== quoted-printable, 7bit, 8bit Content-Transfer-Encoding issues ==

[[http://postfix.1071664.n5.nabble.com/On-DKIM-and-Content-Transfer-Encoding-td68767.html|Postfix Users - On DKIM and Content-Transfer-Encoding]]. Setup a dummy smtpd server that will force conversion to quoted-printable (universally supported?)

== Things to try to reduce spam ==

[[https://lwn.net/Articles/768530/|Comment on LWN]] mentions on requiring TLS. Looked at some spam I received, and it was delivered via TLS -- not sure how effective this would be.

[[http://www.mailavenger.org/|Mail Avenger]] can reject e-mail before it's received, and can do things like checking the OS of the sender (i.e. to reject anything Windows).