SSL and https usually mean the same thing.
Try backing up your electrum directory and then deleting the contents of the certs sub-directory. Then see if electrum will connect over "SSL". You can find the electrum dir using this guide:
https://en.bitcoin.it/wiki/Electrum#Wallet_FileSSL certs were changed following the heartbleed bug. Maybe electrum needs to be told to refresh its cached certs and by deleting them you can force it to do so.