202 lines
7.0 KiB
Bash
Executable File
202 lines
7.0 KiB
Bash
Executable File
#!/bin/bash
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# setup-dms-tls.sh
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# Generiert Dovecot und Postfix SNI-Konfigurationen für Multi-Domain TLS.
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# Liest die vorhandenen Domains aus den DMS Accounts und erstellt:
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# - docker-data/dms/config/dovecot-sni.cf (Dovecot SNI pro Domain)
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# - docker-data/dms/config/postfix-main.cf (Postfix SNI Map + TLS Chain)
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#
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# Voraussetzung:
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# - Caddy hat Wildcard-Certs gezogen (z.B. *.andreasknuth.de)
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# - Cert-Verzeichnis ist gemountet unter /etc/mail/certs im Container
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# - Konvention Cert-Pfad: /etc/mail/certs/DOMAIN_NAME/*.DOMAIN_NAME.crt|.key
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#
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# Usage:
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# DMS_CONTAINER=mailserver ./setup-dms-tls.sh
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# DMS_CONTAINER=mailserver DEFAULT_DOMAIN=email-srvr.com ./setup-dms-tls.sh
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set -e
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DMS_CONTAINER=${DMS_CONTAINER:-"mailserver"}
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CONFIG_DIR=${CONFIG_DIR:-"./docker-data/dms/config"}
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CERTS_BASE_PATH=${CERTS_BASE_PATH:-"/etc/mail/certs"}
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# Die Default-Domain für DMS hostname/domainname (bleibt email-srvr.com)
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DEFAULT_DOMAIN=${DEFAULT_DOMAIN:-"email-srvr.com"}
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echo "============================================================"
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echo " 🔐 DMS TLS SNI Setup (Multi-Domain)"
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echo " Container: $DMS_CONTAINER"
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echo " Config Dir: $CONFIG_DIR"
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echo " Certs Base: $CERTS_BASE_PATH"
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echo " Default Domain: $DEFAULT_DOMAIN"
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echo "============================================================"
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# --- Alle Domains aus DMS Accounts lesen ---
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echo ""
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echo "📋 Lese Domains aus DMS..."
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DOMAINS=$(docker exec "$DMS_CONTAINER" setup email list 2>/dev/null \
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| grep -oP '(?<=@)[^\s]+' \
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| sort -u)
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if [ -z "$DOMAINS" ]; then
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echo "❌ Keine Accounts im DMS gefunden!"
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echo " Bitte zuerst Accounts anlegen: ./manage_mail_user.sh add user@domain.com PW"
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exit 1
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fi
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echo " Gefundene Domains:"
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for d in $DOMAINS; do echo " - $d"; done
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# --- Cert-Verfügbarkeit prüfen ---
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echo ""
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echo "🔍 Prüfe Zertifikat-Verfügbarkeit (im Container)..."
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DOMAINS_WITH_CERTS=""
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DOMAINS_WITHOUT_CERTS=""
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for domain in $DOMAINS; do
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# Caddy speichert Wildcard-Certs als: *.domain.tld/
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# Pfad im Container (über den Volume-Mount): /etc/mail/certs/*.domain.tld/
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CERT_PATH="$CERTS_BASE_PATH/*.$domain/*.$domain.crt"
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KEY_PATH="$CERTS_BASE_PATH/*.$domain/*.$domain.key"
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# Prüfe ob die Datei im Container existiert
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if docker exec "$DMS_CONTAINER" test -f "$CERT_PATH" 2>/dev/null; then
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echo " ✅ $domain → Cert gefunden"
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DOMAINS_WITH_CERTS="$DOMAINS_WITH_CERTS $domain"
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else
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echo " ⚠️ $domain → KEIN Cert unter $CERT_PATH"
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echo " Caddy-Block '*.${domain}' eintragen und Caddy neu starten!"
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DOMAINS_WITHOUT_CERTS="$DOMAINS_WITHOUT_CERTS $domain"
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fi
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done
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if [ -n "$DOMAINS_WITHOUT_CERTS" ]; then
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echo ""
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echo "⚠️ WARNUNG: Fehlende Certs für:$DOMAINS_WITHOUT_CERTS"
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echo " Diese Domains werden NICHT in die SNI-Configs eingetragen."
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echo " Bitte Certs erzeugen und Script erneut ausführen."
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echo ""
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fi
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if [ -z "$DOMAINS_WITH_CERTS" ]; then
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echo "❌ Kein einziges Zertifikat gefunden! Abbruch."
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exit 1
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fi
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# ================================================================
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# DOVECOT SNI Konfiguration generieren
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# ================================================================
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DOVECOT_CFG="$CONFIG_DIR/dovecot-sni.cf"
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echo ""
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echo "📝 Generiere Dovecot SNI Konfiguration: $DOVECOT_CFG"
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cat > "$DOVECOT_CFG" << 'HEADER'
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# dovecot-sni.cf - Automatisch generiert von setup-dms-tls.sh
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# SNI-basierte TLS-Konfiguration für mehrere Domains.
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# Dovecot wählt das Zertifikat anhand des SNI-Hostnamens des Clients.
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# Dieses File wird via Volume-Mount in den Container eingebunden.
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#
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# Gemounteter Pfad: /tmp/docker-mailserver/dovecot-sni.cf
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# In DMS docker-compose.yml volumes Sektion:
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# - ./docker-data/dms/config/dovecot-sni.cf:/tmp/docker-mailserver/dovecot-sni.cf:ro
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HEADER
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for domain in $DOMAINS_WITH_CERTS; do
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CERT_PATH="$CERTS_BASE_PATH/*.$domain/*.$domain.crt"
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KEY_PATH="$CERTS_BASE_PATH/*.$domain/*.$domain.key"
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cat >> "$DOVECOT_CFG" << EOF
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# Domain: $domain
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local_name mail.$domain {
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ssl_cert = <$CERT_PATH
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ssl_key = <$KEY_PATH
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}
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local_name imap.$domain {
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ssl_cert = <$CERT_PATH
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ssl_key = <$KEY_PATH
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}
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local_name smtp.$domain {
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ssl_cert = <$CERT_PATH
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ssl_key = <$KEY_PATH
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}
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local_name pop.$domain {
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ssl_cert = <$CERT_PATH
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ssl_key = <$KEY_PATH
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}
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EOF
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done
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echo " ✅ $DOVECOT_CFG erstellt ($(echo $DOMAINS_WITH_CERTS | wc -w) Domains)"
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# ================================================================
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# POSTFIX SNI Konfiguration generieren
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# ================================================================
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POSTFIX_CFG="$CONFIG_DIR/postfix-main.cf"
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echo ""
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echo "📝 Generiere Postfix SNI Konfiguration: $POSTFIX_CFG"
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# Prüfe ob postfix-main.cf schon existiert und sichere sie
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if [ -f "$POSTFIX_CFG" ]; then
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cp "$POSTFIX_CFG" "${POSTFIX_CFG}.bak.$(date +%Y%m%d%H%M%S)"
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echo " ℹ️ Backup erstellt: ${POSTFIX_CFG}.bak.*"
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fi
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# TLS Chain Files für Postfix aufbauen
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# Postfix unterstützt smtpd_tls_chain_files mit mehreren Key/Cert Paaren
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CHAIN_FILES=""
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for domain in $DOMAINS_WITH_CERTS; do
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KEY_PATH="$CERTS_BASE_PATH/*.$domain/*.$domain.key"
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CERT_PATH="$CERTS_BASE_PATH/*.$domain/*.$domain.crt"
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if [ -z "$CHAIN_FILES" ]; then
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CHAIN_FILES=" $KEY_PATH, $CERT_PATH"
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else
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CHAIN_FILES="$CHAIN_FILES,\n $KEY_PATH, $CERT_PATH"
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fi
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done
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cat > "$POSTFIX_CFG" << POSTFIX_CONF
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# postfix-main.cf - Automatisch generiert von setup-dms-tls.sh
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# Postfix SNI-Konfiguration für mehrere Domains.
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# DMS lädt dieses File automatisch beim Start via /tmp/docker-mailserver/
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# ------------------------------------------------------------------
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# TLS Chain Files (Key + Cert pro Domain)
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# Postfix wählt das passende Paar automatisch per SNI
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# ------------------------------------------------------------------
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smtpd_tls_chain_files =
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$(printf '%b' "$CHAIN_FILES")
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POSTFIX_CONF
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echo " ✅ $POSTFIX_CFG erstellt"
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# ================================================================
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# Hinweise für docker-compose.yml
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# ================================================================
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echo ""
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echo "============================================================"
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echo "📋 Nächste Schritte:"
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echo ""
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echo "1. Volume-Mounts in DMS docker-compose.yml hinzufügen:"
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echo ""
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echo " volumes:"
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echo " # Bestehend (Caddy Certs - gesamtes Verzeichnis):"
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echo " - /var/lib/docker/volumes/caddy_data/_data/caddy/certificates/"
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echo " acme-v02.api.letsencrypt.org-directory:/etc/mail/certs:ro"
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echo ""
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echo " # NEU - Dovecot SNI:"
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echo " - ./docker-data/dms/config/dovecot-sni.cf:/tmp/docker-mailserver/dovecot-sni.cf:ro"
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echo ""
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echo " # Postfix-main.cf wird von DMS automatisch geladen wenn sie liegt unter:"
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echo " - ./docker-data/dms/config/postfix-main.cf:/tmp/docker-mailserver/postfix-main.cf:ro"
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echo ""
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echo "2. DMS neu starten:"
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echo " docker compose restart mailserver"
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echo ""
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echo "3. TLS testen:"
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for domain in $DOMAINS_WITH_CERTS; do
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echo " openssl s_client -connect mail.$domain:993 -servername mail.$domain"
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done
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echo "============================================================" |