I've liked Airmail, but it has a tendency towards weird bugs (e.g. adding gibberish attachments to email chains in large numbers). Email tools, imho, need to be

I've liked Airmail, but it has a tendency towards weird bugs (e.g. adding gibberish attachments to email chains in large numbers). Email tools, imho, need to be 'boring', stable, and predictable, and Airmail never has been, any of the times I've tried to use it.