Reply To: Trouble assigning Mime Types for attachments

Hi Greg,

Thank you very much for the details!

I logged in, try to add them, and it works on my end: https://i.imgur.com/LwoGG3m.png
Check if you have any browser extensions active, which may change/alter contents of text inputs – like form fills and similar. From the plugin side it works all right, so it is very likely the browser causing the problem.