The basic anti-spam of Virtualmin is good, but sometimes spam still gets through.
I would like to improve the spamchecking with Razor and Pyzor.
Does anybody have any experience with these 2 filters?
does anybody have some tips/tutorials how to install them easily into a webmin installation?
I don’t have a tutorial for them, but I’ve seen reports in the community from people who do indeed use those.
You should be able to install the dependencies for that, and then configure SpamAssassin to make use of them.
I think Pyzor might be a good place to start… there are some details about that on the SpamAssassin site: