Unable to run "mailinabox"command

[cromulus]

I think this is the solution here:

OpenSSL error when running 'sudo mailinabox'

I have the same problem. After running a sudo mailinabox, I ran into the same error! Here is the feedback in copy: FAILED: pip3 install email_validator>=1.0.0 ----------------------------------------- Traceback (most recent call last): File "/usr/local/bin/pip3", line 11, in <module> load_entry_point('pip==1.5.4', 'console_scripts', 'pip3')() File "/usr/local/lib/python3.4/dist-packages/pkg_resources/__init__.py", line 565, in load_entry_point return get_distribution(dist).load_ent…