Is sm51.pl valid?

Domain: sm51.pl

Valid: Yes

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

Tested MX: mx01.agnat.pl (193.239.44.66)

Using MX pointer mx01.agnat.pl from DNS with priority: 10

Block: No

You do not need to block this domain for signups/registrations.

Disposable: No

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

Raw API reason:

No anomaly detected

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