{"id":3679,"date":"2023-11-20T15:32:42","date_gmt":"2023-11-20T07:32:42","guid":{"rendered":"https:\/\/www.servergigabit.com\/guide\/?post_type=kb&p=3679"},"modified":"2025-12-29T09:10:13","modified_gmt":"2025-12-29T01:10:13","slug":"email-server-in-windows-server-part-1-comprehensive-guide","status":"publish","type":"kb","link":"https:\/\/www.servergigabit.com\/guide\/kb\/email-server-in-windows-server-part-1-comprehensive-guide","title":{"rendered":"Email Server in Windows Server, Part 1: Comprehensive Guide"},"content":{"rendered":"
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This tutorial will guide you through the process of setting up an email server on a Windows Server<\/a> with a static public IP address. The steps outlined here are applicable to both VPS and dedicated servers. The email server software used in this tutorial is hMailServer, a free and open-source program that offers a simple setup process. In addition to the standard features like SMTP, POP3, and IMAP, hMailServer also has spam detection capabilities and can be integrated with a free antivirus solution like ClamWin.<\/p>\n

Installation<\/strong><\/h2>\n<\/div>\n
Step 1: Install NET Framework 3.5<\/strong><\/h5>\n

hMailServer requires NET Framework 3.5 to run properly.<\/p>\n

Open the Server Manager and follow the prompts to add NET Framework 3.5.<\/p>\n

Step 2: Download and Install hMailServer<\/strong><\/h5>\n

Download the latest version of hMailServer from the official website.<\/p>\n

Execute the installation package and accept the terms of service.<\/p>\n

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Step 3: Configure hMailServer<\/strong><\/h5>\n

Open the hMailServer Administrator application. Enable the “Automatically connect on Start-up” option and click “Connect”.<\/p>\n

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In the next window, go to “Domains”, choose “Add…”, and enter the domain you want to use for sending emails.<\/p>\n

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Create new email addresses in the “Accounts” menu.<\/p>\n

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Go to Settings >> Protocols >> SMTP >> Delivery of e-mail.<\/p>\n

Enter the local hostname of your server that will be used to introduce your server to other email servers.<\/p>\n

Add an A record to your DNS zone and set an identical PTR for the IP address of your server.<\/p>\n

Step 4: Configure Firewall<\/strong><\/h5>\n

Open Windows Firewall settings and choose “Inbound Rules”.<\/p>\n

Click “New Rule” and select “Port”. Enter ports 25, 110, 143, and 587.<\/p>\n

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Choose “Allow the connection”, select “Domain”, “Private”, and “Public”, and enter a name for the new rule.<\/p>\n

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Step 5: Configure DNS<\/strong><\/h5>\n

Add an SPF record to your DNS zone:<\/p>\n

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justanexample.com 86400 in TXT \"v=spf1 ip4:1.2.3.4 ~all\"\r\n<\/code><\/pre>\n<\/div>\n
Replace “justanexample.com” with your domain and 1.2.3.4 with your IP address.<\/p>\n
Add an MX record to your DNS zone:<\/p>\n
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justanexample.com 86400 in MX 10 \"mail.justanexample.com\"\r\n<\/code><\/pre>\n<\/div>\n
Replace “justanexample.com” with your domain and “mail.justanexample.com” with the hostname you chose for your email server.<\/p>\n
Step 6: Configure Email Client<\/strong><\/h5>\n
Use the following settings for your email client:<\/p>\n
Incoming server:<\/strong><\/p>\n