the respective folders.

See also