diff --git a/config/services/mail/default.nix b/config/services/mail/default.nix
index 4051377f..f9ef669f 100644
--- a/config/services/mail/default.nix
+++ b/config/services/mail/default.nix
@@ -50,6 +50,8 @@ with lib;
     enablePop3 = true;
     enableImapSsl = true;
     enablePop3Ssl = true;
+    enableSubmission = false;
+    enableSubmissionSsl = true;
 
     # Enable the ManageSieve protocol
     enableManageSieve = true;
diff --git a/wiki b/wiki
index 0d9ebda4..84424d30 160000
--- a/wiki
+++ b/wiki
@@ -1 +1 @@
-Subproject commit 0d9ebda4935538a9eaf039e87a2f6617d55f20cd
+Subproject commit 84424d30d79b7a8eb00b086365d6e3678436632b