Create enterprise mailbox account command

Linux The mail system built by the system itself , Create new account command

• Switch to root Account

$ su - root

• Create a new account ( The new system account is the mailbox account )( Assign users to specific user groups )( Users are not allowed to log on to the system , I can only send and receive mail )

# useradd -g emailuser -s /sbin/nologin san.zhang

• Set account password

# passwd san.zhang
 Change user  san.zhang  Password  .
 new   password ：

• Test whether the account can log in to the system

# su - san.zhang
This account is currently not available.

After binding the email address on the email sending and receiving client, you can send and receive emails normally .