> Is there a way to permit relaying some hosts only if the "From:" > line is local? > > I mean, relay *.edu.uy only if From: *@fcien.edu.uy. Do you mean to accept the mail regardless of where it *actually* comes from as long as the From line *says* that it comes from edu.uy? That would be bad. Pete -- http://www.elbnet.com ELB Internet Services, Inc. Web Design, Computer Consulting, Internet Hosting