Mail Server : Add Mail User Accounts2024/11/13

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 program

[root@mail ~]#

dnf -y install s-nail

# set environment variables to use Maildir

[root@mail ~]#

echo 'export MAIL=$HOME/Maildir' >> /etc/profile.d/mail.sh

# add a user [fedora]

[root@mail ~]#

useradd fedora

[root@mail ~]#

passwd fedora

[2]	Login as a user added in [1] and try to send an email.

# send to myself [mail (username)@(hostname)]

[fedora@mail ~]$

mail fedora@localhost

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

# to finish messages, push [Ctrl + D] key
(Preliminary) Envelope contains:
To: fedora@localhost
Subject: Test Mail#1
Send this message [yes/no, empty: recompose]? yes

# see received emails

[fedora@mail ~]$

mail

s-nail version v14.9.25.  Type `?' for help
/home/fedora/Maildir: 1 message 1 new
 N  1 fedora@srv.world      2024-11-13 09:12   14/417   "Test Mail#1           "

# input a number you'd like to see an email
& 1
[-- Message  1 -- 14 lines, 417 bytes --]:
Date: Wed, 13 Nov 2024 09:12:59 +0900
To: fedora@localhost
Subject: Test Mail#1
Message-Id: <20241113001259.45F5A25855@mail.srv.world>
From: fedora@srv.world

This is the first mail.

# to quit, input [q]
& q
Held 1 message in /home/fedora/Maildir

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