I tried to send an email to my zoho account however it failed to send through. It stated that the user doesn't exist but I am still able to send email to others. 

Delivery to the following recipient failed permanently:

      preeyakorn@youngaseanminds.co

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain  youngaseanminds.co  by mail.youngaseanminds.co . [108.167.142.63].

The error that the other server returned was:
550 No Such User Here


----- Original message -----

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Date: Thu, 7 Apr 2016 13:38:51 +0100
Message-ID: <CAG8zKH6QN3-0R80Ta+fpWwqTn= 90hr1aW7ypPz9iSgDxt3bbaQ@mail.gmail.com >
Subject: test
From: Pan Preeyakorn < panpreeyakorn@gmail.com >
To: Pan Preeyakorn < preeyakorn@youngaseanminds.co >
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Thank you.