Send email using the GMail SMTP server from a PHP page

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I am trying to send an email via GMail's SMTP server from a PHP page, but I get this error:

authentication failure [SMTP: SMTP server does no support authentication (code: 250, response: mx.google.com at your service, [98.117.99.235] SIZE 35651584 8BITMIME STARTTLS ENHANCEDSTATUSCODES PIPELINING)]

Can anyone help? Here is my code:

<?php require_once "Mail.php"; $from = "Sandra Sender <sender@example.com>"; $to = "Ramona Recipient <ramona@microsoft.com>"; $subject = "Hi!"; $body = "Hi,\n\nHow are you?"; $host = "smtp.gmail.com"; $port = "587"; $username = "testtest@gmail.com"; $password = "testtest"; $headers = array ('From' => $from, 'To' => $to, 'Subject' => $subject); $smtp = Mail::factory('smtp', array ('host' => $host, 'port' => $port, 'auth' => true, 'username' => $username, 'password' => $password)); $mail = $smtp->send($to, $headers, $body); if (PEAR::isError($mail)) { echo("<p>" . $mail->getMessage() . "</p>"); } else { echo("<p>Message successfully sent!</p>"); } ?> 
This Question Has 12 Answeres | Orginal Question | skb

I had this problem also. I set the correct settings and have enabled less secure apps but it still did not work. Finally, I enabled this https://accounts.google.com/UnlockCaptcha, and it worked for me. I hope this helps someone.

Set

'auth' => false, 

Also, see if port 25 works.

Send Mail using phpMailer library through Gmail Please donwload library files from Github

<?php /** * This example shows settings to use when sending via Google's Gmail servers. */ //SMTP needs accurate times, and the PHP time zone MUST be set //This should be done in your php.ini, but this is how to do it if you don't have access to that date_default_timezone_set('Etc/UTC'); require '../PHPMailerAutoload.php'; //Create a new PHPMailer instance $mail = new PHPMailer; //Tell PHPMailer to use SMTP $mail->isSMTP(); //Enable SMTP debugging // 0 = off (for production use) // 1 = client messages // 2 = client and server messages $mail->SMTPDebug = 2; //Ask for HTML-friendly debug output $mail->Debugoutput = 'html'; //Set the hostname of the mail server $mail->Host = 'smtp.gmail.com'; // use // $mail->Host = gethostbyname('smtp.gmail.com'); // if your network does not support SMTP over IPv6 //Set the SMTP port number - 587 for authenticated TLS, a.k.a. RFC4409 SMTP submission $mail->Port = 587; //Set the encryption system to use - ssl (deprecated) or tls $mail->SMTPSecure = 'tls'; //Whether to use SMTP authentication $mail->SMTPAuth = true; //Username to use for SMTP authentication - use full email address for gmail $mail->Username = "username@gmail.com"; //Password to use for SMTP authentication $mail->Password = "yourpassword"; //Set who the message is to be sent from $mail->setFrom('from@example.com', 'First Last'); //Set an alternative reply-to address $mail->addReplyTo('replyto@example.com', 'First Last'); //Set who the message is to be sent to $mail->addAddress('whoto@example.com', 'John Doe'); //Set the subject line $mail->Subject = 'PHPMailer GMail SMTP test'; //Read an HTML message body from an external file, convert referenced images to embedded, //convert HTML into a basic plain-text alternative body $mail->msgHTML(file_get_contents('contents.html'), dirname(__FILE__)); //Replace the plain text body with one created manually $mail->AltBody = 'This is a plain-text message body'; //Attach an image file $mail->addAttachment('images/phpmailer_mini.png'); //send the message, check for errors if (!$mail->send()) { echo "Mailer Error: " . $mail->ErrorInfo; } else { echo "Message sent!"; } 

The code as listed in the question needs two changes

$host = "ssl://smtp.gmail.com"; $port = "465"; 

Port 465 is required for an SSL connection.

// Pear Mail Library require_once "Mail.php"; $from = '<fromaddress@gmail.com>'; $to = '<toaddress@yahoo.com>'; $subject = 'Hi!'; $body = "Hi,\n\nHow are you?"; $headers = array( 'From' => $from, 'To' => $to, 'Subject' => $subject ); $smtp = Mail::factory('smtp', array( 'host' => 'ssl://smtp.gmail.com', 'port' => '465', 'auth' => true, 'username' => 'johndoe@gmail.com', 'password' => 'passwordxxx' )); $mail = $smtp->send($to, $headers, $body); if (PEAR::isError($mail)) { echo('<p>' . $mail->getMessage() . '</p>'); } else { echo('<p>Message successfully sent!</p>'); } 

SwiftMailer can send E-Mail using external servers.

