Well, as I write this, I do not have any email campaign list or channels, as my autoresponder provider monthly payment could not be sustained.
But honestly, I would choose the Channel Metrics.
This metrics seems to give one a holistic analysis of the email marketing for the company. At a glance, this metric will tend to expose areas to improve on with keeping your email database clean.
+Open rate, Click rate,…
+Conversion rate
CTR tells a complete story in my opinion. Obviously, without optimal deliverability the email would never be opened in the first place. However, good CTR means that email is doing its job properly and is actionable enough to lead to conversions.
Currently I’m working on improving CTR
Working towards improving the CTR and forward rate is important for an email campaign to be successful. Providing readers with a compelling cause to click through will assist boost the CTR and crafting shareable content, including discount coupons etc. help improve the forward rate. Forwards/shares are an excellent approach to increase word-of-mouth marketing by converting your subscribers into brand advocates.
Click through Rate.
Individual metrics because it helps in analyzes of email marketing thereby leading to high conversion rate
Improving how you communicate with your audience and speaking their language in order to solve their pain points, it must come across in your email because you are there to solve their problem.
ROI againts fully automated emails and customer journey - in the long run would help cut company costs and increase revenue