Considering 3rd party email apps to help streamline my work

I've been a lifelong Gmail user, but now I've recently been checking mail alternatives—especially for MacOS. Spark looks enticing with their AI features and all that, but then it got me thinking if it's safe. After all, almost all of my digital and social media accounts 2FA are through email, so my whole digital existence is pretty much screwed if Spark isn't safe.

Can any of you guys recommend an app to use? Personally Spark looks the best for me …

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