Aug 28 04:27:26 cyrcee postfix/local[957]: warning: nis:mail.aliases: lookup of 'selune' failed
Aug 28 04:27:26 cyrcee postfix/local[957]: E7D713C009B: to=<selune@lunae.community>, relay=local, delay=4946, delays=4946/0.01/0/0, dsn=4.3.0, status=deferred (**alias database unavailable**)

mydomain = lunae.community
myorigin = $mydomain
smtpd_banner = $myhostname ESMTP $mail_name
biff = no
minimal_backoff_time = 1000s
maximal_backoff_time = 8000s
smtp_helo_timeout = 60s
virtual_transport = dovecot
virtual_alias_maps = mysql:/etc/postfix/mysql_virtual_alias_maps.cf, mysql:/etc/postfix/mysql_virtual_alias_domainaliases_maps.cf
virtual_mailbox_domains = mysql:/etc/postfix/mysql_virtual_domains_maps.cf
virtual_mailbox_maps = mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf
virtual_mailbox_base = /var/vmail
virtual_uid_maps = static:150
virtual_gid_maps = static:8
smtp_use_tls = yes
smtp_tls_security_level = may
smtp_tls_loglevel = 1
smtp_tls_note_starttls_offer = yes

smtpd_tls_auth_only = yes
smtpd_use_tls = yes
smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key
smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt
smtpd_tls_CAfile = /etc/postfix/ssl/cacert.pem
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
smtpd_tls_session_cache_timeout = 3600s
tls_random_source = dev:/dev/urandom
smtpd_recipient_limit = 16
# how many error before back off.
smtpd_soft_error_limit = 3
# how many max errors before blocking it.
smtpd_hard_error_limit = 12
# Requirements for the HELO statement
smtpd_helo_restrictions = permit_mynetworks, warn_if_reject, reject_non_fqdn_hostname, reject_invalid_hostname, permit
# Requirements for the sender details
smtpd_sender_restrictions = permit_sasl_authenticated, permit_mynetworks, warn_if_reject, permit
smtpd_data_restrictions = reject_unauth_pipelining
# require proper helo at connections
smtpd_helo_required = yes
# waste spammers time before rejecting them
smtpd_delay_reject = yes
disable_vrfy_command = yes
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
smtpd_sasl_local_domain =
smtpd_sasl_authenticated_header = yes
smtpd_client_restrictions =
   permit_mynetworks, permit_sasl_authenticated,
   sleep 1, reject_unauth_pipelining
dovecot_destination_recipient_limit = 1
header_checks = regexp:/etc/postfix/header_checks
enable_original_recipient = no
myhostname = cyrcee.lunae.community
mydestination = localhost, localhost.localdomain, $myhostname, $mydomain
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 151.80.47.124
mynetworks_style = host
relayhost =
smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, defer_unauth_destination
masquerade_domains = mail.lunae.info mail.lunae.community
masquerade_exceptions =
smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, defer_unauth_destination
inet_protocols = ipv4

smtp      inet  n       -       n       -       -       smtpd
5025      inet  n       -       n       -       -       smtpd
submission inet n       -       -       -       -       smtpd
smtps     inet  n       -       -       -       -       smtpd

Aug 28 02:42:22 cyrcee postfix/smtpd[26836]: connect from mail-io0-f170.google.com[209.85.223.170]
Aug 28 02:42:23 cyrcee postfix/smtpd[26836]: Anonymous TLS connection established from mail-io0-f170.google.com[209.85.223.170]: TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)
Aug 28 02:42:23 cyrcee postfix/trivial-rewrite[26839]: warning: do not list domain lunae.community in BOTH mydestination and virtual_mailbox_domains
Aug 28 02:42:24 cyrcee postfix/smtpd[26836]: warning: lookup selune@lunae.community, NIS domain lunae.info, map mail.aliases: internal yp server or client error
Aug 28 02:42:24 cyrcee postfix/smtpd[26836]: warning: nis:mail.aliases lookup error for "selune@lunae.community"
Aug 28 02:42:24 cyrcee postfix/smtpd[26836]: NOQUEUE: reject: RCPT from mail-io0-f170.google.com[209.85.223.170]: 451 4.3.0 <selune@lunae.community>: **Temporary lookup failure**; from=<gwenaelle.brosseau@gmail.com> to=<selune@lunae.community> proto=ESMTP helo=<mail-io0-f170.google.com>