try to make the postfix milter part better searched and some debugging to opendkim and turn off the sending of reports

roles/base/files/postfix/main.cf/main.cf.copr

@@ -691,8 +691,3 @@ inet_protocols = ipv4
 # send any email. ;(
 smtpd_recipient_restrictions = permit_mynetworks, reject_unauth_destination
 
-# Milter configuration
-milter_default_action = accept
-milter_protocol = 6
-smtpd_milters = inet:127.0.0.1:8891
-non_smtpd_milters = $smtpd_milters

roles/base/files/postfix/main.cf/main.cf.gateway

@@ -786,9 +786,11 @@ tls_random_source                       = dev:/dev/urandom
 tls_eecdh_strong_curve = prime256v1
 tls_eecdh_ultra_curve = secp384r1
 
-## Other configs from standard
-smtpd_milters           = inet:localhost:8891
-milter_default_action   = accept
+# Milter configuration
+milter_default_action = accept
+milter_protocol = 6
+smtpd_milters = inet:127.0.0.1:8891
+non_smtpd_milters = $smtpd_milters
 
 # Deny email from some domains
 smtpd_sender_restrictions = regexp:/etc/postfix/sender_access
@@ -802,3 +804,4 @@ message_size_limit = 20971520
 # as outlined http://www.postfix.org/SMTPD_ACCESS_README.html
 # At least one is required to receive email
 smtpd_relay_restrictions = permit_mynetworks, reject_unauth_destination
+

roles/opendkim/files/opendkim.conf

@@ -61,12 +61,12 @@ Umask	002
 
 ##  This specifies a text file in which to store DKIM transaction statistics.
 ##  OpenDKIM must be manually compiled with --enable-stats to enable this feature.
-# Statistics	/var/spool/opendkim/stats.dat
+Statistics	/var/spool/opendkim/stats.dat
 
 ##  Specifies whether or not the filter should generate report mail back
 ##  to senders when verification fails and an address for such a purpose
 ##  is provided. See opendkim.conf(5) for details.
-SendReports	yes
+SendReports	no
 
 ##  Specifies the sending address to be used on From: headers of outgoing
 ##  failure reports.  By default, the e-mail address of the user executing