Try K9 Material [1], an unofficial fork using Material design. It works just like the regular version but looks a bit more in-line with the rest of modern Andro

Try K9 Material [1], an unofficial fork using Material design. It works just like the regular version but looks a bit more in-line with the rest of modern Android. [1] https://f-droid.org/en/packages/com.fsck.k9.material/ https://f-droid.org/en/packages/com.fsck.k9.material/