1 files changed, 2 insertions, 0 deletions

diff --git a/conf.d/020_acl.conf b/conf.d/020_acl.conf
index 3b1ce2a..dfd210b 100644
--- a/conf.d/020_acl.conf
+++ b/conf.d/020_acl.conf
@@ -41,7 +41,9 @@ acl_check_alias:
 acl_check_rcpt_host_policy:
 
   # Accept all messages from trusted hosts and relays.
+  # Also disable DKIM signature check as mailing list servers may alter messages.
   accept   hosts         = +trusted_relay_hosts
+           control       = dkim_disable_verify
 
   # Deny messages from hosts known to be bad.
   deny     dnslists      = sbl-xbl.spamhaus.org : bl.spamcop.net