If you use an Exchange e-mail account, you can recover deleted e-mails within 14 days after you permanently deleted them.
In the Exchange e-mail system, you delete e-mails in most e-mail programs (like Outlook, for example) in 2 steps:
Please proceed as follows to recover a permanently deleted e-mail within 14 days after it has been deleted:
3. Another window will open (if this does not happen automatically, you need to enable pop-ups for https://exchange.uni-mannheim.de in your web browser) and will show all e-mails you deleted within the last 14 days.
4. Another window will open and inform you that the e-mails will be recovered in the original folders (in which you deleted them, if the folders still exist).
The e-mail could thus be recovered in the “Inbox”, “Deleted items” or “Sent items” or another location. Confirm by clicking “OK”: