This is the header of an email received Sept. 18, 2015:
Please note that the POP/IMAP function will no longer work for your email account
XXXXX@email.com after this month. You will then receive an error message and you will only be able to access your account and emails via the mail.com Webclient or our Mobile Apps if you choose not to upgrade to Premium.
Didn't pay it no mind as I do not use it for anything.