Why am I Getting a \'Connection Refused\' Error with PHPMailer on a GoDaddy Linux Server?

Troubleshoot PHPMailer's "Connection Refused" Error on GoDaddy Linux Server

As mentioned, PHPMailer errors indicating "Connection Refused" commonly arise during initial setup due to incorrect configurations. However, if you encounter this issue after a server migration from Windows to Linux, it may require further troubleshooting:

Verify PHPMailer Settings:

Ensure that the PHPMailer settings are accurate. Review the following configuration parameters:

• Host: smtpout.secureserver.net (or relay-hosting.secureserver.net)
• SMTPAuth: true
• SMTPSecure: ssl
• Port: 465
• Username and Password: Your correct GoDaddy SMTP credentials

Server-side Configuration Issues:

Contact GoDaddy support to verify the SMTP server settings on their end. They may need to check additional configurations that their tech support may not be aware of.

Alternative Solutions:

If the aforementioned steps do not resolve the issue, consider the following:

• localhost Configuration: Try setting $mail2->Host = localhost. This configuration has been successful for some users facing this issue.
• Comment Out SMTP Configurations: Comment out lines related to SMTPAuth, Username, Password, and SMTPSecure, leaving only the host and port settings. This approach has also been effective for some users.

Additional Troubleshooting:

• Enable Debug: Set SMTPDebug to a higher value (e.g., 2 or 3) to display more detailed error messages.
• Check Firewall Rules: Verify that the server's firewall allows outgoing connections to the SMTP port (465).
• Test with Different Ports: Try alternative SMTP ports (e.g., 587, 25, or 3535) to rule out port-related issues.

If you continue to experience difficulties, seek further assistance from GoDaddy support or the PHPMailer community for additional troubleshooting options.

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