diff --git a/data/conf/rspamd/custom/bulk_header.map b/data/conf/rspamd/custom/bulk_header.map
index f9738610..bebdba3d 100644
--- a/data/conf/rspamd/custom/bulk_header.map
+++ b/data/conf/rspamd/custom/bulk_header.map
@@ -3,7 +3,6 @@
 /.*nur-1-click*/i
 /.*episerver.*/i
 /.*supergewinne.*/i
-/.*mailer-service\.de/i
 /List-Unsubscribe.*nbps\.eu/i
 /X-Mailer: AWeber.*/i
 /.*regiofinder.*/i