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Chris Mathis

Which Alt-N products do you use?

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SPF DKIM DMARC Authentication - DNS - 07:53am Jun 17, 2020 CDT - My MDaemon Pro 16.04 Setup Windows 2012 R2 (domains and IP's changed)

mail.PrimaryDomain.com IP:

I have a number of other domains on the same server, each domain pointing to/using the same SMTP host name and IP under Setup > Domain Manager.

domain2.com > mail.PrimaryDomain.com IP:

domain3.com > mail.PrimaryDomain.com IP:

So all mail domains are using the primary domains SMTP settings: mail.PrimaryDomain.com IP:

Is this ok?


Next under Security Settings > Sender Authentication

I would like ALL mail to go through SPF verification so SPF is enabled...


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