因此，我使用 Postfix + Dovecot 在 VPS 上运行邮件。我可以发送，但并非所有邮件都能收到。
笔记：DOMAIN = 我的域，但是出于安全原因我阻止了它。
案子：我想在 Twitter 上使用我的邮箱，但验证邮件一直没有到达。我检查了日志，发现了以下内容：
Aug 20 22:20:51 DOMAIN postfix/smtpd[32679]: warning: unknown smtpd restriction: "ACCEPT"
Aug 20 22:20:51 DOMAIN postfix/smtpd[32679]: NOQUEUE: reject: RCPT from spring-chicken-ae.twitter.com[199.16.156.144]: 451 4.3.5 Server configuration error; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<spring-chicken-ae.twitter.com>
Aug 20 22:20:56 DOMAIN postfix/cleanup[32684]: DE1291BFC5E: message-id=<[email protected]>
Aug 20 22:20:56 DOMAIN postfix/qmgr[27377]: DE1291BFC5E: from=<[email protected]>, size=1344, nrcpt=1 (queue active)
Aug 20 22:20:56 DOMAIN postfix/smtpd[32679]: disconnect from spring-chicken-ae.twitter.com[199.16.156.144] ehlo=2 starttls=1 mail=1 rcpt=0/1 quit=1 commands=5/6
Aug 20 22:20:56 DOMAIN postfix/virtual[32685]: DE1291BFC5E: to=<[email protected]>, orig_to=<postmaster>, relay=virtual, delay=0.02, delays=0.01/0/0/0, dsn=2.0.0, status=sent (delivered to maildir)
Aug 20 22:20:56 DOMAIN postfix/qmgr[27377]: DE1291BFC5E: removed
我的main.cf如下：
# See /usr/share/postfix/main.cf.dist for a commented, more complete version
home_mailbox = Maildir/
virtual_mailbox_domains = /etc/postfix/vhosts
virtual_mailbox_base = /home/vmail
virtual_mailbox_maps = hash:/etc/postfix/vmaps
virtual_minimum_uid = 1000
virtual_uid_maps = static:5000
virtual_gid_maps = static:5000
milter_protocol = 2
milter_default_action = accept
smtpd_milters = inet:localhost:12301
non_smtpd_milters = inet:localhost:12301
smtp_tls_security_level = encrypt
# Debian specific: Specifying a file name will cause the first
# line of that file to be used as the name. The Debian default
# is /etc/mailname.
#myorigin = /etc/mailname
smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
biff = no
# appending .domain is the MUA's job.
append_dot_mydomain = no
# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h
readme_directory = no
# TLS parameters
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
#smtpd_sasl_security_options = noanonymous
#smtpd_sasl_local_domain = $myhostname
#smtpd_sasl_application_name = smtpd
#broken_sasl_auth_clients = yes
#smtpd_tls_received_header = yes
smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
myhostname = DOMAIN.nl
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = $myhostname, mail.DOMAIN.nl, localhost.nl, , localhost
relayhost =
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
inet_protocols = all
local_transport = virtual
local_recipient_maps = $virtual_mailbox_maps
smtpd_sasl_auth_enable = yes
smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination,check_recipient_access hash:/etc/postfix/filtered_domains
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth-client
问题：什么原因导致此错误？
答案1
ACCEPT在右侧搜索 /etc/postfix/filtered_domains 。您可能希望这些是OK，如中所述Postfix 文档（man 5 access）。然后
postmap /etc/postfix/filtered_domains