How to setup DMARK in WHM

What is DMARK? Click Here



Step 1.


Login to WHM


Step 2.


Navigate to Home > DNS Functions





Step 3.


Navigate to Home > DNS Functions > Edit DNS Zone





Step 4.


Choose the Zone to Edit & click 'Edit' button





Step 5.


Add an entry below the line





Here you must choose how you want receiving servers to handle email from your server that fails DKIM and SPF validation


None
v=DMARC1; p=none; sp=none; rf=afrf; pct=100; ri=86400
Reject *
v=DMARC1; p=reject; sp=none; rf=afrf; pct=100; ri=86400
Quarantine
v=DMARC1; p=quarantine; sp=none; rf=afrf; pct=100; ri=86400








As an alternative you can have your server email you a report of failed DMARC validations by adding an email address, as follows

None
v=DMARC1; p=none; sp=none; ruf=mailto:username@example.com; rf=afrf; pct=100; ri=86400
Reject
v=DMARC1; p=reject; sp=none; ruf=mailto:username@example.com; rf=afrf; pct=100; ri=86400
Quarantine
v=DMARC1; p=quarantine; sp=none; ruf=mailto:username@example.com; rf=afrf; pct=100; ri=86400







* Recommended


Step 6. - optional


Check your DNS enry has been added to DNS zone





After propogation of your DNS you can check your DMARK record in a DMARC Record Lookup external diagnostic tool like MX Toolbox.