SmarterMail Alternatives [Page 4]

PowerMTA is an industrial-strength software for high-volume email delivery.

Shift is the ultimate email client for managing Mail, Calendar, Drive, Slack, Asana, Jira, Evernote, and all your other favourite apps

freemium

The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.

Visit website paid $19.5 / Monthly (Pro)

Microsoft Office is an office suite of desktop applications, servers, and services for the Microsoft Windows and OS X operating systems.

Mailspring is a mail client for Mac, Windows and Linux.

Open Source

eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.

freemium

Native email app for email productivity.

Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

Full featured email server built in docker with free plan.

Yahoo offers business mail with the brand domain.

Klaviyo helps brands own the customer experience, grow higher-value relationships, and deliver more personalized marketing experiences across email, mobile, and web.

Email marketing software built for designers and their clients to run successful email campaigns.

Airmail is a lightweight and lightning fast mail client for Mac.

GroupWise collaboration software is a premier collaboration tool for large enterprises.