Quoting Arnt Gulbrandsen (arnt@???):
> Nate Bargmann writes:
> >I've also used Procmail for an
> >equal length of time and it is now claimed to be "unmaintained".
> 
> Who claims that?
Best coverage is in LWN.net.  On the one hand, there is no longer an
upstream maintainer, but on the other hand, none is really needed.
https://lwn.net/Articles/416901/