Account blocked

Account blocked

Hello everybody,
I'm mainly using Zoho mail on a computer (free plan)
I tried to set up on my Android cell phone and did the big mistake to use the famous K9 client.
As a result, I can't receive messages anymore. I assume the limit of 20 
IMAP connections is  outdated .

Would it be possible to reset my account, in order to configure Zoho in an other app, consuming less (I hope) ?

Thanks in advance.
Best regards.