commands to Test SMTP Mail Server
With this simple commands you can connect to an smtp server and send an email out. The fat written text needs to be replaced! How you can see from there you can set the mail from parameter. That’s why you can never thrust emails from where they come from. It is easy to fake.
C:> Telnet smtp.server.com 25
helo me
mail from: sender@server.com
rcpt to: receiver@server.com
data
From: sender <sender@server.com>
To: receiver@server.com
Subject: This is a test.
This is a test blablababa.
.
quit