React to contact threads were treated like normal contact threads.

Author: fourjr

CHANGELOG.md

@@ -6,11 +6,17 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 This project mostly adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html);
 however, insignificant breaking changes do not guarantee a major version bump, see the reasoning [here](https://github.com/kyb3r/modmail/issues/319). If you're a plugin developer, note the "BREAKING" section.
 
-# 3.7.2
+# v3.7.3
+
+### Fixed
+
+- React to contact threads were treated like normal contact threads. ([GH #2881](https://github.com/kyb3r/modmail/issues/2881))
+
+# v3.7.2
 
 ### Added
 
-- Added `mention_channel_id` to specify which channel `alert_on_mention` was being sent to ([GH #2880](https://github.com/kyb3r/modmail/issues/2880))
+- Added `mention_channel_id` to specify which channel `alert_on_mention` was being sent to. ([GH #2880](https://github.com/kyb3r/modmail/issues/2880))
 
 ### Fixed
 

core/thread.py

@@ -155,7 +155,7 @@ async def setup(self, *, creator=None, category=None, initial_message=None):
         await channel.edit(topic=f"User ID: {recipient.id}")
         self.ready = True
 
-        if creator:
+        if creator != recipient:
             mention = None
         else:
             mention = self.bot.config["mention"]
@@ -191,7 +191,7 @@ async def send_recipient_genesis_message():
             embed.set_footer(text=footer, icon_url=self.bot.guild.icon_url)
             embed.title = self.bot.config["thread_creation_title"]
 
-            if creator is None:
+            if creator != recipient:
                 msg = await recipient.send(embed=embed)
 
                 if recipient_thread_close: