Part 14: Infrastructure essentials Blogcast – Preparing to receive mail through SMTP transfer

Continuing the blogcast series on infrastructure essentials.

This next blogcast raises the bar in terms of email retrieval. In the previous part, we were using POP3 email retrieval, similar to many home users retrieve email from an ISP hosted mailbox. This solution isn't necessarily ideal for business users, firstly it is relatively "high maintenance" in that you need to perform user mapping between ISP mailboxes and domain users, and secondly, there will be an inherent delay as your server is periodically polling for new email, rather than reactively being told that email is ready to be received.

In this blogcast and the next, we look at using SMTP transfer. This involves creating an MX (Mail Exchanger) DNS record on our ISP to tell the worlds email servers where they should connect to when they have an email for our organisation. We attempt to send an email internally, and use a network analyser and ISA monitoring to determine why we receive an NDR (Non Delivery Report) back to the sender. This will be fixed tomorrow 🙂

Click here to view.

Series Index:

0. Network configuration and series background.
1. Getting started
2. ISA Server configuration to allow basic web browsing capability
3. ISA Firewall Client basic configuration
4. ISA Firewall Client auto-detection through WPAD configuration
5. Configuring an Exchange mailbox and Outlook profile
6. Fixing 0x8004010F on Outlook send/receive
7. Installing our first Certificate Authority
8. Publishing OWA through ISA using Forms Based Authentication
9. OWA /exchange redirection
10. OWA nearly goes SSL - we have a certificate
11. OWA is available over SSL/HTTPS
12. Sending external email - Configuring outbound SMTP
13. Mail retrieval through POP3 polling

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