@Kurash-RexThat's a great idea. Thunderbird for Android already retrieves the mail account data using QR codes. It would be brilliant for it to also retrieve spam filter using the same method.
While the concept of Thunderbird on Android is terrific the current solution is, for most people, half baked. Without a spam filter it is unusable for the vast majority of users. I have installed it and attempted to use it but to no avail with no opt...