Mail Server is installed, but isn't working and its returning this
"Sorry, something went wrong:
Traceback (most recent call last):
File "/www/server/panel/class/panelPlugin.py", line 1601, in a
plugin_main = import(get.name+'_main');
File "/usr/lib64/python2.7/site-packages/gevent/builtins.py", line 96, in import
result = _import(args, **kwargs)
File "plugin/mail_sys/mail_sys_main.py", line 17, in
import dns.resolver
File "/usr/lib64/python2.7/site-packages/gevent/builtins.py", line 96, in import
result = _import(args, **kwargs)
ImportError: No module named dns.resolver"