SES problem : Emails routed to SES incorrectly.

Question

Hi,

I've got a problem where some users are reporting emails being bounced back to them as undeliverable due to "mailbox does not exist".

What I think has happened is I verified a domain so I could send email "from" that domain. But now, if someone else is using SES to send email, SES intercepts the email, cannot find a mailbox so returns it as undeliverable. I don't want to receive emails via SES, why is SES intercepting them and how do I turn it off?

Thanks in advance,

Tony.

HelpfulEngineer · Answer

I suspect the cause is that during configuration, you may have added an MX record that points to amazonses.com .

More specifically, when doing domain verification and configuration, if you do not choose a custom subdomain for SES email, your current domain is provided as the MX record like:
`MX domain.com 10 configname-smtp.region.amazonses.com`

But if you set a custom FROM domain, like "appemail.domain.com", you can then remove the plain MX record from above that's killing your email, and use the one with the subdomain instead (which would look like):
`MX appemail.domain.com 10 configname-smtp.region.amazonses.com`

SES problem : Emails routed to SES incorrectly.

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