Reintroduce Webklex IMAP for ticket processing as PHP-IMAP is no longer being developed. This is optional for now and considered beta can be found in cron/ticket_email_parser.php

plugins/vendor/webklex/php-imap/.github/docker/Dockerfile

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+FROM ubuntu:latest
+LABEL maintainer="Webklex <github@webklex.com>"
+
+RUN apt-get update
+RUN apt-get upgrade -y
+RUN apt-get install -y sudo dovecot-imapd
+
+ENV LIVE_MAILBOX=true
+ENV LIVE_MAILBOX_HOST=mail.example.local
+ENV LIVE_MAILBOX_PORT=993
+ENV LIVE_MAILBOX_ENCRYPTION=ssl
+ENV LIVE_MAILBOX_VALIDATE_CERT=true
+ENV LIVE_MAILBOX_USERNAME=root@example.local
+ENV LIVE_MAILBOX_PASSWORD=foobar
+ENV LIVE_MAILBOX_QUOTA_SUPPORT=true
+
+EXPOSE 993
+
+ADD dovecot_setup.sh /root/dovecot_setup.sh
+RUN chmod +x /root/dovecot_setup.sh
+
+CMD ["/bin/bash", "-c", "/root/dovecot_setup.sh && tail -f /dev/null"]
+

plugins/vendor/webklex/php-imap/.github/docker/dovecot_setup.sh

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+#!/bin/sh
+
+set -ex
+
+sudo apt-get -q update
+sudo apt-get -q -y install dovecot-imapd
+
+{
+    echo "127.0.0.1 $LIVE_MAILBOX_HOST"
+} | sudo tee -a /etc/hosts
+
+SSL_CERT="/etc/ssl/certs/dovecot.crt"
+SSL_KEY="/etc/ssl/private/dovecot.key"
+
+sudo openssl req -new -x509 -days 3 -nodes \
+    -out "$SSL_CERT" \
+    -keyout "$SSL_KEY" \
+    -subj "/C=EU/ST=Europe/L=Home/O=Webklex/OU=Webklex DEV/CN=""$LIVE_MAILBOX_HOST"
+
+sudo chown root:dovecot "$SSL_CERT" "$SSL_KEY"
+sudo chmod 0440 "$SSL_CERT"
+sudo chmod 0400 "$SSL_KEY"
+
+DOVECOT_CONF="/etc/dovecot/local.conf"
+MAIL_CONF="/etc/dovecot/conf.d/10-mail.conf"
+IMAP_CONF="/etc/dovecot/conf.d/20-imap.conf"
+QUOTA_CONF="/etc/dovecot/conf.d/90-quota.conf"
+sudo touch "$DOVECOT_CONF" "$MAIL_CONF" "$IMAP_CONF" "$QUOTA_CONF"
+sudo chown root:dovecot "$DOVECOT_CONF" "$MAIL_CONF" "$IMAP_CONF" "$QUOTA_CONF"
+sudo chmod 0640 "$DOVECOT_CONF" "$MAIL_CONF" "$IMAP_CONF" "$QUOTA_CONF"
+
+{
+    echo "ssl = required"
+    echo "disable_plaintext_auth = yes"
+    echo "ssl_cert = <""$SSL_CERT"
+    echo "ssl_key = <""$SSL_KEY"
+    echo "ssl_protocols = !SSLv2 !SSLv3"
+    echo "ssl_cipher_list = AES128+EECDH:AES128+EDH"
+} | sudo tee -a "$DOVECOT_CONF"
+
+{
+    echo "mail_plugins = \$mail_plugins quota"
+} | sudo tee -a "$MAIL_CONF"
+
+{
+    echo "protocol imap {"
+    echo "  mail_plugins = \$mail_plugins imap_quota"
+    echo "}"
+} | sudo tee -a "$IMAP_CONF"
+
+{
+    echo "plugin {"
+    echo "  quota = maildir:User quota"
+    echo "  quota_rule = *:storage=1G"
+    echo "}"
+} | sudo tee -a "$QUOTA_CONF"
+
+sudo useradd --create-home --shell /bin/false "$LIVE_MAILBOX_USERNAME"
+echo "$LIVE_MAILBOX_USERNAME"":""$LIVE_MAILBOX_PASSWORD" | sudo chpasswd
+
+sudo service dovecot restart
+
+sudo doveadm auth test -x service=imap "$LIVE_MAILBOX_USERNAME" "$LIVE_MAILBOX_PASSWORD"