alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
data_directory = /var/lib/postfix
debug_peer_level = 2
debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd $daemon_directory/$process_name $process_id & sleep 5
html_directory = no
inet_interfaces = localhost
inet_protocols = all
mail_owner = postfix
mailq_path = /usr/bin/mailq.postfix
milter_default_action = accept
milter_protocol = 2
mydestination = $myhostname, localhost.$mydomain, localhost
mydomain = mydomain.net
myhostname = moria.mydomain.net
mynetworks = 168.100.189.0/28, 127.0.0.0/8
myorigin = $mydomain
newaliases_path = /usr/bin/newaliases.postfix
non_smtpd_milters = inet:localhost:8891
queue_directory = /var/spool/postfix
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
smtpd_client_restrictions = permit_mynetworks, reject
smtpd_milters = inet:localhost:8891
smtpd_recipient_restrictions = permit_mynetworks, reject_unauth_destination
unknown_local_recipient_reject_code = 550

sudo cat /var/log/maillog | grep 60D0C236377
Oct 23 10:58:23 vps283594 postfix/pickup[9068]: 60D0C236377: uid=995 from=<saga.a@mydomain.com>
Oct 23 10:58:23 vps283594 postfix/cleanup[9582]: 60D0C236377: message-id=<7baa68a138bdd54a6f37a4e3602a07af@mydomain.com>
Oct 23 10:58:23 vps283594 opendkim[18951]: 60D0C236377: no signing domain match for 'mydomain.com'
Oct 23 10:58:23 vps283594 opendkim[18951]: 60D0C236377: no signing subdomain match for 'mydomain.com'
Oct 23 10:58:23 vps283594 postfix/qmgr[6298]: 60D0C236377: from=<saga.a@mydomain.com>, size=1991, nrcpt=1 (queue active)
Oct 23 10:59:23 vps283594 postfix/smtp[9617]: 60D0C236377: to=<annika.rantzen@gmail.com>, relay=none, delay=60, delays=0.04/0.02/60/0, dsn=4.4.1, status=deferred (connect to alt2.gmail-smtp-in.l.google.com[2404:6800:4003:c01::1b]:25: Network is unreachable)