I would love to have more options in this space but email is to foundational to leave to a beta service that doesn't have 24/7 support, may have black-hole deli

I would love to have more options in this space but email is to foundational to leave to a beta service that doesn't have 24/7 support, may have black-hole delivery issues and doesnt' have a calendar solution. Charge more and address these drawbacks, or get out of the business. You're offerring 1/2 the required features instead of focusing on the core requirements.