When comparing Mutt vs Newton, the Slant community recommends Mutt for most people. In the question“What are the best text-based e-mail clients?” Mutt is ranked 1st while Newton is ranked 2nd.
Ranked in these QuestionsQuestion Ranking
Pro Terminal based
Pro Small and efficient
Pro Highly configurable macros
Pro Threads emails
Pro Active development
Even though it was first released in 1995, Mutt still enjoys an active community following it and having new releases constantly.
Pro Work with regular expressions
Mails can be filtered, deleted, flagged, etc. with regular expressions which makes mail management very efficient.
Pro Compose mails in your favorite editor
Edit mails efficiently with an editor you already can work fluently with.
Pro Know who's emailing you
Newton grabs information from LinkedIn, Facebook, and Twitter accounts linked to the sender's email address. It then displays information which can help you figure out who the emailer is, such as their job title and where they work.
Pro Had everything you can dream of
Pro Snooze incoming emails
You can snooze emails to come back at a convenient time - whether it be in 2 hours, or next Wednesday.
Pro Works across multiple platforms
While there is no Windows app, Newton is available on iOS, Android, and macOS, including Android Wear and Apple Watch.
Pro Logs messages to Salesforce
It runs inside the terminal so it doesn't display HTML email, fonts, or graphical elements.
Con Subscription based
Newton costs $49.99 per year after the 14 day free trial.