Mail Outgoing blocked.

Mail Outgoing blocked.

Dear Zoho team,

We are having a problem sending email from our account littleeinsteinsaddis@zoho.com
 saying that;

Your account littleeinsteinsaddis@zoho.com has been blocked due to security reasons.                  Block Type: Mail Outgoing blocked. 

We need your help unblocking outgoing as urgent as possible.
Kindly,
Biruhe
Little Einsteins Addis Management Team