...
no
... Ubuntu 17
...
Bug?
...no
...no
...
-- Where can I view the header of an email? So I can find the senders IP
Feature Request?
... yes
I would also be interested in knowing how to do this.
Currently possible: when reading a message, click in the blank space between the message time and the reply buttons. A short menu will pop up, click "Show Original"
Short example video like this: http://share.jermops.com/292E1L0J3X2Y
Thank you, @jerm! It would be great if this feature/features could get into the chevron button to the right of where you are supposed to click right now. +1 tho!

PoC: https://github.com/Foundry376/Mailspring/commit/a7081269f2fd3899968d4a914f514f9262cf2e7c

I'm not sure what the process is for selecting an icon. If any maintainers are interested in this feature and can provide some feedback on the icon, let me know and I will try to get it into a PR.
Most helpful comment
Thank you, @jerm! It would be great if this feature/features could get into the chevron button to the right of where you are supposed to click right now. +1 tho!