I use sid-filter as a milter. It work Ok. http://sourceforge.net/projects/sid-milter/ Julio. Yahoo POP wrote: > Does anyone have any experience with adding SPF support to sendmail?? > > Thank you, > > -ed- > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >