Every mailbox handled by the mail server in theagh.edu.pl domain has an anti-spam filter, which redirects unwanted messages to the SPAM folder. This mechanism is one of the elements protecting the mailbox against unwanted emails.
Filter name:Spam Assassin (it can also be any other name associated with an anti-spam filter)
Filter enabled: Click the checkbox
In the "For incoming mail" section, you should: select the option "matching all of the following rules", then click the first drop-down menu to expand the list, select: X-Spam-Status, click the second drop-down menu and from the list select contains, and in the text field enter: Yes, score=
If the X-Spam-Status option is not available in the drop-down list, you must add it manually by selecting the field with three dots …, and then entering X-Spam-Status into the first field.
In the "...execute the following actions:" section, select in order: "Move message to"; "Spam"; "Stop evaluating rules"