以下的文章主要讲述的是Postfix+Cyrus-SASL+MySQL数据库投递经过验证的邮件正确设置的实际操作步骤，就算它是要投到本地域的邮件或来自本地局域网的邮件都要通过验证，否则就不让过。main.cf 这一段要如何修改呢？ mynetworks_style = host mynetworks = 168

以下的文章主要讲述的是Postfix+Cyrus-SASL+MySQL数据库投递经过验证的邮件正确设置的实际操作步骤，就算它是要投到本地域的邮件或来自本地局域网的邮件都要通过验证，否则就不让过。main.cf 这一段要如何修改呢？

mynetworks_style = host 

mynetworks = 168.100.1.0/28, 127.0.0.0/8

定义你的服务器IP

#====================SASL===================== 
smtpd_sasl_auth_enable = yes 
smtpd_sasl_security_clients = noanonymous 
broken_sasl_auth_clients = yes 
smtpd_delay_reject = yes 
smtpd_recipient_restrictions = permit_sasl_authenticated 
reject_rbl_client opm.blitzed.org 
reject_rbl_client list.dsbl.org 
reject_rbl_client bl.spamcop.net 
reject_rbl_client sbl-xbl.spamhaus.org 
reject_rbl_client cbl.anti-spam.org.cn 
reject_rbl_client cdl.anti-spam.org.cn 
reject_rbl_client cblplus.anti-spam.org.cn 
reject_invalid_hostname 
reject_unknown_sender_domain 
reject_non_fqdn_sender 
reject_non_fqdn_recipient 
reject_unknown_recipient_domain 
reject_unauth_pipelining 
reject_unauth_destination 
permit_mynetworks 
check_recipient_maps 
smtpd_client_restrictions = permit_sasl_authenticated 
smtpd_helo_restrictions = reject_invalid_hostname 
smtpd_sender_restrictions = permit_sasl_authenticated 
reject_non_fqdn_sender 
reject_unknown_sender_domain 
reject_sender_login_mismatch 
smtpd_sasl_authenticated_header = yes 
smtpd_helo_required = yes 

以上的相关内容就是对Postfix+Cyrus-SASL+MySQL数据库投递经过验证的邮件设置的介绍，望你能有所收获。