In any case you should ask the author, as they are currently active on another discussion where they linked their article in a comment: https://news.ycombinator.com/item?id=16238501#16238845
>perlgod: I've spent years tweaking my mail server setup (Postfix, Dovecot, RSPAMD, LDAP...) and did a full writeup a few months ago. I've used other guides online but found most of the rest lacking on details
And yes, damn it. Fixed
In any case you should ask the author, as they are currently active on another discussion where they linked their article in a comment: https://news.ycombinator.com/item?id=16238501#16238845
>perlgod: I've spent years tweaking my mail server setup (Postfix, Dovecot, RSPAMD, LDAP...) and did a full writeup a few months ago. I've used other guides online but found most of the rest lacking on details