Bouncing Emails

Bouncing Emails

Hello. I moved my hosting to a new host, but still pointed the MX Details to zoho. However, we now have bouncing emails especially when we send from one email to another on the same domain. E.G sending am email from finace@zoho.com to admin@zoho.com, it bounces. 
The SPF and DKIM have been verified and approved, as shown in the dashboard. Kindly assist