[CentOS] mailgraph pages are in German

Fri Feb 24 19:30:37 UTC 2017
Robert Moskowitz <rgm at htt-consult.com>

I was pointed to mailgraph, and it looks kind of interesting.

So I installed the rpm, only to find that it comes up in German. The 
German is hard coded into places like:

/usr/share/mailgraph/mailgraph.cgi

Anyone know where I can get an English version?

thanks