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[[Category:OPS335]][[Category:OPS335 Labs]] ==INVESTIGATION 1MAIL SERVER RESOURCES== Online References: * [https://prezi.com/iuk-advzak_o/mail-servers-postfix/ OPS335 Mail Server Notes ] Course Note providing Concepts and Overview of mail server setup* [http://www.fredshack.com/docs/postfix.html Postfix for Dummies] Good Basic Guide to setup Postfix MTA* [http://www.simplehelp.net/2008/12/01/how-to-send-email-from-the-linux-command-line/ Mail Send Command] (examples how to send e-mail using mail command)* [http: INSTALL //www.johnkerl.org/doc/mail-how-to.html#prompt_commands View and Manage Received e-mail Mesages] (Common commands to view and manage received email messages) ==OVERVIEW & PREPARATION==In order to send e-mail messages '''between your different VMs, a more complex set-up is required'''... This lab will show you how to set up a '''Postfix''' email server ('''MTA''') on your '''VM2''' machine... The '''diagram''' below shows the layout of the what this lab should be able to accomplish: --- Newer Diagram --- ==INVESTIGATION 1: SETUP THE POSTFIX MAIL TRANSFER AGENT ('''MTA''')==
{{Admon/important|Prerequistites|<ol><li>Ensure <u>all</u> machines have been updated and that the '''clocks are set to the correct date and time'''.<br></li><li>Due to the changes made in this lab3, '''you will now need your vm1 running (as the DNS server)''' in order for any of your virtual machines to be able to use the internet.</li></ol>}}
