I have used it for my main email account for some years now. The web client is fine, the iOS client is fine, and the ProtonMail Bridge allows me to bring it int

I have used it for my main email account for some years now. The web client is fine, the iOS client is fine, and the ProtonMail Bridge allows me to bring it into my Mail.app. The encryption is great and the anti-spam works well enough. No complaints.