Should I use GMX Mail?

Should I consider using GMX Mail as my primary email service? I've heard mixed reviews and I'm not sure if it's the right choice for me. I'm looking for an email service that offers good security, reliability, and ease of use. Is GMX Mail able to provide these features? Also, I'm concerned about the privacy of my personal information. Can GMX Mail guarantee the safety of my data? Finally, how does GMX Mail compare to other popular email providers in terms of pricing and features? I'd like to make an informed decision before switching to a new email service.