You should consider all of them insecure and big time snoops if free and/or webmail. If webmail, best you can do is use a paid service with antisnooping in terms of service and preferrably local laws. Just reduces number that will attack you. Anything further requires using something like PGP/GPG over that so they can't read it. Strong endpoint security, too.
Thanks for taking the time to reply.
Non-webmail may not be accessible from everywhere, paid-email entails money exchange which maybe traceable.
Lavabit seems to have been secure enough for Snowden (for a while).
So the question remains:
Yes Free and/or Webmail are bad - which one is the LEAST bad from a privacy & security perspective?
There's a good list here that should allow you to decide for yourself: