https://www.getmailspring.com/
Mailspring - The best free email app
Mailspring: The open-source, extensible email app for Mac, Linux, and Windows with open tracking, link click tracking, contacts enrichment data and more.
best freeemail appmailspring
https://community.getmailspring.com/
Mailspring Community - Share plugins and themes, find community-based support, and participate in...
The official Mailspring community. Share plugins and themes, find community-based support, and participate in development discussions.
share pluginsbased support