[root@haha ~]# cd /etc/postfix/ [root@haha postfix]# openssl req -new -x509 -nodes -out smtpd.pem -keyout smtpd.pem -days 3650 Generating a RSA private key .......................................+++++ ..........................................................+++++ writing new private key to 'smtpd.pem' ----- You are about to be asked to enter information that will be incorporated into your certificate request. What you are about to enter is what is called a Distinguished Name or a DN. There are quite a few fields but you can leave some blank For some fields there will be a default value, If you enter '.', the field will be left blank. ----- Country Name (2 letter code) [XX]:86 State or Province Name (full name) []:chongqing Locality Name (eg, city) [Default City]:chengke Organization Name (eg, company) [Default Company Ltd]:dashuju Organizational Unit Name (eg, section) []:rhce Common Name (eg, your name or your server's hostname) []:mail.text.com Email Address []:admin@text.com2、编辑主配置文件
[root@haha postfix]# vim /etc/postfix/main.cf smtp_use_tls = yes smtpd_use_tls = yes smtp_tls_note_starttls_offer = yes smtpd_tls_key_file = /etc/postfix/smtpd.pem smtpd_tls_cert_file = /etc/postfix/smtpd.pem smtpd_tls_CAfile = /etc/postfix/smtpd.pem smtpd_tls_loglevel = 1 smtpd_tls_received_header = yes smtpd_tls_session_cache_timeout = 3600s tls_random_source = dev:/dev/urandom3、编辑功能配置文件
[root@haha postfix]# vim /etc/postfix/master.cf 29 smtps inet n - n - - smtpd 30 # -o syslog_name=postfix/smtps 31 -o smtpd_tls_wrappermode=yes 32 -o smtpd_sasl_auth_enable=yes4、重启服务
[root@haha postfix]# systemctl restart postfix [root@haha postfix]# systemctl restart saslauthd [root@haha postfix]# systemctl restart dovecot2、修改foxmail客户端的服务器配置
查看服务器日志：
# 查看日志 Oct 25 20:02:27 kittod dovecot[9122]: pop3-login: Login: user=, method=PLAIN, rip=192.168.226.1, lip=192.168.226.130, mpid=9151, TLS, session= <2UtzIizP89HAqOIB>
