"diagnostic emails are delivered but test emails are not" Home › Forums › Newsletter Plugin Support › "diagnostic emails are delivered but test emails are not" This topic has 1 reply, 1 voice, and was last updated 7 years, 10 months ago by Pawel. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts December 6, 2016 at 9:55 am #27873 PawelParticipant Hi, After newsletter update I have this problem “diagnostic emails are delivered but test emails are not” Encoding to “base 64” – not changing anything. What to do? Regards, Pawel December 6, 2016 at 1:05 pm #27882 PawelParticipant Solved. After migration, in the database was old SMTP address. 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