SMTP is core to the Exchange 2003 product, used both for inter-server and internet traffic. This section covers the configuration of SMTP features and how to get them to work in the way that you need them to on your Exchange 2003 Server.
SMTP
- Using Exchange as a a Backup SMTP Server
- Create and Configure an SMTP Connector
While Exchange 2003 can send email to the internet with no additional configuration, if you want more control, and/or need to send email via your ISPs SMTP server, then you will need to use an SMTP connector. - Internal Email Address for External People
Give someone outside of your network an email address in your domain. - Restricting Users from Sending and Receiving Internet Email
- Co Exist With Another SMTP Server
- Using the Same Domain on Two Separate Sites
- Migrating from POP3 Connector Delivery to SMTP Delivery
Mainly written for SBS 2003 users, migrating to SMTP delivery can make your email handling a lot more efficient.
Anti Spam, Cleaning up after a spam attack and securing the server.
- NDR and Open Relay Spam Clean Up
If your server has been abused, this guide will show you how to clean up and find out what happened. - IMF - Intelligent Message Filter
IMF is the anti-spam filter built in to Exchange 2003 SP2. - Securing an SMTP Relay Server
If you need to allow relaying through your Exchange 2003 server, then lock it down so that the facility cannot be abused. - Filter Email for Unknown Users
Dropping email for unknown users is a very effective way in reducing the amount of email your server has to process. - Email Black Hole
An alternative to filtering email at point of delivery is to send certain addresses in to a black hole.
Relevant Blog Postings from the Sembee Blog.
- Why you shouldn't use a POP3 Connector
This blog article provides resolutions to the main arguments for using a POP3 connector, rather than native SMTP Delivery. - Routing Groups and SMTP Virtual Server Issues
This blog posting details the problems with SMTP virtual server configuration on Exchange 2003 and routing groups. - Usernames Tried During Authenticated User Attack
This blog posting outlines some of the usernames that were tried during an authenticated user attack. - Experiences with Greylisting
In this blog posting, the site author shares some of his experiences with the anti-spam technique greylisting. You should also deploy the hotfix from this article: Hotfix for the Exchange 2003 Greylisting Bug - The Problem with Backup MX Services and an Alternative
A common request is for Backup MX Services, which your ISP may offer. This blog posting explains why they are not a good idea and an alternative.
Exchange 2003 Home Page - Site Home Page
Last Page Update: 13/02/2011
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