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Resolving SSL Issues and Mail Sending Problems in Snappymail After CyberPanel Installation

1. Verifying SSL Certificate
Verifying SSL Certificate
2. Configuring Snappymail
Checking Snappymail Settings
3. Mail Server Configuration
Configuring Mail Server Settings
4. Testing and Verification
5. Updates and Support
Conclusion

CyberPanel is a powerful and user-friendly control panel built on the OpenLiteSpeed web server. It comes with Snappymail (previously known as Rainloop), an easy-to-use webmail client for managing email accounts. However, after installing CyberPanel, you might encounter SSL issues and problems with sending emails through Snappymail. This article will guide you through resolving these issues step by step.

1. Verifying SSL Certificate

To resolve SSL issues in Snappymail, ensure that your SSL certificate is correctly installed and verified.

Verifying SSL Certificate

  1. Log in to CyberPanel: Log in to the CyberPanel control panel using your admin credentials.

  2. SSL Management: Navigate to the "SSL" section from the left-hand menu and select "Manage SSL."

  3. Domain Selection: Select the domain for which you want to install or renew the SSL certificate.

  4. SSL Certificate Installation: Click the "Issue SSL" button to install a Let’s Encrypt SSL certificate for your domain. You should receive a message confirming the successful installation of the certificate.

  5. Renewing SSL Certificate: If the certificate is about to expire, click the "Renew SSL" button to renew it.

2. Configuring Snappymail

After resolving the SSL certificate issue, ensure that Snappymail is correctly configured.

Checking Snappymail Settings

  1. Access Snappymail Interface: Open your web browser and go to http://your_domain/snappymail/.

  2. Admin Login: Log in to the Snappymail admin panel. The default admin username is usually "admin."

  3. Domain Settings: Click on the "Domains" section from the left menu and select the domain for which you provide email services.

  4. SSL Settings: Ensure the SSL certificate is valid. Check the "Encryption" settings and ensure the "Use SSL" option is checked.

3. Mail Server Configuration

Email sending issues are often due to incorrect mail server settings.

Configuring Mail Server Settings

  1. Check SMTP Settings: Verify Snappymail’s SMTP settings. Typically, these settings are in the format mail.your_domain. Ensure the SMTP port number is correct (usually 587 or 465).

  2. Outgoing Mail Ports: Go to the "Email" section in CyberPanel and check the "Mail Server" settings. Ensure Postfix and Dovecot are properly configured.

  3. Firewall Settings: Verify CyberPanel’s firewall settings and ensure that SMTP ports (25, 587, 465) are open.

  4. DNS Settings: Ensure that the MX records for your domain are correctly configured in the DNS settings. Additionally, verify that SPF, DKIM, and DMARC records are properly set up.

4. Testing and Verification

After configuring the above settings, test Snappymail to ensure everything is working correctly.

  1. Sending a Test Email: Log in to Snappymail and send a test email. Verify whether the email is sent successfully.

  2. Check Sent Folder: Ensure that the sent emails appear in the sent folder and that they reach the recipient.

5. Updates and Support

If problems persist, make sure that CyberPanel and Snappymail are updated to the latest versions. Seek assistance from developer communities and support forums if needed.

Conclusion

By following these steps, you can resolve SSL and email sending issues in Snappymail after installing CyberPanel. Ensure that the SSL certificate is correctly installed, and verify the configuration of Snappymail and your mail server settings. Test and verify the configurations to confirm that the issue is resolved. If you still encounter problems, do not hesitate to seek help from CyberPanel community support resources.

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