How Can I Retrieve Error Messages from PHP's mail() Function?

Retrieving Error Messages for the mail() Function

In PHP, the mail() function provides a convenient way to send emails. However, errors can occur when sending mail, and it's often useful to display the error message for debugging purposes.

One method to retrieve the error message is to use the error_get_last() function. However, this only works when using SMTP on Windows systems, and not with PHP's native mail() function. Here's how you can use it:

$success = mail('[email protected]', 'My Subject', $message);
if (!$success) {
    $errorMessage = error_get_last()['message'];
}

If the mail sending fails, the $errorMessage variable will contain the error message.

For example, when using error_get_last() after an unsuccessful mail() attempt, you may see an output similar to:

[type] => 2
[message] => mail(): Failed to connect to mailserver at "x.x.x.x" port 25, verify your "SMTP" and "smtp_port" setting in php.ini or use ini_set()
[file] => C:\www\X\X.php
[line] => 2

This error message provides valuable information about the reason for the mail sending failure, allowing you to debug and resolve the issue.

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