Prove the double optin Home › Forums › Newsletter Plugin Support › Prove the double optin This topic has 1 reply, 2 voices, and was last updated 6 years, 6 months ago by Stefano. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts June 3, 2018 at 11:43 am #99634 KalushaParticipant Hello, How can I prove the double optin? Is there a possibility? Thanks June 4, 2018 at 8:28 am #99757 StefanoKeymaster If the subscriber is confirmed it can only happens if he confirmed, so this is a proof. Stefano. 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