Is smile.seoul.com valid?

Domain: smile.seoul.com

Valid: Yes, but should be blocked

This domain is valid and should be able to receive e-mail.

Tested MX: inbound-smtp.us-west-2.amazonaws.com (52.43.162.244)

Using MX pointer inbound-smtp.us-west-2.amazonaws.com from DNS with priority: 10

Block: Yes

You should block this domain for signups/registrations.

Disposable: No

This does not look like a temporary/disposable e-mail domain.

Raw API reason:

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