Index: switch_utils.c
===================================================================
--- switch_utils.c      (revision 17037)
+++ switch_utils.c      (working copy)
@@ -617,7 +617,8 @@
 #ifdef WIN32
        switch_snprintf(buf, B64BUFFLEN, "type %s | %s -f %s %s %s", filename, runtime.mailer_app, from, runtime.mailer_app_args, to);
 #else
-       switch_snprintf(buf, B64BUFFLEN, "/bin/cat %s | %s -f %s %s %s", filename, runtime.mailer_app, from, runtime.mailer_app_args, to);
+       /*switch_snprintf(buf, B64BUFFLEN, "/bin/cat %s | %s -f %s %s %s", filename, runtime.mailer_app, from, runtime.mailer_app_args, to);*/
+       switch_snprintf(buf, B64BUFFLEN, "%s %s < %s", runtime.mailer_app, runtime.mailer_app_args, filename);
 #endif
        if (switch_system(buf, SWITCH_TRUE) < 0) {
                switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unable to execute command: %s\n", buf);