Account confirmation email sent as SPAM

php spam phpmailer
praveen picture praveen · Mar 20, 2010 · Viewed 7.4k times · Source

I am using PHPMailer to send a confirmation email for newly registered users in my social network. But I found out most of them have ended up in user's spam list. (Hotmail and Yahoo). How to avoid this?

This is my script

$mail=new PHPMailer();
$mail->IsSMTP();
$mail->SMTPAuth = mSMTPAuth(); 
$mail->SMTPSecure = mSMTPSecure(); 
$mail->Host = mHost(); 
$mail->Port = mPort(); 
$mail->Username = mUsername(); 
$mail->Password = mPassword(); 
$mail->From = mFrom();
$mail->FromName = "SiteName";
$mail->Subject = "SiteName New Account Activation";
$mail->IsHTML(true); 
$mail->WordWrap = 50;       

$mail->Body = "<h2>Welcome to " .$sitename. " " .$username. "! </h2><br><br>";
$mail->Body .= "Please click on the link below to verify your email address:<br><br>";
$mail->Body .= "<a href='".$base. "verify.php?a=" .$gen_key."'>".$base. "verify.php?a=" .$gen_key."</a>";
$mail->Body .= "<br><br>Regards<br>";

$mail->AltBody = "Welcome to " .$sitename. " " .$username. "!\n\nTo verify your email address, please click on the link below:\n\n".$base. "verify.php?a=" .$gen_key;

$mail->AddAddress($email);
$mail->Send();
$mail->ClearAddresses();

Answer

Jeff Atwood picture Jeff Atwood · Apr 21, 2010

To maximize the odds of your email arriving, there are three things you need to check:

  1. Make sure the computer sending the email has a Reverse PTR record
  2. Configure DomainKeys Identified Mail (DKIM) in your DNS and code
  3. Set up a SenderID record in your DNS

details at:

http://www.codinghorror.com/blog/2010/04/so-youd-like-to-send-some-email-through-code.html

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