On 4/23/2014 5:43 PM, Ricardson Williams wrote: > Yes. I tried also with only quote and the messages still pass. :( > Have you ever used the filter_sender and have you enabled it? For example, in /etc/sysconfig/mimedefang, change this: # If "yes", turn on the multiplexor sender checking function MX_SENDER_CHECK=yes Regards, KAM