opt in not working

https://www.mautic.org/blog/integrator/creating-a-double-opt-in-email-campaign/ this is not working i dont know why

https://www.mautic.org/blog/integrator/creating-a-double-opt-in-email-campaign/ this is not working i dont know why

Try this method and see if it works: https://accentdm.com/mautic-double-opt-in-email-list/. It’s slightly different.