i have created a business mail ID just a couple of days back with hexecon.com domain.

Tested few from mine ( ajay@hexecon.com) to my colleague( arun@hexecon.com) was delivering fine and outgoing mail looks fine to gmail & outlook also.

today i tried forwarding some mails from my old gmail ID to Zoho ID things changed.Forwarded in the morning and till now its not received in by Zoho inbox. No any error delivery report or any thing received 

MX record , SPF record & DKIM record are all configured fine. 

User ID : 644951266

Domain : hexecon.com

Please fix this issue asap.