And it's DONE! The closing part "E-Mail Done My Way, Part 4 - The final stuff" is now published. Fail2ban, checks - all at https://jan.wildeboer.net/2022/09/Email-4-Finals/ - comments to this toot will show up as comments on the blog through Magic! Sorry, Twitter friends - a #mastodon exclusive. Enjoy!
@jwildeboer Thank you or this nice evening lecture about email servers. It took out a lot of the mystery what dmarc dkim and spf do and email servers seem to be a lot simpler than I thought before.
Mastodon instance for people with Wildeboer as their last name