I'm having difficulty with a couple of Zoho mail accounts, having disabled a couple of email accounts, I am unable to re-enable the Incoming mail service - the following message appears " Operation permitted for paid user(s) only."

The email accounts in question are:

info[at]harlequinstageschool.co.uk

and

annika[at]harlequinstageschool.co.uk

Any help on getting these re-enabled would be greatly appreciated.

Many thanks