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<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_7" type="checkbox" id="__nav_7" >
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Sichern & Wiederherstellen
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</label>
<nav class="md-nav" aria-label="Sichern & Wiederherstellen" data-md-level="1">
<label class="md-nav__title" for="__nav_7">
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Sichern & Wiederherstellen
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_7_1" type="checkbox" id="__nav_7_1" >
<label class="md-nav__link" for="__nav_7_1">
Sicherung und Wiederherstellung von Komponenten
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Sicherung und Wiederherstellung von Komponenten" data-md-level="2">
<label class="md-nav__title" for="__nav_7_1">
<span class="md-nav__icon md-icon"></span>
Sicherung und Wiederherstellung von Komponenten
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../backup_restore/b_n_r-backup/" class="md-nav__link">
Sicherung
</a>
</li>
<li class="md-nav__item">
<a href="../../backup_restore/b_n_r-restore/" class="md-nav__link">
Wiederherstellung
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="../../backup_restore/b_n_r-coldstandby/" class="md-nav__link">
Cold-standby (rollende Sicherung)
</a>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_7_3" type="checkbox" id="__nav_7_3" >
<label class="md-nav__link" for="__nav_7_3">
Manuelle Sicherung
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Manuelle Sicherung" data-md-level="2">
<label class="md-nav__title" for="__nav_7_3">
<span class="md-nav__icon md-icon"></span>
Manuelle Sicherung
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../backup_restore/b_n_r-backup_restore-maildir/" class="md-nav__link">
Mail-Verzeichnis
</a>
</li>
<li class="md-nav__item">
<a href="../../backup_restore/b_n_r-backup_restore-mysql/" class="md-nav__link">
MySQL (mysqldump)
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</ul>
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<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_7_4" type="checkbox" id="__nav_7_4" >
<label class="md-nav__link" for="__nav_7_4">
Interne mailcow Sicherungen
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Interne mailcow Sicherungen" data-md-level="2">
<label class="md-nav__title" for="__nav_7_4">
<span class="md-nav__icon md-icon"></span>
Interne mailcow Sicherungen
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../backup_restore/b_n_r-accidental_deletion/" class="md-nav__link">
Versehentlich gelöschte Daten wiederherstellen
</a>
</li>
</ul>
</nav>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8" type="checkbox" id="__nav_8" >
<label class="md-nav__link" for="__nav_8">
Anleitungen/Beispiele
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Anleitungen/Beispiele" data-md-level="1">
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<span class="md-nav__icon md-icon"></span>
Anleitungen/Beispiele
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8_1" type="checkbox" id="__nav_8_1" >
<label class="md-nav__link" for="__nav_8_1">
mailcow UI
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="mailcow UI" data-md-level="2">
<label class="md-nav__title" for="__nav_8_1">
<span class="md-nav__icon md-icon"></span>
mailcow UI
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-bl_wl/" class="md-nav__link">
Blacklist / Whitelist
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-config/" class="md-nav__link">
Konfiguration
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-css/" class="md-nav__link">
CSS-Überschreibungen
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-netfilter/" class="md-nav__link">
Netfilter
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-pushover/" class="md-nav__link">
Pushover
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-spamfilter/" class="md-nav__link">
Spamfilter
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-sub_addressing/" class="md-nav__link">
Sub-Adressierung
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-tags/" class="md-nav__link">
Tags (fĂŒr Domains und Mailboxen)
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-spamalias/" class="md-nav__link">
TemporÀre E-Mail-Aliase
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-tfa/" class="md-nav__link">
Zwei-Faktoren-Authentifizierung
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/mailcow-UI/u_e-mailcow_ui-fido/" class="md-nav__link">
WebAuthn / FIDO2
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8_2" type="checkbox" id="__nav_8_2" >
<label class="md-nav__link" for="__nav_8_2">
Postfix
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Postfix" data-md-level="2">
<label class="md-nav__title" for="__nav_8_2">
<span class="md-nav__icon md-icon"></span>
Postfix
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../manual-guides/Postfix/u_e-postfix-trust_networks/" class="md-nav__link">
VertrauenswĂŒrdige Netzwerke hinzufĂŒgen
