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PayPal Instant Payment Notification Warning

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Tips and Tricks HQ Support Portal › Forums › WP Affiliate Platform › WP Affiliate General Questions › PayPal Instant Payment Notification Warning

  • This topic has 3 replies, 2 voices, and was last updated 12 years, 10 months ago by amin007.
Viewing 4 posts - 1 through 4 (of 4 total)
  • Author
    Posts
  • May 17, 2010 at 6:44 pm #1216
    sdf
    Member

    We keep receiving this email from Paypal:


    Dear x,

    Please check your server that handles PayPal Instant Payment Notifications

    (IPN). Instant Payment Notifications sent to the following URL(s) are

    failing:

    [sitehere].com/wp-content/plugins/wp-affiliate-platform/api/ipn_handler.php

    If you do not recognize this URL, you may be using a service provider that

    is using IPN on your behalf. Please contact your service provider with the

    above information. If this problem continues, IPNs may be disabled for your

    account.


    What can I do to fix this before they disable our IPNs?

    May 18, 2010 at 2:18 am #20635
    amin007
    Participant

    Basically, for some odd reason your server is blocking PayPal’s payment notification (IPN). Sometimes a plugin can do this too (I know that the “Bad Behavior” plugin does it for reasons I can’t explain). PayPal is a well known payment gateway so I don’t know why some servers or plugin block IPNs from PayPal.

    You have three possible ways to fix this:

    1) Contact your web hosting to find out why they are blocking PayPal IPN (maybe they have a firewall which is doing it). Maybe you are using a plugin that is blocking it (The bad behavior plugin is known to do this). Deactivate this plugin.

    2) Don’t use the IPN feature.

    3) Change your hosting provider and get a good one :) (there are plenty of good and cheap ones out there)

    I prefer option 1 :)

    More details here:

    https://support.tipsandtricks-hq.com/forums/topic/ipn-sent-to-wp-estore-are-failing

    May 18, 2010 at 12:51 pm #20636
    sdf
    Member

    My hosting company (not a cheap one and not Godaddy ;) ) is asking what port this function is using. Please let me know so that they can check their firewall settings. thanks

    May 19, 2010 at 12:01 am #20637
    amin007
    Participant

    PayPal IPN uses standard HTTP POST so it will be on port 80.

    Your hosting provider should know about PayPal’s IPN feature. It’s a PayPal feature for payment notification that pretty much any reliable shopping cart system uses. You can read more here:

    WordPress e-Commerce Knowledgebase

    If you go to sandbox and try to send a test IPN you can see that it fails to deliver to your server. I just tried to send a simple test IPN to the following URL and your server denied it:

    http://www.sitehere.com/wp-content/plugins/wp-affiliate-platform/api/ipn_handler.php

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