On Tue, 20 Sep 2016 18:56:47 +0100 Groach wrote: > This Spamassassin plugin will allow you to block by country. > > Create the 'nerd.cf' file containing the code, put it in your > spamassasin ETC directory, and uncomment the countries you wish to > block. Full details in the post. > https://www.hmailserver.com/forum/viewtopic.php?f=7&t=29992&p=187520#p187500
It's not a plugin, it's a just a list of dns rules based on zz.countries.nerd.dk. Is the RelayCountry plugin not usable on Windows for some reason?