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envelope-open-textMail Server Configuration

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Introduction

Mail server configuration allows ZeroThreat to send operational and system-related notifications from your On-Prem deployment. These notifications help teams stay informed about scan activity and administrative events.

Common email notifications include:

  • Scan start and completion alerts

  • Organization member invitations

  • System-generated notifications and status updates

Mail settings are configured at the organization level.

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Configure Mail Server

Step 1: Navigate to Mail Server Settings

  1. Log in to your ZeroThreat On-Prem portal

  2. Go to Organization Settings

  3. Select Mail Server Configuration

Step 2: Configure Mail Server Fields

Fill in the following fields based on your SMTP server details:

  • From Email address used as the sender Example: alerts@yourdomain.com

  • Host SMTP server hostname Example: mail.yourdomain.com

  • Port SMTP server port Example: 465 or 587

  • Username / Password Credentials used to authenticate with the SMTP server

  • Secure (SSL/TLS) Enable this if your SMTP server requires a secure connection

  • TLS Reject Unauthorized Enable this to reject self-signed or untrusted certificates

Save the configuration once all fields are filled.

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Common Mail Issues

Many enterprise mail servers block outbound emails to external domains. If emails are not received:

  • Verify SMTP credentials

  • Check firewall and mail relay rules

  • Confirm that the SMTP server allows external delivery

What’s next? Mail notifications are now configured. You can continue with scanning workflows or review Automated Pentest Configuration.

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