我们在 Debian 服务器上使用 postfix mta。一切似乎都运行良好（邮件已发送和接收），只是 systemd 说 postfix@- 服务失败：
# systemctl restart postfix@-
Job for [email protected] failed because the control process exited with error code.
See "systemctl status [email protected]" and "journalctl -xe" for details.
# systemctl --failed
UNIT LOAD ACTIVE SUB DESCRIPTION
● [email protected] loaded failed failed Postfix Mail Transport Agent (instance -)
这是 systemd 配置文件的结尾[电子邮件保护]：
...
[Service]
Type=forking
GuessMainPID=no
ExecStartPre=/usr/lib/postfix/configure-instance.sh %i
ExecStart=/usr/sbin/postmulti -i %i -p start
ExecStop=/usr/sbin/postmulti -i %i -p stop
ExecReload=/usr/sbin/postmulti -i %i -p reload
我尝试手动运行 configure-instance.sh 和 postmulti，它们都返回状态 0
- Debian 版本 = 靶心
- Postfix 版本 = 3.5.6
感谢您的帮助 ！
编辑更准确地说，有两个 systemd 服务：postscript 和 postscript@-
以下顺序令我感到困惑：
root@pic2s:/var/log# postfix status
...
postfix/postfix-script: the Postfix mail system is running: PID: 3341207
root@pic2s:/var/log# systemctl status postfix
● postfix.service - Postfix Mail Transport Agent
Loaded: loaded (/lib/systemd/system/postfix.service; enabled; vendor preset: enabled)
Active: active (exited) since Sun 2022-06-05 10:13:00 CEST; 1 day 5h ago
Process: 3117705 ExecStart=/bin/true (code=exited, status=0/SUCCESS)
Main PID: 3117705 (code=exited, status=0/SUCCESS)
CPU: 6ms
root@pic2s:/var/log# systemctl stop postfix
root@pic2s:/var/log# postfix status
...
postfix/postfix-script: the Postfix mail system is running: PID: 3341207
总结一下：
- postfix systemd 服务是不是标记为失败
- 当我停止 systemd 服务时，postfix不是停止
- 默认实例被 systemd 标记为失败