From b7804884c028822ef34aff7e073389a496427f5b Mon Sep 17 00:00:00 2001
From: Christian Merten <christian@merten.dev>
Date: Mon, 2 Dec 2024 22:18:36 +0100
Subject: [PATCH] Revert "mailer: remove manual message ids"

This reverts commit 8633c41b8aac566e4d14c4543f017acc69e6e3bf.
---
 jdav_web/mailer/models.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/jdav_web/mailer/models.py b/jdav_web/mailer/models.py
index 5059d11..a33267b 100644
--- a/jdav_web/mailer/models.py
+++ b/jdav_web/mailer/models.py
@@ -151,6 +151,8 @@ class Message(CommonModel):
         # remove any underscores from subject to prevent Arne from using
         # terrible looking underscores in subjects
         self.subject = self.subject.replace('_', ' ')
+        # generate message id
+        message_id = "<{pk}@{domain}>".format(pk=self.pk, domain=settings.DOMAIN)
         # reply to addresses
         reply_to = [jl.association_email for jl in self.reply_to.all()]
         reply_to.extend([ml.email for ml in self.reply_to_email_address.all()])
@@ -170,6 +172,7 @@ class Message(CommonModel):
             success = send(self.subject, get_content(self.content, registration_complete=True),
                            from_addr,
                            emails,
+                           message_id=message_id,
                            attachments=attach,
                            reply_to=reply_to)
             if success == SENT or success == PARTLY_SENT: