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I am trying out serving DFP ads in email. I'm following the guidelines here.
The ad will show up in the email, at least the first time. The strange thing that I'm seeing is, after the first click, clicking on the ad again will often bring me to a blank page rather than the click-through page of the creative. Also, when I reopen the message, occasionally the image will not load. The code in the email looks like this:
<a href="https://pubads.g.doubleclick.net/gampad/jump?iu=/{my_pub_id}/300x250_email&sz=300x250&c={cachebuster}&tile=1">
<img src="https://pubads.g.doubleclick.net/gampad/ad?iu=/{my_pub_id}/300x250_email&sz=300x250&c={cachebuster}&tile=1" />
</a>
482
We've solved this by turning off cookies in the standard tag using the co= option; adding co=1 to the tag.
<a href="https://pubads.g.doubleclick.net/gampad/jump?co=1&iu=/{my_pub_id}/300x250_email&sz=300x250&c={cachebuster}&tile=1">
<img src="https://pubads.g.doubleclick.net/gampad/ad?co=1&iu=/{my_pub_id}/300x250_email&sz=300x250&c={cachebuster}&tile=1" />
</a>
The only problem (for us) that this creates is that we're unable to serve 3rd party tags, even ones that resolve directly to .gifs, using the standard tag.
117
Had the same problem and I solved it by using script to redirect click via script on my web server where ad is shown again so that all the cookies can be set.
Link looks like this: http://www.mysite.com/dfpclick.php?adunit=mailing&cbuster=1369608725
Script dfpclick.php:
<?php
/* Google DFP url redirect*/
if ($_REQUEST['adunit']) {
$sUrl = 'http://pubads.g.doubleclick.net/gampad/jump?iu=/%mygoogleid%/'.$_REQUEST['adunit'].'&sz=1x1&c='.$_REQUEST['cbuster'];
}
?>
<html>
<head>
<meta HTTP-EQUIV="REFRESH" content="0; url=<?=$sUrl?>">
</head>
<body>
<?php
if ($_REQUEST['adunit']) {
echo '<img src="http://pubads.g.doubleclick.net/gampad/ad?iu=/%mygoogleid%/'.$_REQUEST['adunit'].'&sz=1x1&c='.$_REQUEST['cbuster'].'" width="0" height="0" border="0" style="width:0px; height:0px;" alt=""/>';
}
?>
</body>
</html>
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