[vifon]

If you want your email reliably encrypted, encrypt it yourself. GPG works the same regardless of the provider.

[ashtonkem]

Only if you assume that the only valuable thing in your communications is the content, which is simply not true. Metadata, who is speaking to whom and when, is incredibly valuable as a surveillance tool.

[wiz21c]

and I guess that using GPG will instantly flag you as suspect :-(

[fsflover]

Please do it. The more "suspects" there are, the better for everyone.