In 2013 I wrote up "Maintaining A Publicly Available Blacklist - Mechanisms And Principles" (also https://bsdly.blogspot.com/2013/04/maintaining-publicly-available.html) . TL;DR: blocklisting is a kind of public shaming, be sure your process is verifiable and transparent.

Minor edits today, links to resources and #eurobsdcon inside. #blocklists #spamtraps #antispam #smtp #spamd #openbsd #freebsd #security #cybercrime

In 2013 I wrote up "Maintaining A Publicly Available Blacklist - Mechanisms And Principles" (also https://bsdly.blogspot.com/2013/04/maintaining-publicly-available.html) . TL;DR: blocklisting is a kind of public shaming, be sure your process is verifiable and transparent.

Minor edits today, links to resources and #eurobsdcon inside. #blocklists #spamtraps #antispam #smtp #spamd #openbsd #freebsd #security #cybercrime

Following up on previous, the LinkedIn discussion revealed that there are people who have not heard about greylisting.

So here is my 2012 piece with updates, "In The Name Of Sane Email: Setting Up OpenBSD's spamd(8) With Secondary MXes In Play - A Full Recipe" https://nxdomain.no/~peter/in_the_name_of_sane_email.html

#spamd #antispam #spamd.conf #OpenBSD #blocklists #blacklists #greytrapping #greylisting #spam

Following up on previous, the LinkedIn discussion revealed that there are people who have not heard about greylisting.

So here is my 2012 piece with updates, "In The Name Of Sane Email: Setting Up OpenBSD's spamd(8) With Secondary MXes In Play - A Full Recipe" https://nxdomain.no/~peter/in_the_name_of_sane_email.html

#spamd #antispam #spamd.conf #OpenBSD #blocklists #blacklists #greytrapping #greylisting #spam