Actually there is a folders limit with mail.com
You can a maximum of 250 Folders / Subfolders.
Actually there is on for Prenium User:
For US: +1 855 269-2217
For international Callers: +1 610 560 1452
I have a Premium Account at Mail.com
I was transferring my Outlook emails on Mail.com IMAP.
Doing this I created Folders.
Now I get an error...
Separate names with a comma.