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Email Clients

Email Clients

information

This page describes which email clients we support and how they are configured when integrating them.

If you do not have or do not want to use an email client, you can access the RWTH MailApp (opens in new tab) via your browser.
For information on how to log in to the RWTH MailApp, please refer to the page RWTH MailApp Login.


Supported email clients

The following email clients are compatible with RWTH email accounts.

 

General configuration

The information provided here is generally used for integrating an RWTH email address into an email client.
For detailed instructions on supported email clients, please use the links under Supported email clients or the navigation bar on the left side of the screen.

Please note the distinction between email address/sender address (vorname.nachname@rwth-aachen.de) and user name (ab123456@rwth-aachen.de).

The integration of functional mailboxes for which you have full access/send as permissions differs from the general configuration. If you need to enter other data, this is noted in the table below.
Exemplary Instructions for integration can be found in the article on Thunderbird

FeldnameInhalt
E-mail-address/Sender-address

The actual email address displayed:

For personal mailboxes: “firstname.lastname@rwth-aachen.de” (standardized in this format, possibly with multiple first/last names or a number appended for people with the same name)
For official mailboxes: “lastname@organizationalabbreviation.rwth-aachen.de” (standardized in this format, the spelling can be determined by the organizations themselves and may therefore vary)
For functional mailboxes: “postboxname@rwth-aachen.de” or “postboxname@organizationalabbreviation.rwth-aachen.de

User name

The name of the RWTH email account in IdM Selfservice (opens in new tab):

For personal mailboxes: “username@rwth-aachen.de” (standardized in the format “ab123456@rwth-aachen.de”)
For work mailboxes: “username@organizationalabbreviation.rwth-aachen.de” (standardized in the format “ab123456@organizationalabbreviation.rwth-aachen.de”)
For functional mailboxes: “fkt_postboxname@rwth-aachen.de” or “fkt_postboxname@organizationalabbreviation.rwth-aachen.de” (If the mailbox is integrated directly by the owner)
username@rwth-aachen.de/fkt_postboxname@rwth-aachen.de" or ”username@organizationalabbreviation.rwth-aachen.de/fkt_postboxname@organizationalabbreviation.rwth-aachen.de"
(If the mailbox is integrated by a person who has been granted full access / send as permissions for the mailbox)

PasswortThe password you set for the respective RWTH email account in RWTH Selfservice.
How to reset your password is described in more detail in the article Changing your mailbox password.
POP3-Servermail.rwth-aachen.de (SSL Port 995); Note: The POP3 protocol can be used, but is not recommended, as emails are downloaded to the respective client and deleted from the server.
IMAP-Server (incoming mail server)mail.rwth-aachen.de (SSL/TLS Port 993)
SMTP-Server (outgoing mail server)mail.rwth-aachen.de (StartTLS Port 587) (only with authentication)

last changed on 08/19/2026

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