Just chiming in as a happy user of 33mail - congratulations and I'm happy to know that it is sustainable and growing.
One suggestion would be to better advertise new features to existing users - I was going to suggest adding 2FA authentication, and went for a quick check on my account, and it was already available :-)
One suggestion would be to better advertise new features to existing users - I was going to suggest adding 2FA authentication, and went for a quick check on my account, and it was already available :-)