假设您在 Outlook 或其他邮件客户端上保存了一个 pop3 电子邮件地址，如果您在帐户设置中更改了您的用户信息，如以下附件所示，您可以发送[电子邮件受保护]电子邮件。我的邮件服务是 postfix，我设置了所有发件人和收件人限制，例如拒绝未列出的帐户或拒绝非 FQDN 域或主机名，但它不起作用！您如何解决企业邮件服务中的这个问题？谢谢
这也是我在 main.cf 上的所有配置：
readme_directory = /usr/share/doc/postfix-2.11.5/README_FILES
virtual_mailbox_domains = $virtual_mailbox_maps, hash:/var/spool/postfix/plesk/virtual_domains
virtual_alias_maps = $virtual_maps, hash:/var/spool/postfix/plesk/virtual
virtual_mailbox_maps = , hash:/var/spool/postfix/plesk/vmailbox
transport_maps = , hash:/var/spool/postfix/plesk/transport
smtpd_tls_cert_file = /etc/postfix/postfix_default.pem
smtpd_tls_key_file = $smtpd_tls_cert_file
smtpd_tls_security_level = may
smtpd_use_tls = yes
smtp_tls_security_level = may
smtp_use_tls = no
smtpd_timeout = 3600s
smtpd_proxy_timeout = 3600s
disable_vrfy_command = yes
mynetworks = , hash:/var/spool/postfix/plesk-pop/poplock
smtpd_sender_restrictions = reject_unknown_sender_domain,reject_unauthenticated_sender_login_mismatch,reject_known_sender_login_mismatch,hash:/var/spool/postfix/plesk/blacklists, permit_sasl_authenticated, check_client_access, pcre:/var/spool/postfix/plesk/non_auth.re, check_sender_access hash:/var/spool/postfix/plesk/blacklists
smtpd_client_restrictions = permit_mynetworks, permit_sasl_authenticated
smtp_send_xforward_command = yes
smtpd_authorized_xforward_hosts = 127.0.0.0/8 [::1]/128
smtpd_sasl_auth_enable = yes
smtpd_relay_restrictions =permit_mynetworks, permit_sasl_authenticated, defer_unauth_destination, reject_unlisted_sender
smtpd_recipient_restrictions = reject_unknown_sender_domain,reject_non_fqdn_sender,permit_mynetworks,permit_sasl_authenticated, reject_unauth_destination, reject_unauth_destination, defer_unauth_destination,reject_unverified_recipient,reject_unknown_recipient_domain
virtual_mailbox_base = /var/qmail/mailnames
virtual_uid_maps = static:30
virtual_gid_maps = static:31
smtpd_milters = , inet:127.0.0.1:12768
non_smtpd_milters =
sender_dependent_default_transport_maps = hash:/var/spool/postfix/plesk/sdd_transport_maps
virtual_transport = plesk_virtual
plesk_virtual_destination_recipient_limit = 1
mailman_destination_recipient_limit = 1
mailbox_size_limit = 0
virtual_mailbox_limit = 0
myhostname = host.com
smtpd_tls_mandatory_protocols = TLSv1 TLSv1.1 TLSv1.2
smtpd_tls_protocols = TLSv1 TLSv1.1 TLSv1.2
smtpd_tls_ciphers = medium
smtpd_tls_mandatory_ciphers = medium
tls_medium_cipherlist = HIGH:!aNULL:!MD5
message_size_limit = 102400000
smtpd_sasl_authenticated_header = yes
disable_vrfy_command = yes
smtpd_sasl_auth_enable = yes
broken_sasl_auth_clients = no
smtpd_sasl_security_options = noanonymous
但问题是直到存在。
答案1
您可以使用smtpd_reject_unlisted_senderPostFix 配置指令，即记录在这里。
请注意，我还要确保记录下来并立即解雇执行此操作的人（当然，除非是拼写错误）。