: Test connectivity using telnet localhost 25 from the server itself Service not running : Check Services.msc and verify hMailServer service is started Wrong port configuration : Ensure IP ranges are correctly configured for external access
(required for encryption):
: Under the "Accounts" folder, add your desired email addresses and set passwords. SMTP Settings Settings > Protocols > SMTP download hmailserver 57 hot
Includes a native tool to back up all settings, domains, and messages to a single file. Anti-Spam & Security: Supports advanced protections like Greylisting to ensure high deliverability and security. Small Footprint:
Before downloading the installer, ensure your hosting environment meets the following specifications: : Test connectivity using telnet localhost 25 from
: Best for small setups or testing (uses Microsoft SQL Server Compact).
Port 465 (SMTPS), Port 993 (IMAPS), Port 995 (POP3S) 2. Downloading hMailServer 5.7 Safely You will be prompted to choose a database
: Follow the setup wizard. You will be prompted to choose a database type—if you don't have one, hMailServer can install a compact built-in database for you. Initial Configuration : Once installed, use the hMailServer Administrator