She didn't send more than 30 emails today but the account is blocked. I need fixed this issue asap. 

Error Message:

"Dear User,

Saída de emails bloqueada. Motivo: Mail rate exceeded limit 

However, we realised that this might have been unintentional. To unblock, please click here.

Thanks,

Zoho Mail Team"

The "click here" link doesnt work, too.