Error “sendmail dead but subsys locked” sm-client (pid 16432) is running

The following error was getting generated while starting postfix service.

# /etc/init.d/sendmail status
sendmail dead but subsys locked
sm-client (pid 16432) is running…

First check postfix is running on the server.

# /etc/init.d/postfix status
(pid 2793) is running…

Try stopping the postfix service and kill the process.

Then restart sendmail service.

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