Authenticating, please wait - fixed, thank you Galaxy S5 Android 5.1.1, does not go beyond "Authenticating, please wait" message, although webmail access works just fine.
Great Application! Quick installation with a clean user interface. This app is a must have on my phone for sending and receiving encrypted emails. If you're concerned about your communication getting out in the wild, download and use this app!
Well done. Easy to use encrypted email app from an industry leader in web and email security.