Getresponse is known to bind your account to bad ip pools as soon as they catch bad metrics (ie. unhealthy open/click rate) and your emails will start landing immediately to spam folder and there's almost nothing you can do about it.
It’s not the software…it’s how you email. Don’t do broadcast
This may sound crazy but it actually works with get response. In the subject line insert a . somewhere between a word. Example Are you looking to work online? Put Are you looking to work on.line? I know crazy but it has worked for me I have tested it about a 100 times. Without it goes to my test gmail accounts spam or advertisement folder, With it into primary.
Here are some best practices to keep your emails from falling into spam folders:
Hope this will help you to avoid being landed in the spam folder. Alternatively, you can contact the customer support of the autoresponder. They should be able to assist you on this matter.