When you insert a read more button it doesn't have the target="blank" or an option for it. When you put an article in the email you have it set to target="blank". You need the consistency through out. If a client clicks on the "Click here to view it online " to view it in a browser the Read More button takes them away from the web page and the article opens a new tab. Best practices are to open a new tab. How about a fix for that in the next update....pretty simple