Your sending domain

Send Geenius Newsletter issues from your own domain: add it, and the check shows whether SPF, DKIM and DMARC are in place and which record to add.

Updated 22 October 2026 · View as Markdown

Issues go out from your own domain, so readers see your name and mail providers can trust it.

  1. Add the domain of your publication.
  2. Run the check. It looks up SPF, DKIM and DMARC.

A DMARC record to start with, if you have none (replace the address with your own):

text
_dmarc.letters.example.com  TXT  "v=DMARC1; p=none; rua=mailto:dmarc@example.com"
  1. Add any missing record shown, at the company that runs your DNS, then check again.

The check only reads your DNS; it changes nothing.