Computer Weekly

Network configuration: IIS SMTP mail relay service and Microsoft Exchange Server

This list is a companion piece to the Secure Web server installation portion of SearchSecurity.com's Intrusion Defense School lesson on Web attack prevention and defense. Check out the companion ...
GitHub

A smarthost is a Mail Transfer Agent (MTA) or mail relay that allows third parties to send emails, which are then forwarded to the recipient's email servers.

This image allows you to run your own smarthost (SMTP relay) service for delivering emails from your websites and applications (such as transactional emails, subscriptions, notifications etc.) as well ...
GitHub

Sendlix SMTP Relay

The Sendlix SMTP Relay is an application that acts as an intermediary between your applications and the Sendlix email sending service. It accepts SMTP connections, authenticates clients, and forwards ...
Ars Technica

Configuration of IIS6's SMTP service?

IIS SMTP configuration is in the IIS MMC (Default SMTP Virtual Server > right click > properties). The problem is that it isn't always visible in the IIS MMC. Wild speculation: I think that the IIS ...