don't group emails by conversation / thread by default but allow for either configuration or toggling

It would be nice to be able to click on an attachment and have it open with the default program rather than downloading to a folder and then having to go find it and open it from there.Otherwise I appreciate the ability to have an easy-to-install-...

Hi, I prefer to have my list of mails on the left, and have the selected mail open on the right... Opening the selected mail fullscreen makes me loose track of where I am... it confuses me. Not sure if this is possible though....

Will be more productive. The scrolling speed is too slow, I rather user the scroll bar than to actually scroll because I have to scroll like a thousand times to get anywhere. I'm running Linux Fedora 26.

I would very much like a dark theme, Hiri is the only application I have installed in Linux that uses a light theme, and while the design in general is very nice, the bright light is making my eyes bleed.

Would like to be able to select an attached PDF and view the thing without having to download it, find it, open it. An "outlook" style inline viewer would be very convenient.

This would be great, especially I suspect that a significant and growing proportion of your clients are developers on Linux. We guys have to see this kind of stuff. Perhaps you could use the same structure that pops a message into its own window, ...

I Don't want to send comments via my configured CORPORATE EMAIL. My comments toward your company are between myself the consumer, and you the software provider. Having nothing to do with my configured email. Guys: Your user-base is not gmail users...

The threaded conversation view can be a bit of a problem. Recent e-mails can get lost in the clutter of a conversation. I would prefer to have the option to just sort e-mails by date, and then click a button to view them by thread if I want to be ...

A way to select multiple emails by holding the shift key down. Currently, you are only able to select emails one by one, for enterprise users who get a lot of emails -- and especially people who work in IT that have tons of automatically generated...