What role does the MTA (Mail Transfer Agent) play in determining the accuracy of email timestamps set in PHP?

The MTA (Mail Transfer Agent) plays a role in determining the accuracy of email timestamps set in PHP because it can modify the timestamp of an email during the delivery process. To ensure accuracy, you can set the date header of the email in PHP to a specific timestamp before sending it. 

// Set the date header of the email to a specific timestamp
$date = date('r', strtotime('2022-01-01 12:00:00')); // Set the desired timestamp here
$headers = 'Date: ' . $date . "\r\n";

// Send the email with the custom date header
mail('recipient@example.com', 'Subject', 'Message', $headers);

Keywords

MTA Mail Transfer Agent email timestamps PHP accuracy

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