I am Sending Email with attachment ( PDF ) Using PHP Mailer But it come in my Junk Folder Why ?

Question

I have Setup All kinds of Headers in the Code But its Still in my junk Folder How to get rid of this ??

If you Have a solution Mail me Here -> [e-mail]

Here is my Headers Which I am Using:

$mail->addCustomHeader('MIME-version', "1.0");
$mail->addCustomHeader('Content-type', "application/pdf; method=REQUEST; charset=UTF-8");

$mail->addCustomHeader('Content-Transfer-Encoding', "8bit");
$mail->addCustomHeader('X-Mailer', "PHP/' . phpversion();");
$mail->addCustomHeader("Content-class: urn:content-classes:calendarmessage");
$mail->addCustomHeader("Content-type:application/pdf","pdf");

Answer 1

Thanks Guys for your answers Finally i got the solution. and thanks @jay

Answer 2

try the tips here.
https://stackoverflow.com/questions/371/how-do-you-make-sure-email-you-send-programmatically-is-not-automatically-marked

Answer 3

The only other suggestion I can think of is to tell your clients / recipients to add the email address and/or mark a few emails as 'Not Junk' on their end

Answer 4

I have checked Every Where.