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Prolateral offers primary and backup domain (DNS) services, with servers in key geographic locations providing the best service possible.

SMTP 5.1.2 Error when sending an email

Problem

SMTP 5.1.2 Error when sending an email, What does it mean?

Solution

SMTP 5.1.2 Error message indicates the domain name is incorrect or doesn't exist in the address the message was sent to.

 

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