DokuWiki

h1. MailCow

h2. Backup-Mailserver

interesting article covering that topic

https://autoize.com/backup-mx-configuration-for-mailcow/

h3. Backup

taken from https://mailcow.github.io/mailcow-dockerized-docs/b_n_r_backup/

create backup-target-location

<pre><code class="shell">

mkdir /mnt/mailcow_backups

</code></pre>

create daily-backup-script @/etc/cron.daily/mailcow_backup.sh@

<pre><code class="shell">

#!/bin/sh

# Backup mailcow data

# https://mailcow.github.io/mailcow-dockerized-docs/b_n_r_backup/

set -e

OUT="$(mktemp)"

export MAILCOW_BACKUP_LOCATION="/mnt/mailcow_backups"

SCRIPT="/opt/mailcow-dockerized/helper-scripts/backup_and_restore.sh"

PARAMETERS="backup all"

OPTIONS="--delete-days 30"

# run command

set +e

"${SCRIPT}" ${PARAMETERS} ${OPTIONS} 2>&1 > "$OUT"

RESULT=$?

if [ $RESULT -ne 0 ]

    then

            echo "${SCRIPT} ${PARAMETERS} ${OPTIONS} encounters an error:"

            echo "RESULT=$RESULT"

            echo "STDOUT / STDERR:"

            cat "$OUT"

fi

</code></pre>

h2. Debug

h3. logs

in-memory logs are sometimes not enough ...

find @mailcow.conf@, start in the directory

<pre><code class="shell">

docker compose logs

</code></pre>