Oops, my bad: uid 785 was just reserved for _uucp. The updated port/patch attached. Sorry for the noise.
-- With best regards, Pavel Korovin
riemann.tar.gz
Description: application/tar-gz
Index: user.list =================================================================== RCS file: /cvs/ports/infrastructure/db/user.list,v retrieving revision 1.287 diff -u -p -r1.287 user.list --- user.list 18 Dec 2016 19:48:29 -0000 1.287 +++ user.list 20 Dec 2016 21:45:59 -0000 @@ -294,3 +294,4 @@ id user group port options 783 _rmilter _rmilter mail/rmilter 784 _hping _hping net/hping 785 _uucp _uucp net/uucp +786 _riemann _riemann sysutils/riemann