[Fixed] PHPMailer SMTP Error: Could not connect to SMTP host.

By Mr. Rahul February 8, 2022 Codeigniter, php 0 Comments

This error is common while using PHPMailer with upgrader version >5.6. In lower versions its working fine. But when using greater than 5.6 version possibly we got this error .

PHPMailer SMTP Error: Could not connect to SMTP host.

I have quick solution after lot of r&d. This solution may help you solve this problem. Check out this code.

$mail->isSMTP();  
//$mail->SMTPDebug = 2;
$mail->Host = 'smtp.gmail.com';           	// Specify main and backup server
$mail->SMTPAuth = true;             // Enable SMTP authentication
$mail->Username = 'youremail@gmail.com';    // SMTP username
$mail->Password = 'XXXXXX';
$mail->SMTPSecure   = 'tls';  
$mail->Port         = 25;  
$mail->Subject      = $subject;
$mail->Body         = $message;
$mail->SMTPOptions = array(
	'ssl' => array(
		'verify_peer' => false,
		'verify_peer_name' => false,
		'allow_self_signed' => true
	)
); 
$mail->setFrom('youremail@gmail.com', 'Name');

$mail->addAddress($email);  
$mail->isHTML(true);      

if($mail->send()) {
	echo 'Message sent!!';
}

$mail->isSMTP();

//$mail->SMTPDebug = 2;

$mail->Host = 'smtp.gmail.com'; // Specify main and backup server

$mail->SMTPAuth = true; // Enable SMTP authentication

$mail->Username = 'youremail@gmail.com'; // SMTP username

$mail->Password = 'XXXXXX';

$mail->SMTPSecure = 'tls';

$mail->Port = 25;

$mail->Subject = $subject;

$mail->Body = $message;

$mail->SMTPOptions = array(

'ssl' => array(

'verify_peer' => false,

'verify_peer_name' => false,

'allow_self_signed' => true

)

);

$mail->setFrom('youremail@gmail.com', 'Name');

$mail->addAddress($email);

$mail->isHTML(true);

if($mail->send()) {

echo 'Message sent!!';

}

In this sample code include this code will work perfectly.

$mail->SMTPOptions = array(
	'ssl' => array(
		'verify_peer' => false,
		'verify_peer_name' => false,
		'allow_self_signed' => true
	)
);

$mail->SMTPOptions = array(

'ssl' => array(

'verify_peer' => false,

'verify_peer_name' => false,

'allow_self_signed' => true

)

);

Thank you for visiting.

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@rahul

Website designer, Full stack developer, Blogger with 10+ years of experience.

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[Fixed] PHPMailer SMTP Error: Could not connect to SMTP host.

PHPMailer SMTP Error: Could not connect to SMTP host.

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PHPMailer SMTP Error: Could not connect to SMTP host.

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