218 lines
7.6 KiB
Bash
218 lines
7.6 KiB
Bash
#!/bin/bash
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function _setup_dovecot
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{
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_log 'debug' 'Setting up Dovecot'
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cp -a /usr/share/dovecot/protocols.d /etc/dovecot/
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# disable pop3 (it will be eventually enabled later in the script, if requested)
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mv /etc/dovecot/protocols.d/pop3d.protocol /etc/dovecot/protocols.d/pop3d.protocol.disab
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mv /etc/dovecot/protocols.d/managesieved.protocol /etc/dovecot/protocols.d/managesieved.protocol.disab
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sed -i -e 's|#ssl = yes|ssl = yes|g' /etc/dovecot/conf.d/10-master.conf
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sed -i -e 's|#port = 993|port = 993|g' /etc/dovecot/conf.d/10-master.conf
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sed -i -e 's|#port = 995|port = 995|g' /etc/dovecot/conf.d/10-master.conf
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sed -i -e 's|#ssl = yes|ssl = required|g' /etc/dovecot/conf.d/10-ssl.conf
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sed -i 's|^postmaster_address = .*$|postmaster_address = '"${POSTMASTER_ADDRESS}"'|g' /etc/dovecot/conf.d/15-lda.conf
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if ! grep -q -E '^stats_writer_socket_path=' /etc/dovecot/dovecot.conf
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then
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printf '\n%s\n' 'stats_writer_socket_path=' >>/etc/dovecot/dovecot.conf
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fi
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# set mail_location according to mailbox format
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case "${DOVECOT_MAILBOX_FORMAT}" in
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( 'sdbox' | 'mdbox' )
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_log 'trace' "Dovecot ${DOVECOT_MAILBOX_FORMAT} format configured"
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sed -i -e \
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"s|^mail_location = .*$|mail_location = ${DOVECOT_MAILBOX_FORMAT}:\/var\/mail\/%d\/%n|g" \
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/etc/dovecot/conf.d/10-mail.conf
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_log 'trace' 'Enabling cron job for dbox purge'
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mv /etc/cron.d/dovecot-purge.disabled /etc/cron.d/dovecot-purge
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chmod 644 /etc/cron.d/dovecot-purge
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;;
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( * )
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_log 'trace' 'Dovecot default format (maildir) configured'
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sed -i -e 's|^mail_location = .*$|mail_location = maildir:\/var\/mail\/%d\/%n|g' /etc/dovecot/conf.d/10-mail.conf
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;;
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esac
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if [[ ${ENABLE_POP3} -eq 1 ]]
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then
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_log 'debug' 'Enabling POP3 services'
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mv /etc/dovecot/protocols.d/pop3d.protocol.disab /etc/dovecot/protocols.d/pop3d.protocol
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fi
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[[ -f /tmp/docker-mailserver/dovecot.cf ]] && cp /tmp/docker-mailserver/dovecot.cf /etc/dovecot/local.conf
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}
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function _setup_dovecot_sieve
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{
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mkdir -p /usr/lib/dovecot/sieve-{filter,global,pipe}
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mkdir -p /usr/lib/dovecot/sieve-global/{before,after}
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# enable Managesieve service by setting the symlink
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# to the configuration file Dovecot will actually find
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if [[ ${ENABLE_MANAGESIEVE} -eq 1 ]]
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then
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_log 'trace' 'Sieve management enabled'
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mv /etc/dovecot/protocols.d/managesieved.protocol.disab /etc/dovecot/protocols.d/managesieved.protocol
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fi
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if [[ -d /tmp/docker-mailserver/sieve-filter ]]
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then
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cp /tmp/docker-mailserver/sieve-filter/* /usr/lib/dovecot/sieve-filter/
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fi
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if [[ -d /tmp/docker-mailserver/sieve-pipe ]]
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then
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cp /tmp/docker-mailserver/sieve-pipe/* /usr/lib/dovecot/sieve-pipe/
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fi
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if [[ -f /tmp/docker-mailserver/before.dovecot.sieve ]]
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then
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cp \
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/tmp/docker-mailserver/before.dovecot.sieve \
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/usr/lib/dovecot/sieve-global/before/50-before.dovecot.sieve
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sievec /usr/lib/dovecot/sieve-global/before/50-before.dovecot.sieve
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fi
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if [[ -f /tmp/docker-mailserver/after.dovecot.sieve ]]
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then
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cp \
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/tmp/docker-mailserver/after.dovecot.sieve \
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/usr/lib/dovecot/sieve-global/after/50-after.dovecot.sieve
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sievec /usr/lib/dovecot/sieve-global/after/50-after.dovecot.sieve
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fi
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chown dovecot:root -R /usr/lib/dovecot/sieve-*
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find /usr/lib/dovecot/sieve-* -type d -exec chmod 755 {} +
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find /usr/lib/dovecot/sieve-{filter,pipe} -type f -exec chmod +x {} +
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}
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function _setup_dovecot_quota
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{
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_log 'debug' 'Setting up Dovecot quota'
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# Dovecot quota is disabled when using LDAP or SMTP_ONLY or when explicitly disabled.
