Has the approach that you used back in 2015 stopped working? Eg Use custom thank you page and confirmation page : how?
The latest jQuery update in phpList 3.4.0 may have had an impact on any custom submit forms.
Has the approach that you used back in 2015 stopped working? Eg Use custom thank you page and confirmation page : how?
The latest jQuery update in phpList 3.4.0 may have had an impact on any custom submit forms.