Free tool
Make a clean email signature that works in any inbox.
Fill in your details and copy a simple, table-based signature that looks the same in Gmail, Outlook and Koltrix. It runs in your browser: nothing is uploaded.
Tired of doing this by hand?
Koltrix generates these records for your domain and checks them live while you set it up. 7 days free, no card.
More free tools: all of them · SPF, DKIM and DMARC explained