Zoho Mail is down- I am not receiving any incoming email - This needs to get fixed ASAP!

Zoho Mail is down- I am not receiving any incoming email - This needs to get fixed ASAP!

I have had a few of clients calling me telling me they have emailed and have not received a response back for some reason I am not getting any emails in, why is this? can it plz be fixed ASAP. I just had my husband try to send me an email and it states 

This is an automatically generated Delivery Status Notification.

Delivery to the following recipients failed.

ladywithapencil84@zoho.com