1、安装postfix
安装postfix
- shell
- # yum install postfix
- # rpm -e sendmail
2、配置postfix
- shell
- # postconf -n > /etc/postfix/main2.cf
- # mv /etc/postfix/main.cf /etc/postfix/main.cf.old
- # mv /etc/postfix/main2.cf /etc/postfix/main.cf
编辑main.cf：
- shell
- # vi /etc/postfix/main.cf
增加如下内容：
- # hostname
- mynetworks = 127.0.0.1
- myhostname = mail.extmail.org
- mydestination = $mynetworks $myhostname
- # banner
- mail_name = Postfix - by extmail.org
- smtpd_banner = $myhostname ESMTP $mail_name
- # response immediately
- smtpd_error_sleep_time = 0s
- # Message and return code control
- message_size_limit = 5242880
- mailbox_size_limit = 5242880
- show_user_unknown_table_name = no
- # Queue lifetime control
- bounce_queue_lifetime = 1d
- maximal_queue_lifetime = 1d
设置postfix开机自启：
- shell
- # chkconfig postfix on
