Linux 中安装邮件服务器：Postifx
yum -y install postfix
开启并启动
enable postfix && systemctl start postfix
报错信息如下
Job for postfix.service failed because the control process exited with error code. See "systemctl status postfix.service" and "journalctl -xe" for details.
查看它的状态
systemctl status postfix.service
postfix.service - Postfix Mail Transport Agent Loaded: loaded (/usr/lib/systemd/system/postfix.service; enabled; vendor preset: disabled) Active: failed (Result: exit-code) since Tue 2020-02-25 21:22:26 CST; 24s ago Process: 1732 ExecStart=/usr/sbin/postfix start (code=exited, status=1/FAILURE) Process: 1729 ExecStartPre=/usr/libexec/postfix/chroot-update (code=exited, status=0/SUCCESS) Process: 1725 ExecStartPre=/usr/libexec/postfix/aliasesdb (code=exited, status=75) Feb 25 21:22:24 iZwz94m5o5nyhszcx7k9kzZ systemd[1]: Starting Postfix Mail Transport Agent... Feb 25 21:22:24 iZwz94m5o5nyhszcx7k9kzZ aliasesdb[1725]: /usr/sbin/postconf: fatal: parameter inet_interfaces: no local interface found for ::1 Feb 25 21:22:25 iZwz94m5o5nyhszcx7k9kzZ aliasesdb[1725]: newaliases: fatal: parameter inet_interfaces: no local interface found for ::1 Feb 25 21:22:25 iZwz94m5o5nyhszcx7k9kzZ postfix[1732]: fatal: parameter inet_interfaces: no local interface found for ::1 Feb 25 21:22:26 iZwz94m5o5nyhszcx7k9kzZ systemd[1]: postfix.service: control process exited, code=exited status=1 Feb 25 21:22:26 iZwz94m5o5nyhszcx7k9kzZ systemd[1]: Failed to start Postfix Mail Transport Agent. Feb 25 21:22:26 iZwz94m5o5nyhszcx7k9kzZ systemd[1]: Unit postfix.service entered failed state. Feb 25 21:22:26 iZwz94m5o5nyhszcx7k9kzZ systemd[1]: postfix.service failed.
我们关注这个就可以了
fatal: parameter inet_interfaces: no local interface found for ::1
解决方法：
vim /etc/postfix/main.cf
#inet_interfaces = all #inet_interfaces = $myhostname #inet_interfaces = $myhostname, localhost inet_interfaces = all # Enable IPv4, and IPv6 if supported inet_protocols = all
