service/lists.md

@@ -27,7 +27,7 @@ tracking this work, which includes updating this document.
 
 # How-to
 
-## create a list
+## Create a list
 
 A list can be created by running `mailman-wrapper create` on the mailing list server
 (currently `lists-01`):
@@ -48,6 +48,16 @@ subject line to lower case.
 If people want to have specific settings (no archive, no public
 listing, etc.), can you set them also at this stage.
 
+Be careful that new mailing lists do *not* have the proper DMARC
+mitigations set, which will make deliverability problematic. To
+workaround this, run this mitigation in a shell:
+
+```
+ssh lists-01.torproject.org mailman-wrapper shell -l LISTNAME -r tpa.mm3_tweaks.mitigate
+```
+
+This is tracked in [issue 41853](https://gitlab.torproject.org/tpo/tpa/team/-/issues/41853).
+
 ## Remove a list
 
 To remove a list, use the `mailman-wrapper remove` command. Be careful