PHP Script for Email with SMTP Authentication

The below email script is for PHP emailing with SMTP authentication.

<?php
//new function

$to = "you@your-domainname.com";
$nameto = "Who To";
$from = "script@your-domainname.com";
$namefrom = "Who From";
$subject = "Hello World Again!";
$message = "World, Hello!";
authSendEmail($from, $namefrom, $to, $nameto, $subject, $message);
?>

<?php
/* * * * * * * * * * * * * * SEND EMAIL FUNCTIONS * * * * * * * * * * * * * */

//This will send an email using auth smtp and output a log array
//logArray - connection,

function authSendEmail($from, $namefrom, $to, $nameto, $subject, $message)
{
//SMTP + SERVER DETAILS
/* * * * CONFIGURATION START * * * */
$smtpServer = "mail.yourdomain.com";
$port = "25";
$timeout = "30";
$username = "your-email-address@domain.com";
$password = "Your-POP3-Password";
$localhost = "mail.yourdomain.com";
$newLine = "\r\n";
/* * * * CONFIGURATION END * * * * */

//Connect to the host on the specified port
$smtpConnect = fsockopen($smtpServer, $port, $errno, $errstr, $timeout);
$smtpResponse = fgets($smtpConnect, 515);
if(empty($smtpConnect))
{
$output = "Failed to connect: $smtpResponse";
return $output;
}
else
{
$logArray['connection'] = "Connected: $smtpResponse";
}

//Request Auth Login
fputs($smtpConnect,"AUTH LOGIN" . $newLine);
$smtpResponse = fgets($smtpConnect, 515);
$logArray['authrequest'] = "$smtpResponse";

//Send username
fputs($smtpConnect, base64_encode($username) . $newLine);
$smtpResponse = fgets($smtpConnect, 515);
$logArray['authusername'] = "$smtpResponse";

//Send password
fputs($smtpConnect, base64_encode($password) . $newLine);
$smtpResponse = fgets($smtpConnect, 515);
$logArray['authpassword'] = "$smtpResponse";

//Say Hello to SMTP
fputs($smtpConnect, "HELO $localhost" . $newLine);
$smtpResponse = fgets($smtpConnect, 515);
$logArray['heloresponse'] = "$smtpResponse";

//Email From
fputs($smtpConnect, "MAIL FROM: $from" . $newLine);
$smtpResponse = fgets($smtpConnect, 515);
$logArray['mailfromresponse'] = "$smtpResponse";

//Email To
fputs($smtpConnect, "RCPT TO: $to" . $newLine);
$smtpResponse = fgets($smtpConnect, 515);
$logArray['mailtoresponse'] = "$smtpResponse";

//The Email
fputs($smtpConnect, "DATA" . $newLine);
$smtpResponse = fgets($smtpConnect, 515);
$logArray['data1response'] = "$smtpResponse";

//Construct Headers
$headers = "MIME-Version: 1.0" . $newLine;
$headers .= "Content-type: text/html; charset=iso-8859-1" . $newLine;
$headers .= "To: $nameto <$to>" . $newLine;
$headers .= "From: $namefrom <$from>" . $newLine;

fputs($smtpConnect, "To: $to\nFrom: $from\nSubject: $subject\n$headers\n\n$message\n.\n");
$smtpResponse = fgets($smtpConnect, 515);
$logArray['data2response'] = "$smtpResponse";

// Say Bye to SMTP
fputs($smtpConnect,"QUIT" . $newLine);
$smtpResponse = fgets($smtpConnect, 515);
$logArray['quitresponse'] = "$smtpResponse";

//insert var_dump here -- uncomment out the next line for debug info
//var_dump($logArray);
}
?>

  • 0 Users Found This Useful
Was this answer helpful?

Related Articles

How to restore MySQL Database on SolidCP

Login to SolidCP control panel. SolidCP is located at URL http://scp.your_domain.com On the...

How to create Email Account on SolidCP

SolidCP control panel allows you to manage all email operations under single login. It enables...

How to create MySQL Database on SolidCP

Login to SolidCP. SolidCP is located at URL https://scp.your_domain.com On the next screen,...

How can I create an email forwarding in SolidCP

Email Forwarding can be used to forward your emails from one account to your preferred account....

How to install Let's Encrypt SSL Certificate

Login to the SolidCP using http://scp.your_domain.com Click on the Web Sites option under Web...