diff --git a/core/mail/migrations/0006_email_raw_file.py b/core/mail/migrations/0006_email_raw_file.py
new file mode 100644
index 0000000..1288bcf
--- /dev/null
+++ b/core/mail/migrations/0006_email_raw_file.py
@@ -0,0 +1,36 @@
+# Generated by Django 4.2.7 on 2024-11-08 20:37
+from django.core.files.base import ContentFile
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mail', '0005_alter_eventaddress_event'),
+    ]
+
+    def move_raw_mails_to_file(apps, schema_editor):
+        Email = apps.get_model('mail', 'Email')
+        for email in Email.objects.all():
+            raw_content = email.raw
+            email.raw_file = ContentFile(raw_content)
+            email.raw = None
+            email.save()
+
+    operations = [
+        migrations.AddField(
+            model_name='email',
+            name='raw_file',
+            field=models.FileField(null=True, upload_to='raw_mail/'),
+        ),
+        migrations.RunPython(move_raw_mails_to_file),
+        migrations.RemoveField(
+            model_name='email',
+            name='raw',
+        ),
+        migrations.AlterField(
+            model_name='email',
+            name='raw_file',
+            field=models.FileField(upload_to='raw_mail/'),
+        ),
+    ]
diff --git a/core/mail/models.py b/core/mail/models.py
index 378854b..65371fe 100644
--- a/core/mail/models.py
+++ b/core/mail/models.py
@@ -18,7 +18,7 @@ class Email(SoftDeleteModel):
     recipient = models.CharField(max_length=255)
     reference = models.CharField(max_length=255, null=True, unique=True)
     in_reply_to = models.CharField(max_length=255, null=True)
-    raw = models.TextField()
+    raw_file = models.FileField(upload_to='raw_mail/')
     issue_thread = models.ForeignKey(IssueThread, models.SET_NULL, null=True, related_name='emails')
     event = models.ForeignKey(Event, models.SET_NULL, null=True)
 
diff --git a/core/mail/protocol.py b/core/mail/protocol.py
index a87f1a6..926e8c2 100644
--- a/core/mail/protocol.py
+++ b/core/mail/protocol.py
@@ -206,7 +206,7 @@ def receive_email(envelope, log=None):
 
     email = Email.objects.create(
         sender=sender, recipient=recipient, body=body, subject=subject, reference=header_message_id,
-        in_reply_to=header_in_reply_to, raw=envelope.content, event=target_event,
+        in_reply_to=header_in_reply_to, raw_file=ContentFile(envelope.content), event=target_event,
         issue_thread=active_issue_thread)
     for attachment in attachments:
         email.attachments.add(attachment)
diff --git a/core/requirements.dev.txt b/core/requirements.dev.txt
index 146aa37..3807a6c 100644
--- a/core/requirements.dev.txt
+++ b/core/requirements.dev.txt
@@ -73,3 +73,5 @@ watchfiles==0.21.0
 websockets==12.0
 yarl==1.9.4
 zope.interface==6.1
+django-prometheus==2.3.1
+prometheus_client==0.21.0