From: Tom Hughes <tom@compton.nu>
Date: Wed, 1 Nov 2023 09:02:35 +0000 (+0000)
Subject: Allow domain level blocks on email senders
X-Git-Url: https://git.openstreetmap.org./chef.git/commitdiff_plain/2a9c33428c35514b1c6482482a42cd946865e480?ds=sidebyside

Allow domain level blocks on email senders
---

diff --git a/cookbooks/exim/recipes/default.rb b/cookbooks/exim/recipes/default.rb
index 71309e609..ced5a9196 100644
--- a/cookbooks/exim/recipes/default.rb
+++ b/cookbooks/exim/recipes/default.rb
@@ -126,6 +126,12 @@ file "/etc/exim4/blocked-senders" do
   mode "644"
 end
 
+file "/etc/exim4/blocked-sender-domains" do
+  owner "root"
+  group "Debian-exim"
+  mode "644"
+end
+
 if node[:exim][:dkim_selectors]
   keys = data_bag_item("exim", "dkim")
 
diff --git a/cookbooks/exim/templates/default/exim4.conf.erb b/cookbooks/exim/templates/default/exim4.conf.erb
index 0830aa141..6babb839a 100644
--- a/cookbooks/exim/templates/default/exim4.conf.erb
+++ b/cookbooks/exim/templates/default/exim4.conf.erb
@@ -446,6 +446,10 @@ acl_check_rcpt:
           message       = Rejected because $sender_address is blacklisted\nQueries to postmaster@$qualify_domain
           !hosts        = +relay_from_hosts
 
+  deny    sender_domains= partial-lsearch;/etc/exim4/blocked-sender-domains
+          message       = Rejected because $sender_address is blacklisted\nQueries to postmaster@$qualify_domain
+          !hosts        = +relay_from_hosts
+
   # Accept mail to postmaster in any local domain, regardless of the source,
   # and without verifying the sender.