postfix反垃圾邮件设置

2019-11-03 23:23:17

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　　增加防止发件人身份伪造的配置：

代码如下

# smtpd related config
smtpd_recipient_restrictions =
permit_mynetworks,
permit_sasl_authenticated,
# reject_non_fqdn_hostname,
reject_non_fqdn_sender,
reject_non_fqdn_recipient,
reject_unauth_destination,
reject_unauth_pipelining,
reject_invalid_hostname

smtpd_sender_restrictions =
permit_mynetworks,
check_recipient_access hash:/etc/postfix/local_recipient,
permit_sasl_authenticated,
reject_sender_login_mismatch,
reject_authenticated_sender_login_mismatch,
reject_unauthenticated_sender_login_mismatch,
reject_unknown_sender_domain

# SMTP AUTH config here
broken_sasl_auth_clients = yes
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous

　　补充：

　　配置extmail不允许伪造不存在的本地邮件地址发邮件,不允许并仿冒他人邮件地址发送邮件

　　cd /etc/postfix/

　　cat >MySQL_virtual_sender_maps.cf<

　　user = extmail

　　passWord = extmail

　　hosts = localhost

　　dbname = extmail

　　table = mailbox

　　select_field = username

　　where_field = username