[LINUX] How to create an email user

This is a method to create an email-only user who cannot log in with ssh. I confirmed it on ubuntu 20.10.

Limit users who can log in to taro and hanako

/etc/ssh/sshd_config


(abridgement)
AllowUsers taro hanako

Create an email user

sudo adduser --uid 1511 scott

Verification

  1. Send the email to the user who created it [email protected]
  1. Confirm receipt of email
  1. Confirm that you cannot log in with ssh

ssh [email protected]




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