Здравствуйте. Прошу помощи в решении проблемы. Устанавливал почтовик Roundcube 1.3.8 по инструкции: https://www.dmosk.ru/instruktions.php?object=postfix-centos
часть конфига main.cf
virtual_mailbox_base = /home/mail
virtual_alias_maps = proxy:mysql:/etc/postfix/mysql_virtual_alias_maps.cf
virtual_mailbox_domains = proxy:mysql:/etc/postfix/mysql_virtual_domains_maps.cf
virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf
virtual_minimum_uid = 1024
virtual_uid_maps = static:1024
virtual_gid_maps = static:1024
virtual_transport = dovecot
dovecot_destination_recipient_limit = 1
smtpd_sasl_auth_enable = yes
smtpd_sasl_exceptions_networks = $mynetworks
smtpd_sasl_security_options = noanonymous
broken_sasl_auth_clients = yes
smtpd_sasl_type = dovecot
smtpd_sasl_path = /var/spool/postfix/private/auth
smtpd_tls_cert_file = /etc/ssl/mail/public.pem
smtpd_tls_key_file = /etc/ssl/mail/private.key
smtpd_use_tls = yes
smtpd_tls_auth_only = yes часть конфига master.cf
submission inet n - n - - smtpd
-o smtpd_tls_security_level=may
-o smtpd_sasl_auth_enable=yes
-o smtpd_sasl_type=dovecot
-o smtpd_sasl_path=/var/spool/postfix/private/auth
-o smtpd_sasl_security_options=noanonymous
-o smtpd_sasl_local_domain=$myhostname
smtps inet n - n - - smtpd -v
-o syslog_name=postfix/smtps
-o smtpd_tls_wrappermode=yes
-o smtpd_sasl_auth_enable=yes
-o smtpd_client_restrictions=permit_sasl_authenticated,reject
dovecot unix - n n - - pipe
flags=DRhu user=vmail:vmail argv=/usr/libexec/dovecot/deliver -d ${recipient}
smtpd_authorized_xforward_hosts=127.0.0.0/8[root@*hostname* postfix]# 
