Hi Kevin,
Actually its the plug in ‘Easy Forms for Mailchimp’ generating the sign-up form, mail chimp is only gathering the email addresses into a list. I’ve had trouble before with Mailchimps own scripts dropping people on aol and gmail. Perhaps I should try that way though as there would seem to be more control, I don’t see options in the plug in to control the content of the confirmation email and it gives out my address which is a requirement on the account settings back on mail chimp.
Thanks,
Tony