swaks: 20190914.0 -> 20201014.0
https://jetmore.org/john/code/swaks/files/swaks-20201014.0/doc/Changes.txt
https://www.jetmore.org/john/blog/2020/10/swaks-release-20201014-0-available/
https://www.jetmore.org/john/blog/2020/10/swaks-release-20201010-0-available/