Thunderbird bz 579023 still not fixed even though there is an upstream fix available

[Bruno Wolff III]

On Tue, Apr 27, 2010 at 17:55:39 -0400,
  Matt McCutchen <matt at mattmccutchen.net> wrote:
> 
> Epiphany is a non-starter.  In the default configuration, it doesn't
> validate SSL certificates at all (bug 569577).  An unbranded Mozilla
> browser would be a much better choice.

The way Firefox does it, is more to help companies sell certificates than to
actually help security.