====== Install Dovecot 2.4 dari Source di Debian 12 ======
Berikut ini adalah tutorial install dovecot 2.4 dari source pada sistem operasi debian 12

<code>
sudo apt install build-essential wget autoconf automake libtool pkg-config gettext libssl-dev zlib1g-dev libpam0g-dev
</code>
lanjut download dovecot
<code>
wget https://dovecot.org/releases/2.4/dovecot-2.4.2.tar.gz
tar -xvf dovecot-2.4.2.tar.gz
cd dovecot-2.4.2
</code>
Compile
<code>

./configure --prefix=/usr \
            --sysconfdir=/etc \
            --localstatedir=/var \
            --enable-ssl=openssl \
            --with-openssl \
            --enable-imap \
            --enable-pop3 \
            --with-pam
</code>
dilanjutkan dengan
<code>
make
make install
</code>

installasi dovecot 2.4 selesai

====== Jika Ada ERROR default_login_user doesn't exist ======
Error in configuration file /etc/dovecot/dovecot.conf: default_login_user doesn't exist
solusinya
<code>
sudo groupadd dovecot
sudo useradd -r -g dovecot -s /sbin/nologin dovecot
</code>