Why Does PHPMailer Throw a \'Connection Refused\' Error on GoDaddy Linux Servers?

PHPMailer Connection Refused on GoDaddy Linux Server

In recent times, users have experienced PHPMailer issues after transitioning their GoDaddy hosted sites from Windows to Linux servers. Despite having accurate PHPMailer settings that worked flawlessly on Windows, some users now encounter the error "SMTP -> ERROR: Failed to connect to server: Connection refused (111)SMTP Connect() failed." upon sending emails.

To resolve this issue, one user on Linux discovered a promising solution:

<code class="php">$mail2->Host = localhost;</code>

This suggests that specifying the host as "localhost" instead of the typical hostname resolved the connection refusal error. Additionally, it appears that disabling SMTP authentication, username, password, and SSL settings also contributes to the resolution.

Therefore, when experiencing connection refused errors with PHPMailer on a GoDaddy Linux server, users may consider the following steps:

1. Specify the host as "localhost" in the PHPMailer settings.
2. Disable SMTP authentication, username, password, and SSL settings.

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