Fix email post url

internal/servercore/api.go

@@ -149,10 +149,10 @@ func (s *Server) verifyConfiguration(configuration *server.Configuration) error
 		if !strings.Contains(s.conf.Email, "@") || strings.Contains(s.conf.Email, "\n") {
 			return server.LogError(errors.New("Invalid email address specified"))
 		}
-		t := irma.NewHTTPTransport("https://metrics.privacybydesign.foundation/history/email")
+		t := irma.NewHTTPTransport("https://metrics.privacybydesign.foundation/history")
 		t.SetHeader("User-Agent", "irmaserver")
 		var x string
-		_ = t.Post("", &x, s.conf.Email)
+		_ = t.Post("email", &x, s.conf.Email)
 	}
 
 	return nil