diff --git a/src/Vervis/Handler/Group.hs b/src/Vervis/Handler/Group.hs
index 71dd001..2dc473f 100644
--- a/src/Vervis/Handler/Group.hs
+++ b/src/Vervis/Handler/Group.hs
@@ -43,33 +43,29 @@ module Vervis.Handler.Group
     )
 where
 
-import Control.Monad.IO.Class (liftIO)
-import Data.Maybe (fromMaybe)
-import Data.Time.Clock (getCurrentTime)
-import Database.Esqueleto hiding ((==.), (!=.), delete)
+import Control.Monad.Trans.Except
+import Data.Text (Text)
 import Database.Persist
-import Text.Blaze.Html (Html)
-import Yesod.Auth (requireAuthId)
-import Yesod.Core (defaultLayout, setMessage)
+import Data.ByteString (ByteString)
 import Yesod.Core.Content (TypedContent)
 import Yesod.Core.Handler
-import Yesod.Form.Functions (runFormPost)
-import Yesod.Form.Types (FormResult (..))
 import Yesod.Persist.Core
 
 import qualified Database.Esqueleto as E
 
+import Network.FedURI
 import Yesod.ActivityPub
 import Yesod.FedURI
 import Yesod.Hashids
 
 import qualified Web.ActivityPub as AP
 
+import Vervis.Federation.Auth
+import Vervis.FedURI
 import Vervis.Foundation
 import Vervis.Model
 import Vervis.Model.Group
-import Vervis.Settings (widgetFile)
-import Vervis.Time (showDate)
+import Vervis.Recipient
 import Vervis.Web.Actor
 
 getGroupR :: KeyHashid Group -> Handler TypedContent
@@ -110,8 +106,19 @@ getGroupR groupHash = do
 getGroupInboxR :: KeyHashid Group -> Handler TypedContent
 getGroupInboxR = getInbox GroupInboxR groupActor
 
-postGroupInboxR :: KeyHashid Group -> Handler TypedContent
-postGroupInboxR _ = error "Temporarily disabled"
+postGroupInboxR :: KeyHashid Group -> Handler ()
+postGroupInboxR recipGroupHash =
+    postInbox $ handleRobotInbox (LocalActorGroup recipGroupHash) handle
+    where
+    handle
+        :: RemoteAuthor
+        -> Maybe (RecipientRoutes, ByteString)
+        -> LocalURI
+        -> AP.SpecificActivity URIMode
+        -> ExceptT Text Handler (Text, Maybe (ExceptT Text Worker Text))
+    handle _author _mfwd _luActivity specific =
+        case specific of
+            _ -> return ("Unsupported activity type for groups", Nothing)
 
 getGroupOutboxR :: KeyHashid Group -> Handler TypedContent
 getGroupOutboxR = getOutbox GroupOutboxR groupActor