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if [[ ${ACCOUNT_PROVISIONER} != 'FILE' ]] || [[ ${SMTP_ONLY} -eq 1 ]] || [[ ${ENABLE_QUOTAS} -eq 0 ]]
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then
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# disable dovecot quota in docevot confs
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if [[ -f /etc/dovecot/conf.d/90-quota.conf ]]
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then
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mv /etc/dovecot/conf.d/90-quota.conf /etc/dovecot/conf.d/90-quota.conf.disab
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sed -i \
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"s|mail_plugins = \$mail_plugins quota|mail_plugins = \$mail_plugins|g" \
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/etc/dovecot/conf.d/10-mail.conf
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sed -i \
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"s|mail_plugins = \$mail_plugins imap_quota|mail_plugins = \$mail_plugins|g" \
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/etc/dovecot/conf.d/20-imap.conf
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fi
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# disable quota policy check in postfix
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sed -i "s|check_policy_service inet:localhost:65265||g" /etc/postfix/main.cf
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else
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if [[ -f /etc/dovecot/conf.d/90-quota.conf.disab ]]
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then
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mv /etc/dovecot/conf.d/90-quota.conf.disab /etc/dovecot/conf.d/90-quota.conf
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sed -i \
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"s|mail_plugins = \$mail_plugins|mail_plugins = \$mail_plugins quota|g" \
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/etc/dovecot/conf.d/10-mail.conf
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sed -i \
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"s|mail_plugins = \$mail_plugins|mail_plugins = \$mail_plugins imap_quota|g" \
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/etc/dovecot/conf.d/20-imap.conf
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fi
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local MESSAGE_SIZE_LIMIT_MB=$((POSTFIX_MESSAGE_SIZE_LIMIT / 1000000))
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local MAILBOX_LIMIT_MB=$((POSTFIX_MAILBOX_SIZE_LIMIT / 1000000))
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sed -i \
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"s|quota_max_mail_size =.*|quota_max_mail_size = ${MESSAGE_SIZE_LIMIT_MB}$([[ ${MESSAGE_SIZE_LIMIT_MB} -eq 0 ]] && echo "" || echo "M")|g" \
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/etc/dovecot/conf.d/90-quota.conf
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sed -i \
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"s|quota_rule = \*:storage=.*|quota_rule = *:storage=${MAILBOX_LIMIT_MB}$([[ ${MAILBOX_LIMIT_MB} -eq 0 ]] && echo "" || echo "M")|g" \
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/etc/dovecot/conf.d/90-quota.conf
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if [[ -d /tmp/docker-mailserver ]] && [[ ! -f /tmp/docker-mailserver/dovecot-quotas.cf ]]
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then
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_log 'trace' "'/tmp/docker-mailserver/dovecot-quotas.cf' is not provided. Using default quotas."
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: >/tmp/docker-mailserver/dovecot-quotas.cf
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fi
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# enable quota policy check in postfix
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sed -i -E \
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"s|(reject_unknown_recipient_domain)|\1, check_policy_service inet:localhost:65265|g" \
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/etc/postfix/main.cf
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fi
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}
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function _setup_dovecot_local_user
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{
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[[ ${SMTP_ONLY} -eq 1 ]] && return 0
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[[ ${ACCOUNT_PROVISIONER} == 'FILE' ]] || return 0
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_log 'debug' 'Setting up Dovecot Local User'
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if [[ ! -f /tmp/docker-mailserver/postfix-accounts.cf ]]
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then
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_log 'trace' "No mail accounts to create - '/tmp/docker-mailserver/postfix-accounts.cf' is missing"
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fi
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function __wait_until_an_account_is_added_or_shutdown
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{
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local SLEEP_PERIOD='10'
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for (( COUNTER = 11 ; COUNTER >= 0 ; COUNTER-- ))
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do
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if [[ $(grep -cE '.+@.+\|' /tmp/docker-mailserver/postfix-accounts.cf 2>/dev/null || printf '%s' '0') -ge 1 ]]
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then
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return 0
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else
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_log 'warn' "You need at least one mail account to start Dovecot ($(( ( COUNTER + 1 ) * SLEEP_PERIOD ))s left for account creation before shutdown)"
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sleep "${SLEEP_PERIOD}"
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fi
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done
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_dms_panic__fail_init 'accounts provisioning because no accounts were provided - Dovecot could not be started' '' 'immediate'
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}
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__wait_until_an_account_is_added_or_shutdown
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_create_accounts
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}
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function _setup_dovecot_inet_protocols
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{
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[[ ${DOVECOT_INET_PROTOCOLS} == 'all' ]] && return 0
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_log 'trace' 'Setting up DOVECOT_INET_PROTOCOLS option'
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local PROTOCOL
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# https://dovecot.org/doc/dovecot-example.conf
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if [[ ${DOVECOT_INET_PROTOCOLS} == "ipv4" ]]
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then
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PROTOCOL='*' # IPv4 only
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elif [[ ${DOVECOT_INET_PROTOCOLS} == "ipv6" ]]
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then
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PROTOCOL='[::]' # IPv6 only
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else
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# Unknown value, panic.
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_dms_panic__invalid_value 'DOVECOT_INET_PROTOCOLS' "${DOVECOT_INET_PROTOCOLS}" 'immediate'
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fi
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sedfile -i "s|^#listen =.*|listen = ${PROTOCOL}|g" /etc/dovecot/dovecot.conf
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}
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function _setup_dovecot_dhparam
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{
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_setup_dhparam 'Dovecot' '/etc/dovecot/dh.pem'
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}
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function _setup_dovecot_hostname
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{
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_log 'debug' 'Applying hostname to Dovecot'
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sed -i "s|^#hostname =.*$|hostname = '${HOSTNAME}'|g" /etc/dovecot/conf.d/15-lda.conf
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}
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