Mailspring Api returns 500 errors

Description

Any action that involves the mailspring API seems to result in a 500 server error. For example, adding a picture to my signature.

To Reproduce…

Steps to reproduce the behavior:

Go to preferences, signatures and try to upload an image.

Expected Behavior

Being able to upload an image.

Screenshots

Setup

  • OS and Version: MacOS Ventura 13.0 (22A380)
    • Installation Method: installer from website. M1 version
  • Mailspring Version: Version 1.10.5 (1.10.5)

Same problem since a long time!

image

Setup:
Ubuntu 22.04.1 LTS 64-bit
Mailspring: 1.10.6-de5e87ea