Live Postfix Mail Server Training
Our Live Postfix Mail Class is designed to provide the information needed to set up a Postfix mail server. Included are labs that can be performed on a practice server, videos that demonstrate configuration of Postfix, live virtual classroom sessions with an instructor and each student is provided a practice server. The Postfix Mail Server course is 5 weeks long, performed one-on-one for each student so that it can be taken at any time.
Postfix Class Features
The manual is a 500 page 11 x 8.5" lay flat manual with step by step configuration.
The lab projects are provided to give you step-by-step references on how to configure a server and how to set up Postfix. Also included are detailed examples for setting up specific server settings with either CentOS or Ubuntu.
Each student is provided access to videos voice demonstrating how to set up and maintain a Postfix mail server.
Live Virtual Classroom
Students will have one-on-one sessions with an instructor for 2 hours a week for 5 weeks to demonstrate Postfix configuration and so that students can ask questions. These virtual classrooms allow students to talk to the instructor using our voice server and allow them to watch live demonstrations on a live server.
An image for a server will be provided so a Postfix mail server could be set up virtually to provide a practice server.
Postfix Course Outline
Introduction to Mail Servers
The modular design is described with a focus on how mail is transported within Postfix in order to understand the process and path of mail within Postfix.
Setting the identity of the server and checking the configuraiton. This section concludes with methods for evaluating logs, mail limits, queue management and a list of Postfix commands. Special attention is given to the description of Lookup Tables and Maps which Postfix uses to read information and settings.
These restrictions include, communication in the envelope, restrictions on hostname, recipient restrictions, restrictions on the envelope sender,requisition of an existing domain, restrictions on the envelope recipient, and recipient names. Managing these restrictions correctly will save resources, thus money, when employing a Postfix Mail Server.
Relay control is a way to restrict who can send mail through your mail server and is an important step in protecting Postfix from sending SPAM.
Specific methods of controlling SPAM are discussed in tis section. SPAM control methods include; client detection rules, forged addresses, non-routable networks, blackholes, and address sender verification.
Students will learn how to set up and use DKIM for domains.
Dovecot is the secure alternative to Cyrus-IMAP and this section will demonstrate how to configure and employ Dovecot in various situations.
IMAP and SquirrelMail Install
Web based mail is a popular choice and SquirrelMail is one of the easiest alternatives to configure for web based email. This section will discuss the requirements, configuration and settings for SquirrelMail.
Hosting Multiple Domains
Configuring Postfix for multiple domains is an important task as it is a common requirement. This section will describe the steps to separate domains with virtual accounts, create virtual ownership, using virtual domain aliases, creating users, setting IP configurations and providing the configuration required for Cyrus-IMAP or Dovecot to host multiple domains. Using MySQL with virtual domains is also covered.
Mobile Users and SMTP Authentication
This section describes how to configure that option so that qualified users may authenticate and receive mail from anywhere. This section includes SASL authentication, server-side authentication, and relay permissions.
SMTP AUTH and Microsoft Outlook Express
The popular use of Microsoft Outlook and Outlook Express may require you to configure your Postfix Mail Server to be able to service these clients. This section show you how to set that up.
Intro to TLS and SSL
Transport Layer Security (TLS) and SSL are options to provide encrypted email and logins. This section will show you the differences and demonstrate how to configure TLS the more secure option. This will include configuring Dovecot, SquirrelMail, Zimbra Desktop and other client options.
Provide SPAM and Virus Control
Amavisd is configured to provide an option to scan for SPAM and virus activity when mail arrives on the Postfix server. This section will describe the installation of SpamAssassin, ClamAV, the configuration of Perl modules needed for Amavisd, SpamAssassin rules, how to modify SPAM rules, discard SPAM, tests, and virus signature updates as well as whitelists and blacklists for SPAM.
Postfix Mail Gateway
This section will demonstrate scripts that can be run to gather statistics for the mail server. This will provide you with detailed information about specific users and how they are using their mail.
The mail server is in a very hostile environment. This section will show you how protect your mail server for various kinds of attack. It will also discuss how to limit attacks by limiting country subnets.
Specific and common problems are discussed in this troubleshooting section.
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