What is the common error message when trying to send an email to an address within the same domain using phpmailer?

When trying to send an email to an address within the same domain using PHPMailer, a common error message that may occur is "Invalid address: (setFrom) must be a valid email address." This error is typically caused by not setting the "From" address correctly in the PHPMailer code. To solve this issue, make sure to set the "From" address to a valid email address within the same domain as the recipient. 

<?php
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

// Include PHPMailer library files
require 'path/to/PHPMailer/src/Exception.php';
require 'path/to/PHPMailer/src/PHPMailer.php';
require 'path/to/PHPMailer/src/SMTP.php';

// Create a new PHPMailer instance
$mail = new PHPMailer();

// Set the From address to a valid email address within the same domain
$mail->setFrom('from@example.com', 'Your Name');

// Set the To address
$mail->addAddress('to@example.com', 'Recipient Name');

// Set the subject and body of the email
$mail->Subject = 'Subject of the email';
$mail->Body = 'Body of the email';

// Send the email
if($mail->send()) {
    echo 'Email sent successfully';
} else {
    echo 'Error sending email: ' . $mail->ErrorInfo;
}
?>

Keywords

PHP phpmailer email same domain error message

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