I covered that here: https://www.spamresource.com/2020/07/small-mailserver-best-current-practices.html
Anybody who would like to write up a guide, I'd be happy to publish it on Spam Resource (or link to it if you publish it elsewhere). Feel free to reach out. Cheers, Al Iverson -- Al Iverson / Deliverability blogging at https://www.spamresource.com Subscribe to the weekly newsletter at https://ml.spamresource.com DNS Tools: https://xnnd.com / (312) 725-0130 / Chicago (Central Time) _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
