Successfully detected the MX record for subdomain but NOT WORKING

Question

Hi,  
  
Received this email last thursday: Congratulations! Amazon SES has successfully detected the MX record required to use email.mydomain.com as a custom MAIL FROM domain for verified identity mydomain.com in AWS region US East (N. Virginia).  
  
But nearly a week later my emails are still being sent with the following:  
  
mailed-by:	amazonses.com  
signed-by:	mydomain.com  
  
My settings are to use amazonses.com if no MX record is found - so this means that Amazon hasn't found the MX record for email.mydomain.com.  
  
I spoke to my web host (Bluehost) and they told me that the MX record good on their end - they suggest it is on your end.  
  
Please help!  
  
Chris

Answer

For anyone in the future who has this problem - it's because I had my domain (mydomain.com) AND my email address for that domain (chris@mydomain.com) validated. Amazon prioritised my email address instead of my domain. So I deleted my email address identity and that fixed the problem.

Successfully detected the MX record for subdomain but NOT WORKING

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