filter question

[john sumner]

i think this might be a dumb question but how do i filter out people who 
post from google groups on seamonkey, or have it in a way so i know
people are posting from there and if they are trolls i can plonk them 
from there
_______________________________________________
support-seamonkey mailing list
support-seamonkey@lists.mozilla.org
https://lists.mozilla.org/listinfo/support-seamonkey