Why Are My PHP Emails Ending Up in Spam, and How Can I Fix It?

Fixing Spam-Bound PHP Mail Deliveries

Sending emails through PHP's mail() function can sometimes result in messages landing in the dreaded spam folder, especially in the case of Gmail. If you're facing this issue, consider the solution below.

Ensuring Proper Header Setup

To prevent emails from being flagged as spam, it's crucial to set the necessary headers. Specifically, you need to include the following:

• From header: Specifies the sender's email address.
• Reply-To header: Indicates the address where recipients should reply.
• Return-Path header: Specifies where bounced emails should be returned.
• CC and BCC headers: Used to copy or blind copy other email addresses.

Example Code

Here's a sample code snippet that includes these headers and sends the email:

$headers = "From: [email protected]\r\n";
$headers .= "Reply-To: [email protected]\r\n";
$headers .= "Return-Path: [email protected]\r\n";
$headers .= "CC: [email protected]\r\n";
$headers .= "BCC: [email protected]\r\n";

if ( mail($to,$subject,$message,$headers) ) {
   echo "The email has been sent!";
   } else {
   echo "The email has failed!";
   }
?>

By implementing this fix, you can significantly reduce the chances of your emails ending up in the spam folder and ensure they reach their intended recipients.

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