The free software mail client #K9Mail finally got a #Material redesign and tons of other changes & fixes with version 5.700. 
https://github.com/k9mail/k-9/releases
Also available via #FDroid: https://f-droid.org/packages/com.fsck.k9/
Be aware though that this is still a preview release. #Android
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@CryptGoat Awesome, thanks for putting this out there! i was looking to replace it a few days ago because i thought it was unmaintained.
