Sounds like you’re using K-9 Mail 5.600. Saving attachments on modern Android versions should be a nicer experience when using the beta version (5.7xx). See How do I become a beta tester?
Sounds like you’re using K-9 Mail 5.600. Saving attachments on modern Android versions should be a nicer experience when using the beta version (5.7xx). See How do I become a beta tester?