The UI looks great and is easy to use. It's fairly customizable and I don't run into any performance issues. There's almost nothing confusing about it and I really like the read receipts.

Mailspring has never given me any problems with its interface, its ability to send/recieve messages or its ability to allow me to acess my mail. I realize that in stating this, it may seem obvious that these would be features included with email software - they certainly ought to be. Mailspring delivers on these bsaic, yet essential functions to make sure you can read your email with clarity and ease.

Mailspring is an excellent customer relationship management application that allows us to centralize a single database in the cloud to manage the data of all interactions between a company and its customers. It has a very comfortable and easy to use interface for the user and we can easily use it from our computer from your website or from a browser widget or from our phone from your application in Google play and in the application store. Mailspring is very useful key features for email tracking, accessing social media and building a target profile.