Wow, a spec with a filename with colons in it. Going crazy. How about something like this instead: 20230904T1347-sender@example.com-GTfrlwJfN5vyR28R Fewer un

Wow, a spec with a filename with colons in it. Going crazy. How about something like this instead: 20230904T1347-sender@example.com-GTfrlwJfN5vyR28R Fewer underscore also mean better readability to me.