Re: virtual user list in a passwd file (without linux user)

Here is the output of postconf -n

alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
allow_percent_hack = no
append_dot_mydomain = no
biff = no
default_destination_recipient_limit = 10
inet_interfaces = all
inet_protocols = ipv4
lmtp_sasl_type = dovecot
lmtp_tcp_port = 24
mailbox_size_limit = 100123456
message_size_limit = 50123456
mydestination = mail.site1.com, mail.site2.com, $myhostname, localhost.$mydomain, localhost
mydomain = mail.site1.com
myhostname = mail.site1.com
mynetworks_style = host
myorigin = $mydomain
notify_classes = bounce, 2bounce, delay, policy, protocol, resource, software
readme_directory = no
relay_domains =
relayhost =
smtp_sasl_security_options = noanonymous
smtp_tls_chain_files = /etc/apache2/md-ssl/domains/mail.site1.com/privkey.pem, /etc/apache2/md-ssl/domains/mail.site1.com/pubcert.pem
smtp_tls_security_level = may
smtpd_banner = mail.site1.com ESMTP
smtpd_client_restrictions = permit_mynetworks, reject_unauth_destination, permit_sasl_authenticated
smtpd_data_restrictions = reject_unauth_pipelining
smtpd_delay_reject = yes
smtpd_recipient_limit = 10
smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, defer_unauth_destination
smtpd_sasl_auth_enable = yes
smtpd_sasl_authenticated_header = no
smtpd_sasl_path = inet:srv_dovecot:12345
smtpd_sasl_security_options = noplaintext, noanonymous, nodictionary
smtpd_sasl_tls_security_options = noanonymous
smtpd_sasl_type = dovecot
smtpd_sender_restrictions = permit_sasl_authenticated
smtpd_tls_auth_only = yes
smtpd_tls_chain_files = /etc/apache2/md-ssl/domains/mail.site1.com/privkey.pem, /etc/apache2/md-ssl/domains/mail.site1.com/pubcert.pem
smtpd_tls_mandatory_ciphers = high
smtpd_tls_mandatory_protocols = >=TLSv1.2, <=TLSv1.3
smtpd_tls_security_level = may
syslog_name = srv/postfix
tls_server_sni_maps = texthash:/etc/postfix/domain_ssl_map
virtual_alias_maps = texthash:/etc/postfix/virtual
virtual_gid_maps = static:5000
virtual_mailbox_base = /var/mail/web_sites
virtual_mailbox_domains = site2.com site1.com
virtual_mailbox_maps = texthash:/etc/postfix/virtual_mail_boxes
virtual_minimum_uid = 100
virtual_transport = lmtp:inet:srv_dovecot:12344
virtual_uid_maps = static:5000