mailcow/generate_config.sh

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#!/bin/bash
if [[ -f mailcow.conf ]]; then
read -r -p "A config file exists and will be overwritten, are you sure you want to contine? [y/N] " response
case $response in
[yY][eE][sS]|[yY])
mv mailcow.conf mailcow.conf_backup
;;
*)
exit 1
;;
esac
fi
if [ -z "$MAILCOW_HOSTNAME" ]; then
read -p "Hostname (FQDN): " -ei "mx.example.org" MAILCOW_HOSTNAME
fi
if [ -z "$TZ" ]; then
read -p "Timezone: " -ei "Europe/Berlin" TZ
fi
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cat << EOF > mailcow.conf
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# ------------------------------
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# mailcow web ui configuration
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# ------------------------------
# example.org is _not_ a valid hostname, use a fqdn here.
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# Default admin user is "admin"
# Default password is "moohoo"
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MAILCOW_HOSTNAME=${MAILCOW_HOSTNAME}
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# ------------------------------
# SQL database configuration
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# ------------------------------
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DBNAME=mailcow
DBUSER=mailcow
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# Please use long, random alphanumeric strings (A-Za-z0-9)
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DBPASS=$(</dev/urandom tr -dc A-Za-z0-9 | head -c 28)
DBROOT=$(</dev/urandom tr -dc A-Za-z0-9 | head -c 28)
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# ------------------------------
# Misc configuration
# ------------------------------
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# You should leave that alone
# Can also be 11.22.33.44:25 or 0.0.0.0:465 etc. for specific bindings
HTTPS_PORT=443
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SMTP_PORT=25
SMTPS_PORT=465
SUBMISSION_PORT=587
IMAP_PORT=143
IMAPS_PORT=993
POP_PORT=110
POPS_PORT=995
SIEVE_PORT=4190
# Your timezone
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TZ=${TZ}
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EOF