Frequently Asked Questions about PHPmailer Mass Sending to Gmail_PHP Tutorial

1.Could not authenticate

First of all, if you don’t use loops, it’s basically because your account or password is wrong;

If you use a loop to send mass messages, remember to call Smtpclose() after the send() method is completed, and send and close once. Otherwise, you will only be able to send one email and it will crash the second time.

2.Gmail

First, enable php’s ssl permissions

How to enable openssl in php. In most cases, openssl is not enabled. To enable it, you need to make the following simple settings:

How to open it under windows:

1: First check whether extension=php_openssl.dll exists in php.ini. If it exists, remove the previous comment character ‘;’. If this line does not exist, add extension=php_openssl.dll.

2: Copy the three files in the php folder: php_openssl.dll, ssleay32.dll, libeay32.dll to the WINDOWSsystem32 folder.

3: Restart apache or iis

At this point, the openssl function is enabled.

How to enable it under Linux:

I am using the cloud host of Jinshang Data, PHP version: 5.2.14

The following plan uses my host as an example to explain adding openssl module support to PHP.

Some answers on the Internet say that you need to recompile PHP, add configure parameters, and add openssl support. Here is a method that does not require recompiling.

It is best if the PHP installation package file exists on the server. If it has been deleted, download the PHP installation file with the same version as shown on the phpinfo page. Here is php-5.2.14.tar.gz

It is recommended to download the Sohu mirror, but the NetEase mirror was not found. The address is: http://mirrors.sohu.com/php/

Connect to the host using ssh tool.

# Download to the /var/www/php5 directory

cd /var/www/php5

wget http://mirrors.sohu.com/php/php-5.2.14.tar.gz

# Unzip

tar zxvf php-5.2.14.tar.gz

# Enter the PHP openssl extension module directory

cd php-5.2.14/ext/openssl/

/var/www/php5/bin/phpize # Here is your own phpize path. If you can’t find it, use whereis phpize to find it

# After execution, an error was found: config.m4 cannot be found, config0.m4 is config.m4. Rename directly

mv config0.m4 config.m4

/var/www/php5/bin/phpize

./configure --with-openssl --with-php-config=/var/www/php5/bin/php-config

make

make install

# After the installation is completed, a directory of .so files (openssl.so) will be returned. Copy the openssl.so file in this directory to the extension_dir you specified in php.ini (find: extension_dir = in the php.ini file). My directory here is var/www/php5/lib/php/extensions

# Edit the php.ini file and add

at the end of the file

extension=openssl.so

# Just restart Apache

/usr/local/apache2/bin/apachectl restart

Okay, openssl support is now successfully added.

However, Gmail’s troubles don’t end there. Gmail’s current SMTP and POP3 are both SSL encrypted

Step1. php openssl module(extension) support

Step2. download phpmailer library

Step3. change code 'class.phpmailer.php' and 'class.smtp.php'

1.phpmailer and smtp add property Is_SSL

public $Is_SSL = false;

2. Pass to the smtp object in the SmtpConnect method in phpmailer

$this->smtp-> Is_SSL = $this-> Is_SSL ;

3. The Connect method in smtp adds

before the fsockopen call.

if($this->is_ssl){ $host = 'ssl://'.$host; }

The last step is the usage method. Remember to call the phpmailer class, which is not in the code.

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$mail = new PHPMailer();

$mail->IsSMTP();

$mail->Host = 'smtp.gmail.com'; // Your business post office domain name

$mail->SMTPAuth = true; // turn on SMTP authentication

$mail->SMTPSecure = "tls";

$mail->Username = '***@gmail.com';

$mail->Password = '******';

$mail->From = '***';

$mail->FromName = '***';

$mail->CharSet = 'UTF-8';

$mail->Encoding = "base64";

$mail->IsHTML(true); // send as HTML

$mail->Subject = '***'; //Email title

$mail->Body = '***'; //Mail content

$mail->AltBody = "text/html";

$mail->AddAddress('***', "");

$mail->Is_SSL = true;

$mail->Port = 587;

if (!$mail->Send()) {

exit($mail->ErrorInfo);

}

$mail->Smtpclose();

unset($mail);

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That’s it for the code part. Don’t forget to make the corresponding settings in gmail.

After completing the above three steps, you can freely use phpmailer to send gmail emails.

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