Double opt-in and single opt-in on the same installation possible? Home › Forums › Newsletter Plugin Support › Double opt-in and single opt-in on the same installation possible? This topic has 1 reply, 2 voices, and was last updated 6 years, 11 months ago by Stefano. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts June 24, 2016 at 4:09 pm #23824 MKJParticipant Hallo, is it possible to use double opt-in and single opt-in on the same installation? In other words: could a use for one form the double and for another form the single opt-in? Thank you! June 29, 2016 at 11:24 pm #23898 StefanoKeymaster Actually not, is not possible. Author Posts Check out our premium plans with priority support. Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In