Here are mail log output Jun 30 15:09:10 mail5 postfix/smtp[14501]: 6D2F512E07D2: to=<[email protected]>, relay=gmail-smtp-in.l.google.com[74.125.28.27]:25, delay=25985, delays=25982/0.7/0.51/1.9, dsn=4.3.0, status=deferred (bounce or trace service failure) Jun 30 15:09:10 mail5 postfix/smtp[14510]: C446F12E0D45: to=<[email protected]>, relay=aresap03.progressive.com[170.218.236.63]:25, delay=621508, delays=621505/0.05/2.9/0.28, dsn=4.3.0, status=deferred (bounce or trace service failure) main.cf bounce_queue_lifetime = 1d delay_warning_time = 4h myhostname = mail5.abcsitehosting.com smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no inet_protocols = ipv4 virtual_transport = dovecot virtual_mailbox_domains = mysql:/etc/postfix/mysql-virtual-mailbox-domains.cf virtual_mailbox_maps = mysql:/etc/postfix/mysql-virtual-mailbox-maps.cf virtual_alias_maps = mysql:/etc/postfix/mysql-virtual-alias-maps.cf smtpd_tls_cert_file = /etc/ssl/new/mail5.abcsitehosting.com.crt smtpd_tls_key_file = /etc/ssl/new/mail5.abcsitehosting.com.key smtpd_use_tls = yes smtpd_tls_auth_only = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination smtpd_sasl_local_domain = $myhostname broken_sasl_auth_clients = yes smtp_tls_security_level=may smtpd_tls_security_level = may smtp_tls_note_starttls_offer = yes smtpd_tls_loglevel = 0 smtpd_tls_received_header = yes smtpd_tls_session_cache_timeout = 36s tls_random_source = dev:/dev/urandom smtpd_sasl_authenticated_header = yes smtpd_sender_restrictions = permit_sasl_authenticated, permit_tls_clientcerts, reject_unknown_sender_domain, reject_unlisted_sender smtpd_tls_mandatory_protocols = SSLv3, TLSv1 smtpd_tls_mandatory_ciphers = medium append_dot_mydomain = no readme_directory = no smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated reject_unauth_destination myorigin = $mydomain mydestination = $myhostname, localhost.$mydomain, localhost mynetworks = 127.0.0.0/8 192.168.6.0/24 mailbox_command = /usr/lib/dovecot/deliver -c /etc/dovecot/conf.d/01-dovecot-postfix.conf -n -m "${EXTENSION}" mailbox_size_limit=0 message_size_limit = 34865152 dovecot_destination_recipient_limit = 1 recipient_delimiter = + content_filter = smtp-amavis:[127.0.0.1]:10024 proxy_read_maps = $local_recipient_maps local_recipient_maps = unixasswd.byname mydomain = abcsitehosting.com MASTER.cf smtp inet n - n - - smtpd submission inet n - - - - smtpd -o content_filter=spamassassin -o smtpd_tls_security_level=encrypt -o smtpd_sasl_auth_enable=yes -o smtpd_client_restrictions=permit_sasl_authenticated,reject -o milter_macro_daemon_name=ORIGINATING smtps inet n - - - - smtpd -o smtpd_tls_wrappermode=yes -o smtpd_sasl_auth_enable=yes -o smtpd_client_restrictions=permit_sasl_authenticated,reject -o milter_macro_daemon_name=ORIGINATING pickup fifo n - n 60 1 pickup cleanup unix n - n - 0 cleanup qmgr fifo n - n 300 1 qmgr tlsmgr unix - - n 1000 1 tlsmgr rewrite unix - - n - - trivial-rewrite bounce unix n - n - 0 bounce defer unix - - n - 0 bounce trace unix - - n - 0 bounce verify unix n - n - 1 verify flush unix n - n 1000 0 flush proxymap unix n - n - - proxymap proxywrite unix n - n - 1 proxymap smtp unix - - n - - smtp relay unix n - n - - smtp showq unix n - n - - showq error unix n - - - - error retry unix - - - - - error discard unix n - - - - discard local unix - n n - - local virtual unix n n n - - virtual lmtp unix n - - - - lmtp anvil unix - - - - 1 anvil scache unix - - - - 1 scache dovecot unix - n n - - pipe flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -f ${sender} -d ${user}@${nexthop} maildrop unix n n n - - pipe flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient} uucp unix n n n - - pipe flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient) ifmail unix n n n - - pipe flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient) bsmtp unix n n n - - pipe flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender $recipient scalemail-backend unix n n n - 2 pipe flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store ${nexthop} ${user} ${extension} mailman unix n n n - - pipe flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py ${nexthop} ${user} spamassassin unix - n n - - pipe user=spamd argv=/usr/bin/spamc -f -e /usr/sbin/sendmail -oi -f ${sender} ${recipient}