swaks  -s 162.150.58.173 --auth-user <UID> --auth-password <password> -f
test_sender@cable.comcast.com -t test_rcpt_123@comcast.net --header
'Subject: 20141212' --xclient "ADDR=25.25.25.25 NAME=bob.comcast.net"
=== Trying 162.150.58.173:25...
=== Connected to 162.150.58.173.
<-  220 2.0.0 mdpapp-ch2-1p.sys.comcast.net ESMTP ecelerity 4.1.0.46072
r(Core:4.1.0.2) Wed, 28 Jan 2015 21:57:14 +0000
 -> EHLO aa-tools-ch2-01p.novalocal
<-  250-mdpapp-ch2-1p.sys.comcast.net says EHLO to 162.150.4.90:38147
<-  250-XREMOTEIP
<-  250-XCLIENT
<-  250-AUTH=LOGIN
<-  250-AUTH LOGIN
<-  250-8BITMIME
<-  250-ENHANCEDSTATUSCODES
<-  250 PIPELINING
*** Host did not advertise XCLIENT
 -> QUIT
<-  221 2.3.0 mdpapp-ch2-1p.sys.comcast.net closing connection
=== Connection closed with remote host.

