Network Security - Spam Filter
The "Spam Filter" module provides you with the instruction and computer hardware to develop your hands on skills in the defined topics. This module includes the following exercises: Configuring an Email Service, Configuring a Mail Client, Using Telnet to Spoof a Sender.
The Spam Filter module provides you with the instruction and computer hardware to develop your hands on skills in the defined topics. This module includes the following exercises:
- Configuring an Email Service
- Configuring a Mail Client
- Using Telnet to Spoof a Sender
Exercise 1 - Configuring an Email Service
In this lab you will configure a mail server based on LAMP and then practice sending unsolicited commercial e-mail or junk e-mail via a Telnet prompt. You will enable an e-mail client using Windows Live Mail and find out how it’s basic junk e-mail feature filters out unwanted e-mail from reaching its inbox . To better understand this technology, refer to your course materials.
In Ubuntu you can use a package called postfix to implement SMTP email transfer (a Mail Transfer Agent [MTA]) and dovecot to implement POP or IMAP mailbox access (a Mail Delivery Agent [MDA]).
Exercise 2 - Configuring a Mail Client
The next step is to configure a client mail program to test that the mail service in LAMP server is working.
Exercise 3 - Using Telnet to Spoof a Sender
Running an SMTP service without authenticating connecting users or computers is not a good idea. You can easily use a Telnet session to spoof the sender's email address.
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