DMARC when using your domain name

If you are using your domain name, say

Then your DMARC setting can influence the look of your outgoing email.

DMARC forces mailing lists to alter the From: header

So if your subscriber posts a message, and their domain name has DMARC turned on, will alter the From: header

For example, Yahoo has DMARC turned on, telling the world that any email from a Yahoo address, must come from it's list of designated IP addresses.

Instead of

From: Suzi  Q <> changes that to

From: Suzi  Q (SuziQ at <>

Where youremailgroup is the name of your mailing list.

If DMARC is turned on for your base domain name or lists domain name

That is, the policy is Reject or Quarantine for or

Then the From header needs to be from and not your domain name.

From: Suzi  Q (SuziQ at <>

Set your lists domain name to a policy=None

To keep your domain name in the From: header

From: Suzi  Q (SuziQ at <>