Hi,
I can't get Easy Profile to work with PayPlans. I have PayPlan's registration integration set to Joomla, but the registration process hangs after filling out a registration form, and before getting to the payment page.
I think this is a Payplans problem, anyway to check I need your site details, You can use the form below the reply in "Site Details" tab.
My host says: "Apache error: Excessive PHP mail in 2 Hours" - and this gets y IP Blacklisted/Greylisted for 2 hours.
Easy Profile do not send emails, all emails are sent by Joomla and/or Payplans. But it is strange because emails are sent by the server and not from your IP.
Anyway for this error you should contact your host provider to understand and fix this problem.