Promising but buggy...

This is indeed very promising client but I cannot afford to play with it while using at work. Those bugs are not just cosmetic.
I wouldn’t recommend to use that SW and wish to get my money back.
Developers shouldn’t verify their product at the expense of our data integrity (for those who has many mails) and collecting money for such unmature product.
Back on the native Mac mail client which doesn’t have many features but preductable and reliable.

KT.75 about Airmail - Lightning Fast Email, v2.0.3