Important:
In order to access a shared mailbox, the owner must be authorised (full access and/or dispatch authorisation) via PRISMA. In the following example, the address max.muster@uni-bielefeld.de has authorisation for the functional mailbox funktionspostfach@uni-bielefeld.de.

The configuration

1.

New email accounts are configured in Apple Mail via "Mail > Add account ...".

2.

Click on the link "select a provider from the list".

3.

Select other mail account here.

3.

Enter the following data.

Name:
-> Sending name of the functional mailbox (as it should appear when sending an email to recipients)

Email address:
-> email address of the functional mailbox

Password:
-> BITS password of the personal mailbox(!)

Then click on Log in .

4.

Additional information must be entered in this window.

User name:
e-mail address of the personal mailbox, "slash", part of the e-mail address of the function mailbox BEFORE the @ sign. Example:
-> max.muster@uni-bielefeld.de/funktionspostfach

Account type:
-> IMAP

Server for incoming e-mails:
-> imap.uni-bielefeld.de

Server for outgoing e-mails:
-> smtp.uni-bielefeld.de

Then click on Log in .

5a.

The message "Account name/password could not be verified" is displayed. Click on Continue .

6.

Select the desired apps here and confirm by clicking Done .

6a.

If you are asked for a password again, click Cancel .

Further settings must be made in the following.

7.

To ensure that the mailbox is loaded and the login is successful, "Mail > Settings ..." must be opened in the programme.

- Incoming e-mail server settings -

Remove the tick next to Manage connection settings automatically.
Port 993, tick Use TLS/SSL and Password must be set as authentication.

- Outgoing e-mail server settings -

Three changes need to be made:

1. In the field User name of outgoing e-mail server (SMTP), the part of the e-mail address of the function mailbox must be removed again. As shown in the picture.
2. Remove the tick from Manage connection settings automatically.
3. Port 587 and Use TLS/SSL must be set.
4. Setauthentication to password .

The changes are saved via Save .