I can't update my users' phones for them. Just pointing out that users stuck on older versions of Android, for whatever reason, may run into problems with the f

I can't update my users' phones for them. Just pointing out that users stuck on older versions of Android, for whatever reason, may run into problems with the free cert. In the mail client, it will work if "TLS (if available)" is checked, but that's a departure from what other mail clients mean by that option.