In the main menu from menu Tools select Account settings...

Choose Add mail account… .

Fill in your name and e-mail address - You can use basic e-mail address in the form student_number@students.ujep.cz or better your_alias@students.ujep.cz .
Due filling pay attention because your address will be used for answering to your e-mails.
If you want the program to remember the password, so enter it and check the Remember password.
Continue by pressing button Continue.

The client attempts to set up an account with the specified e-mail address. That, unfortunately, fails .

Manually edit the server settings as shown below.
Then press the button test again.

If you edited everything correctly you will see notice The Following settings were found by probing the given server. At the same time button Done become accessible.

Then you can even check (or change) your account settings
There are two important sections:
1. Server settings - settings of server for incoming mail
Here are the important values ​​of the Server Address, Port, User Name and Security Settings.

2. Outgoing Mail Server (SMTP) \ \ Here are important all ​​displayed values - Server Address, Port, User name, Authentication Method and Security link.