How to Configure SMTPs
Configuring Microsoft SMTP service is one of the steps to enabling incoming email. The SMTP protocol routes email to the next server so that email packets reach the intended recipients. It also hosts relay services, so email packages are "bounced" off the local SMTP to the next one until they reach their destination. SMTP is configured using the Internet Information Service (IIS) console.
Instructions
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1
Click the Windows "Start" button and select "Settings." Click the "Control Panel" option.
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2
Double-click the "Administrative Tools" icon. Finally, double-click the "Internet Information Services (IIS)" icon. This opens the console for SMTP configuration.
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Right-click the "Default SMTP Virtual Server" icon on the left side of the console panel. Select "Properties" from the menu.
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Click the "General" tab. Select "All Unassigned," which causes all SMTP packets to route through this server. Click the "OK" button to set the properties.
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Click the "Access" tab. These settings are used to restrict relaying by unauthorized computers. This limits usage from people using your SMTP server to relay spam or inappropriate email.
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Click the "Relay" button in the "Relay Restrictions" section.
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Click the selection that says "Only the List Below" and click the "Add" button. Select your local users group for the internal domain and press "OK."
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Press "OK" at the general properties window and close the IIS console.
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