虽然一切正常，但今天我的 vps Ubuntu 服务器 (postfix/dovecot) 上的 10 个域中有 3 个无法从 Outlook 发送电子邮件，因为中继访问被拒绝。未进行任何更改。（到今天为止，所有域都正常运行）
Mail.log
Oct 24 22:27:43 mail postfix/smtpd[7662]: connect from my.desk.top.ip
Oct 24 22:27:43 mail postfix/smtpd[7662]: warning: connect to Milter service inet:localhost:8891: Connection refused
Oct 24 22:27:44 mail postfix/smtpd[7662]: NOQUEUE: reject: RCPT from my.desk.top.ip: 554 5.7.1 <[email protected]>: Relay access denied; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<DESKTOPFTP67QJ>
Oct 24 22:27:46 mail postfix/smtpd[7662]: disconnect from my.desk.top.ip
Dovecot 日志
Oct 24 22:27:12 auth: Debug: passwd-file([email protected],my.desk.top.ip,<pLSYw1BcsgBeQ1jL>): lookup: [email protected] file=/etc/dovecot/passwd
Oct 24 22:27:12 auth: Debug: client passdb out: OK 1 [email protected]
Oct 24 22:27:12 auth: Debug: master in: REQUEST 997982209 7658 1 effa60cd62c34b72950ad17e6f08066c session_pid=7661
Oct 24 22:27:12 auth: Debug: passwd-file([email protected],my.desk.top.ip,<pLSYw1BcsgBeQ1jL>): lookup: [email protected] file=/etc/dovecot/users
Oct 24 22:27:12 auth: Debug: master userdb out: USER 997982209 [email protected] uid=5000 gid=5000 home=/var/spool/vmail/problematicdomain.com/
Oct 24 22:27:12 pop3-login: Info: Login: user=<[email protected]>, method=PLAIN, rip=my.desk.top.ip, lip=172.31.1.100, mpid=7661, TLS, session=<pLSYw1BcsgBeQ1jL>
Oct 24 22:27:12 pop3([email protected]): Info: Disconnected: Logged out top=0/0, retr=0/0, del=0/13, size=15495
后缀main.cf
smtpd_sasl_auth_enable = yes
biff = no
# appending .domain is the MUA's job.
append_dot_mydomain = no
# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h
myhostname = mail.servermaindomain.gr
mydestination = mail.servermaindomain.gr, localhost.servermaindomain.gr, localhost
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = $myhostname
mynetworks = 127.0.0.0/8, 10.0.0.0/24
mailbox_size_limit = 0
home_mailbox = Maildir/
virtual_mailbox_domains = /etc/postfix/vhosts
virtual_mailbox_base = /var/spool/vmail
virtual_mailbox_maps = hash:/etc/postfix/vmaps
virtual_minimum_uid = 1000
virtual_uid_maps = static:5000
virtual_gid_maps = static:5000
recipient_delimiter = +
inet_interfaces = all
inet_protocols = ipv4
broken_sasl_auth_clients = yes
#smtpd_sasl_local_domain = $myhostname
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
#smtpd_sasl_path = auth/dovecot
smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
virtual_alias_maps = hash:/etc/postfix/virtual
message_size_limit = 26240000
# DKIM
# --------------------------------------
milter_default_action = accept
milter_protocol = 2
smtpd_milters = inet:localhost:8891
non_smtpd_milters = inet:localhost:8891