* Remove SSL-Optional and TLS-Optional choices from UI
* Remove SSL-Optional and TLS-Optional choices from providers.xml
* Switch over most SMTP connections from 25 to 587
* Clean up the providers list which has a lot of "optional" cases
that were probably falling back to unencrypted.
Fixes bugs:
2110243 Settings UI shouldn't offer SSL/TLS (if available) options
2089070 Update list of providers
Change-Id: I57be57b349eed33a5284121d904528279a36a91c
This reverts commit f6ab8aaec8.
Revert because TMO IPs are rejecteb by Cox SMPT server for
spam reasons (spamhouse filtering).
Revert while waiting for a solution to be found by TMO/Cox.