PayPal - How to set the Paypal IPN URL
When integrating QLM with Paypal, you must configure the Paypal IPN to connect to the QLM License Server. The IPN can either be configured globally and apply to all transactions or it can be configured per button.
Global IPN Configuration
To configure the Paypal IPN to point to the QLM License Server.
Log in to your PayPal account
In the Settings menu, select Account Settings
In the Notifications section, locate the Instant payment notifications section
Click Update
Click Choose IPN Settings
In the Notification URL field, enter (update the URL to point to your QLM License Server): https://qlm3.net/qlmdemo/qlmLicenseServer/qlmpaypalipn.aspx
Check the option Receive IPN messages (Enabled)
Click Save
Per Button IPN Configuration
Log in to your PayPal account
In the Settings menu, select Account Settings
In the Website payments section, locate the PayPal button section
Click Update
Click Buy Now
Configure the Buy Now options as needed
Expand Step3: Customize advanced features
Check the Add advanced variables checkbox (see the screenshot below)
Add the following in the advanced section (update the URL to point to your QLM License Server) and enter a new line containing the following
address_override=1
Click Create Button
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