here is an example that shows how to use a Gmail server:

require_once "lib/Swift.php"; require_once "lib/Swift/Connection/SMTP.php"; //Connect to localhost on port 25 $swift =& new Swift(new Swift_Connection_SMTP("localhost")); //Connect to an IP address on a non-standard port $swift =& new Swift(new Swift_Connection_SMTP("217.147.94.117", 419)); //Connect to Gmail (PHP5) $swift = new Swift(new Swift_Connection_SMTP( "smtp.gmail.com", Swift_Connection_SMTP::PORT_SECURE, Swift_Connection_SMTP::ENC_TLS)); 

Using Swift mailer, it is quite easy to send a mail through Gmail credentials:

<?php require_once 'swift/lib/swift_required.php'; $transport = Swift_SmtpTransport::newInstance('smtp.gmail.com', 465, "ssl") ->setUsername('GMAIL_USERNAME') ->setPassword('GMAIL_PASSWORD'); $mailer = Swift_Mailer::newInstance($transport); $message = Swift_Message::newInstance('Test Subject') ->setFrom(array('abc@example.com' => 'ABC')) ->setTo(array('xyz@test.com')) ->setBody('This is a test mail.'); $result = $mailer->send($message); ?> 

I don't recommend Pear Mail. It has not been updated since 2010. Also read the source files; the source code is almost outdated, written in PHP 4 style and many errors / bugs have been posted (Google it). I am using Swift Mailer.

Swift Mailer integrates into any web application written in PHP 5, offering a flexible and elegant object-oriented approach to sending emails with a multitude of features.

Send emails using SMTP, sendmail, postfix or a custom Transport implementation of your own.

Support servers that require username & password and/or encryption.

Protect from header injection attacks without stripping request data content.

Send MIME compliant HTML/multipart emails.

Use event-driven plugins to customize the library.

Handle large attachments and inline/embedded images with low memory use.

It is a free and open source you can Download Swift Mailer and upload to your server. (The feature list is copied from owner website).

The working example of Gmail SSL/SMTP and Swift Mailer is here...

// Swift Mailer Library require_once '../path/to/lib/swift_required.php'; // Mail Transport $transport = Swift_SmtpTransport::newInstance('ssl://smtp.gmail.com', 465) ->setUsername('username@gmail.com') // Your Gmail Username ->setPassword('my_secure_gmail_password'); // Your Gmail Password // Mailer $mailer = Swift_Mailer::newInstance($transport); // Create a message $message = Swift_Message::newInstance('Wonderful Subject Here') ->setFrom(array('sender@example.com' => 'Sender Name')) // can be $_POST['email'] etc... ->setTo(array('receiver@example.com' => 'Receiver Name')) // your email / multiple supported. ->setBody('Here is the <strong>message</strong> itself. It can be text or <h1>HTML</h1>.', 'text/html'); // Send the message if ($mailer->send($message)) { echo 'Mail sent successfully.'; } else { echo 'I am sure, your configuration are not correct. :('; } 

I hope this helps. Happy coding... :)

Gmail requires port 465, and also it's the code from phpmailer :)

To install PEAR's Mail.php in Ubuntu, run following set of commands:

 sudo apt-get install php-pear sudo pear install mail sudo pear install Net_SMTP sudo pear install Auth_SASL sudo pear install mail_mime 

Your code does not appear to be using TLS (SSL), which is necessary to deliver mail to Google (and using ports 465 or 587).

You can do this by setting

$host = "ssl://smtp.gmail.com";

Your code looks suspiciously like this example which refers to ssl:// in the hostname scheme.

<?php date_default_timezone_set('America/Toronto'); require_once('class.phpmailer.php'); //include("class.smtp.php"); // optional, gets called from within class.phpmailer.php if not already loaded $mail = new PHPMailer(); $body = "gdssdh"; //$body = eregi_replace("[\]",'',$body); $mail->IsSMTP(); // telling the class to use SMTP //$mail->Host = "ssl://smtp.gmail.com"; // SMTP server $mail->SMTPDebug = 1; // enables SMTP debug information (for testing) // 1 = errors and messages // 2 = messages only $mail->SMTPAuth = true; // enable SMTP authentication $mail->SMTPSecure = "ssl"; // sets the prefix to the servier $mail->Host = "smtp.gmail.com"; // sets GMAIL as the SMTP server $mail->Port = 465; // set the SMTP port for the GMAIL server $mail->Username = "user@gmail.com"; // GMAIL username $mail->Password = "password"; // GMAIL password $mail->SetFrom('contact@prsps.in', 'PRSPS'); //$mail->AddReplyTo("user2@gmail.com', 'First Last"); $mail->Subject = "PRSPS password"; //$mail->AltBody = "To view the message, please use an HTML compatible email viewer!"; // optional, comment out and test $mail->MsgHTML($body); $address = "user2@yahoo.co.in"; $mail->AddAddress($address, "user2"); //$mail->AddAttachment("images/phpmailer.gif"); // attachment //$mail->AddAttachment("images/phpmailer_mini.gif"); // attachment if(!$mail->Send()) { echo "Mailer Error: " . $mail->ErrorInfo; } else { echo "Message sent!"; } ?> 

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Sajjad Hossain

I have five years of experience in web development sector. I love to do amazing projects and share my knowledge with all.

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