From mboxrd@z Thu Jan  1 00:00:00 1970
From: horserivers@gmail.com (horseriver)
Date: Fri, 25 Jan 2013 14:13:23 +0800
Subject: How to know the default mail delivery agent ?
Message-ID: <20130125061323.GA3280@debian.localdomain>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

hi:
  
  I have to know the default mail delivery agent on my system to configure mail client.
  Is there mothod?

  
  How  mail delivery agent work for receiving mails?

thanks!