Some of e-mails, although not spam, arrive at the SPAMBOX folder. What should I do?
Forward the e-mail with full header information and the body part by opening a support ticket via https://itsupport.metu.edu.tr. You can get information about how to view the full header of a message from this link.
If you are using Horde, mark the e-mails that are not spam in your SPAMBOX folder and click Report as Innocent in order to report them as clean to spam filter.