Here is a small application in Python for sending email messages via SMTP
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#!/usr/bin/python
import smtplib
fromAddr = raw_input(‘From: ‘)
toAddr = raw_input(‘To: ‘)
Subject = raw_input(‘Subject: ‘)
Message = raw_input(‘Message: ‘)
Email = ‘Subject: ‘+Subject+’\n\n’+Message
Server = smtplib.SMTP(“BlackPearl”,25)
Server.sendmail(fromAddr, toAddr, Email)
print ‘Your Email has been sent to ‘, toAddr
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If your system has two users “root” and “leaf” you should have two email accounts [...]