Ubuntu 24.04
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Mail Server : Add Mail User Accounts2024/05/30

 

Add Mail User Accounts to use Mail Service.

This example is for the case you use OS user accounts.
Configure basic Postfix settings, and basic Dovecot settings first.

[1] To use OS user accounts, that's only adding OS user like follows.
# install mail client

root@mail:~#
apt -y install mailutils
# set environment variables to use Maildir

root@mail:~#
echo 'export MAIL=$HOME/Maildir/' >> /etc/profile.d/mail.sh
# add an OS user [ubuntu]

root@mail:~#
adduser ubuntu

[2] Login as a user added in [1] and try to send an email.
# send to myself [mail (username)@(hostname)]

ubuntu@mail:~$
mail ubuntu@localhost

# input Cc
Cc:
# input subject
Subject: Test Mail #1
# input messages
This is the first mail.

# to finish messages, push [Ctrl + D] key

# see received emails

ubuntu@mail:~$
mail

"/home/ubuntu/Maildir/": 1 message 1 new
>N   1 ubuntu             Thu May 30 00:04  13/450   Test Mail #1

# input the number you'd like to see an email
? 1
Return-Path: <ubuntu@mail.srv.world>
X-Original-To: ubuntu@localhost
Delivered-To: ubuntu@localhost
Received: by mail.srv.world (Postfix, from userid 1000)
        id 45E251814A8; Thu, 30 May 2024 00:04:59 +0000 (UTC)
To: <ubuntu@localhost>
Subject: Test Mail #1
User-Agent: mail (GNU Mailutils 3.17)
Date: Thu, 30 May 2024 00:04:59 +0000
Message-Id: <20240530000459.45E251814A8@mail.srv.world>
From: ubuntu <ubuntu@mail.srv.world>

This is the first mail.

# to quit, input [q]
? q
Saved 1 message in /home/ubuntu/mbox
Held 0 messages in /home/ubuntu/Maildir/
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