I will continue using the Thank You page, it works fine for us.
Thanks for the fast support!
Hi WebCodin.
The Thank You page certainly did the trick. The form is now working correctly, no more duplicate entries.
For your questions:
– I am using the last plugin, installed it straight via WordPress
– We do, the site is setup with MailPoet for newsletter and the webmaster of
the site gets notifications when people subscribe and so on.