| Outgoing SMTP Server: | outbound.mailhop.org |
|---|---|
| SMTP Port: | 25 (default), 2525, or 10025 |
| SMTPS (SSL/TLS): | 465 (default) or 10465 |
| Username: | Your Username |
| Password: | Your Password |
| Authentication Type: | Basic (“Auth”, “Login”, “Password”) |
| Use SSL/Encryption: | Yes (recommended) |
If you use SPF records, make sure to add “include:outbound.mailhop.org” to your record.
Please make sure you are using your SMTP username, not Email address, and password.
Summary
This guide provides essential SMTP settings and troubleshooting steps for resolving email delivery issues, including configuration recommendations, SPF record updates, and authentication error solutions.
Objective
Enable users to configure their email clients/servers correctly, troubleshoot delivery issues, and resolve authentication errors effectively.
Introduction
Email delivery problems can be challenging to troubleshoot due to various points of failure. Messages may be delayed, rejected, or silently dropped without notification. This guide provides detailed SMTP settings and steps for troubleshooting such issues.
Prerequisites
- Access to your email server or client logs.
- Message logs from your DuoCircle portal.
- Full email headers, including timestamps and "Received:" entries, for delayed or rejected emails.
Step-by-Step Instructions
- Check Message Logs
Access your domain message logs to identify potential delivery issues. Detailed instructions are available in the DuoCircle guide.
- Verify Email Client/Server Configuration
Ensure your email client or server uses the following settings:
Setting Details Outgoing SMTP Server: outbound.mailhop.org SMTP Port: 25 (default), 2525, or 10025 SMTPS (SSL/TLS): 465 (default) or 10465 Username: Your Username Password: Your Password Authentication Type: Basic ("Auth," "Login," "Password") Use SSL/Encryption: Yes (recommended) - Update SPF Records
If you use SPF records, include the following entry in your record:
include:outbound.mailhop.org. - Troubleshoot Authentication Errors
Ensure you are using the SMTP username, not the email address, along with the correct password defined in our system.
Common Error: Authentication failures occur when the wrong credentials or email address are used.
Internal Links
Conclusion
By following this guide, users can effectively resolve email delivery problems, ensure proper SMTP configuration, and address common authentication errors. For persistent issues, contact support with detailed logs and headers.