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

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.

 

Start sending with outMail...

An outbound SMTP service you can rely on, with great customer satisfaction.

  • Authenticated SMTP
  • Support for SPF & DKIM

What are you waiting for? Give it a try today.

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Disclaimer

The Origin of this information may be internal or external to Prolateral Consulting Ltd. Prolateral makes all reasonable efforts to verify this information. However, the information provided in this document is for your information only. Prolateral makes no explicit or implied claims to the validity of this information. Any trademarks referenced in this document are the property of their respective owners.