mta-sts

MTA-STS on GitHub Pages

Template repository for hosting mta-sts.YOURDOMAIN/.well-known/mta-sts.txt on GitHub Pages.

For more information about MTA-STS, including details of required DNS record setup and options available, please see this article: https://www.mailhardener.com/kb/mta-sts

Usage

• Add a CNAME DNS record at mta-sts.YOURDOMAIN pointing to GITHUB_USER.github.io..
• Add a TXT DNS record at _mta-sts.YOURDOMAIN indicating the use of MTA-STS, and update the id value on policy change.
• Create a new repository from this template repository.
• Replace YOURDOMAIN with your custom domain in CNAME.
• Update .well-known/mta-sts.txt to set mx directives to match the MX DNS records of your domain.
• Turn on GitHub Pages (Settings > Pages) for the repository, using the root (/) of the main branch as source.
• Turn on Enforce HTTPS setting for GitHub Pages.