Your message contains more than one DKIM signature. Home › Forums › Newsletter Plugin Support › Your message contains more than one DKIM signature. This topic has 1 reply, 2 voices, and was last updated 4 years, 10 months ago by Stefano. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts February 7, 2020 at 12:01 pm #246613 nttParticipant Hi there, please someone help me. How can I fix the "Your message contains more than one DKIM signature." problem? I use premium version of Newsletter plugin, and Amazon SES. https://www.mail-tester.com/test-ld7urs7dn Have a nice day! February 7, 2020 at 12:01 pm #246621 StefanoKeymaster Hi we do not add dkim signatures, probably is from your provider. Try to ask them. 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