Verified domain, SES authentication refuses emails.

Question

Hi, I found myself in a weird situation were I have a verified domain, let's say xyz.com but SES refuses emails despite the domain being verified.

- The account is out of the sandbox.
- I have successfully verified the domain.
- I have successfully sent myself an email from the SES testing, the email came as follows:

* from:	mktg@xyz.com
* to:	(my personal email)
* date:	Mar 23, 2022, 4:44 PM
* subject:	fdfdfdf
* mailed-by:	custom.xyz.com
* signed-by:	xyz.com
* security:	 Standard encryption (TLS)

However, when I send an email from my aplication on behalf of (from) mktg@xyz.com, I get this error msg:
"Expected response code 250 but got code "554", with message "554 Message rejected: Email address is not verified. The following identities failed the check in region EU-CENTRAL-1: mktg , mktg@xyz.com "

Note: mktg@xyz.com is not the real mailbox and xyz.com is not the real domain.

Answer

1. Have you done "Create an MX record in the Route 53"? [Reference here](https://docs.aws.amazon.com/ses/latest/dg/receiving-email-mx-record.html)
2. How about AWS Workmail? It is much friendly, but might not meet your needs
3. I have a [note](https://haitran-swincoffee-demo.s3.ap-southeast-1.amazonaws.com/customdomain-ses-workmail.html) here when I tried SES with save emails into S3

Verified domain, SES authentication refuses emails.

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