[base/postfix] Change the Red Hat relay to mx1.redhat.com

The relay changed the IP it points to, let's try this and see if that helps.

Signed-off-by: Michal Konecny <mkonecny@redhat.com>

roles/base/files/postfix/bysender

@@ -1 +1 @@
-@redhat.com [mx2.redhat.com]
+@redhat.com [mx1.redhat.com]

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

@@ -744,7 +744,7 @@ smtp_tls_CAfile  =   /etc/pki/tls/certs/ca-bundle.crt
 smtp_tls_chain_files = /etc/pki/tls/private/gateway-chain.pem
 smtp_tls_security_level = may
 smtp_tls_connection_reuse = no
-smtp_connection_cache_destinations = mx2.redhat.com,gmail.com,google.com,scrye.com,redhat.com
+smtp_connection_cache_destinations = mx1.redhat.com,gmail.com,google.com,scrye.com,redhat.com
 smtp_tls_session_cache_database = btree:/var/lib/postfix/smtp_scache
 smtp_tls_session_cache_timeout = 3600s
 smtp_tls_policy_maps = hash:/etc/postfix/tls_policy                                                 

roles/base/files/postfix/main.cf/main.cf.mailman01.stg.iad2.fedoraproject.org

@@ -694,3 +694,5 @@ owner_request_special = no
 transport_maps = hash:/var/lib/mailman3/data/postfix_lmtp
 local_recipient_maps = hash:/var/lib/mailman3/data/postfix_lmtp
 relay_domains = hash:/var/lib/mailman3/data/postfix_domains
+
+smtpd_recipient_restrictions = permit_mynetworks, reject_unauth_destination

roles/base/files/postfix/tls_policy

@@ -1 +1 @@
-[mx2.redhat.com]  none
+[mx1.redhat.com]  none

roles/base/files/postfix/transports.gateway

@@ -299,9 +299,9 @@
 #                                                                   TRANSPORT(5)
 
 fedora.redhat.com :
-redhat.com smtp:[mx2.redhat.com]
-.redhat.com smtp:[mx2.redhat.com]
-ceylon-lang.org smtp:[mx2.redhat.com]
+redhat.com smtp:[mx1.redhat.com]
+.redhat.com smtp:[mx1.redhat.com]
+ceylon-lang.org smtp:[mx1.redhat.com]
 lists.stg.fedoraproject.org  smtp:[mailman01.stg.iad2.fedoraproject.org]
 lists.stg.fedorahosted.org   smtp:[mailman01.stg.iad2.fedoraproject.org]
 lists.stg.pagure.io          smtp:[mailman01.stg.iad2.fedoraproject.org]

roles/opendkim/files/opendkim.conf

@@ -118,7 +118,7 @@ InternalHosts	refile:/etc/opendkim/TrustedHosts
 ##  whose mail should be neither signed nor verified by this filter.  See man
 ##  page for file format.
 # PeerList	X.X.X.X
-PeerList	mx2.redhat.com
+PeerList	mx1.redhat.com
 
 ##  Always oversign From (sign using actual From and a null From to prevent
 ##  malicious signatures header fields (From and/or others) between the signer