On Wed, 2006-09-20 at 05:12, abhishek singh wrote:
yes i am using SMTP Authentication , but when i m doing telnet to my server on 25 port so i am able to send mail by unknow user that in in not my mail server like
mail from: abs@domain.com
this command is showing Sender is ok while its not user in my mail server.after that
The stock Centos configuration should reject everything that doesn't come from the localhost unless you make changes to /etc/mail/access to permit it. Are you doing this test from the local host?