iPhone with an “unable to connect to server” error. If your iPhone or iPad shows the error “Unable to connect to server” randomly, then it’s time to fix. Jun 21, 2013. How to fix the "Login to server imap.mail.me.com failed" error for iCloud on Postbox/Thunderbird email clients. Oct 30, 2014. “Apple has taken local files on my computer not stored in iCloud and silently and without my permission uploaded them…