diff --git a/boards/admin.py b/boards/admin.py
--- a/boards/admin.py
+++ b/boards/admin.py
@@ -1,5 +1,6 @@
 from django.contrib import admin
 from boards.models import Post, Tag, Ban, Thread
+from django.utils.translation import ugettext_lazy as _
 
 
 @admin.register(Post)
@@ -11,6 +12,17 @@ class PostAdmin(admin.ModelAdmin):
     exclude = ('referenced_posts', 'refmap')
     readonly_fields = ('poster_ip', 'thread_new')
 
+    def ban_poster(self, request, queryset):
+        bans = 0
+        for post in queryset:
+            poster_ip = post.poster_ip
+            ban, created = Ban.objects.get_or_create(ip=poster_ip)
+            if created:
+                bans += 1
+        self.message_user(request, _('{} posters were banned').format(bans))
+
+    actions = ['ban_poster']
+
 
 @admin.register(Tag)
 class TagAdmin(admin.ModelAdmin):
diff --git a/boards/views/base.py b/boards/views/base.py
--- a/boards/views/base.py
+++ b/boards/views/base.py
@@ -1,5 +1,4 @@
 from django.db import transaction
-from django.template import RequestContext
 from django.views.generic import View
 
 from boards import utils