MailEnable SSL Installation——Beginner-Friendly Guide

This beginner-friendly guide explains how to install and configure MailEnable on a Windows VPS. It covers downloading the installer, selecting components, creating a post office, configuring SMTP, and post-installation security settings, helping you quickly set up your own email server.

Introduction

Installing SSL certificates improves the security of mail delivery and the credibility of your mail domain.
First, install SSL certificate on MailEnable webmail. Configure your SSL certificate to your mail domain in IIS.
Now we can start.

Step-by-Step Installation Guide

Step 1: Configure SSL in MailEnable

  1. Open the MailEnable Administration Console.
    Install SSL Certificate on mailenable
  2. Right-click Server > localhost and select Properties.
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  3. Go to the SSL tab, select your installed certificate, and click Apply → OK.
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This step enables MailEnable SSL setup and ensures all mail traffic is encrypted for a secure email server.

Step 2: Enable SSL for Mail Services

Configure SMTP (Outgoing Mail)

  1. Go to Services and Connectors > SMTP, right-click, and select Properties.
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  2. In the Inbound tab, check Allow clients to establish secure sessions via STARTTLS.
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  3. Click Apply, then Port Settings, and set the SSL port to 465.

  4. Restart the SMTP service to activate MailEnable SMTP SSL.
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    Configure IMAP (Incoming Mail)

  5. Right-click IMAP, select Properties.

  6. Check Also listen on alternate port: 993 and Requires SSL.
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  7. Restart the IMAP service to enable MailEnable IMAP SSL.

Configure POP3 (Incoming Mail)

  1. Right-click POP, select Properties.
  2. Check Also listen on alternate port: 995 and Requires SSL.
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  3. Restart the POP service to enable MailEnable POP3 SSL.

Check the SMTP Outbound TLS setting and IMAP setting.

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    Now your encrypted email setup is ready on your email server secureserver net.

Step 3: Test Your SSL Configuration

  1. Use an SSL-supported email client such as Outlook, Thunderbird, or eM Client.
  2. Enter these SSL-enabled ports:
  • SMTP: 465
  • IMAP: 993
  • POP3: 995
  1. Send a test email to Gmail or another secure email provider to verify encryption.
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    You can also test a free secure mail setup before going live.

Beginner Tips


✅Certificate Permissions: Ensure the MailEnable service account (IME_SYSTEM) has read access to the certificate.

✅Port Settings: Enable STARTTLS on SMTP port 465 for security.

✅Firewall Settings: Allow connections through ports 465, 993, and 995.

By following this beginner guide MailEnable SSL, you can successfully perform MailEnable SSL installation on your email server secureserver net, providing encrypted email and a fully secure email experience for your users. This setup ensures email server encryption for both incoming and outgoing emails.

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Last Updated:   07/08/2026
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