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Postfix/u_e-postfix-custom_transport/" class="md-nav__link">
Benutzerdefinierte Transportmaps
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Postfix/u_e-postfix-extra_cf/" class="md-nav__link">
main.cf anpassen/erweitern
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Postfix/u_e-postfix-disable_sender_verification/" class="md-nav__link">
ÜberprĂŒfung der Absenderadressen deaktivieren
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Postfix/u_e-postfix-attachment_size/" class="md-nav__link">
Maximale NachrichtengrĂ¶ĂŸe (GrĂ¶ĂŸe des Anhangs)
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Postfix/u_e-postfix-relayhost/" class="md-nav__link">
Relayhosts
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Postfix/u_e-postfix-pflogsumm/" class="md-nav__link">
Statistik mit pflogsumm
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Postfix/u_e-postfix-postscreen_whitelist/" class="md-nav__link">
IP in Postscreen auf die Whitelist setzen
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8_3" type="checkbox" id="__nav_8_3" >
<label class="md-nav__link" for="__nav_8_3">
Unbound
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Unbound" data-md-level="2">
<label class="md-nav__title" for="__nav_8_3">
<span class="md-nav__icon md-icon"></span>
Unbound
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../manual-guides/Unbound/u_e-unbound-fwd/" class="md-nav__link">
Verwendung eines externen DNS-Dienstes
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8_4" type="checkbox" id="__nav_8_4" >
<label class="md-nav__link" for="__nav_8_4">
Dovecot
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Dovecot" data-md-level="2">
<label class="md-nav__title" for="__nav_8_4">
<span class="md-nav__icon md-icon"></span>
Dovecot
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-extra_conf/" class="md-nav__link">
Anpassen/Erweitern von dovecot.conf
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-any_acl/" class="md-nav__link">
Aktivierung von "any" ACL-Einstellungen
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-expunge/" class="md-nav__link">
Löschen der Mails eines Benutzers
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-fts/" class="md-nav__link">
FTS (Solr)
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-idle_interval/" class="md-nav__link">
IMAP IDLE-Intervall
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-mail-crypt/" class="md-nav__link">
Mail crypt
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-more/" class="md-nav__link">
Weitere Beispiele mit DOVEADM
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-vmail-volume/" class="md-nav__link">
Maildir verschieben (vmail)
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-public_folder/" class="md-nav__link">
Öffentliche Ordner
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-static_master/" class="md-nav__link">
Statischer Hauptbenutzer
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Dovecot/u_e-dovecot-catchall_vacation/" class="md-nav__link">
Urlaubsantworten fĂŒr Catchall-Adressen
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8_5" type="checkbox" id="__nav_8_5" >
<label class="md-nav__link" for="__nav_8_5">
Nginx
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Nginx" data-md-level="2">
<label class="md-nav__title" for="__nav_8_5">
<span class="md-nav__icon md-icon"></span>
Nginx
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../manual-guides/Nginx/u_e-nginx_webmail-site/" class="md-nav__link">
SubdomÀne webmail.example.org erstellen
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Nginx/u_e-nginx_custom/" class="md-nav__link">
Benutzerdefinierte Seiten
</a>
</li>
</ul>
</nav>
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<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8_6" type="checkbox" id="__nav_8_6" >
<label class="md-nav__link" for="__nav_8_6">
Watchdog
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Watchdog" data-md-level="2">
<label class="md-nav__title" for="__nav_8_6">
<span class="md-nav__icon md-icon"></span>
Watchdog
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../manual-guides/Watchdog/u_e-watchdog-thresholds/" class="md-nav__link">
Thresholds
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Redis/u_e-redis/" class="md-nav__link">
Redis
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/Rspamd/u_e-rspamd/" class="md-nav__link">
Rspamd
</a>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8_9" type="checkbox" id="__nav_8_9" >
<label class="md-nav__link" for="__nav_8_9">
ClamAV
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="ClamAV" data-md-level="2">
<label class="md-nav__title" for="__nav_8_9">
<span class="md-nav__icon md-icon"></span>
ClamAV
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../manual-guides/ClamAV/u_e-clamav-whitelist/" class="md-nav__link">
Whitelist
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/ClamAV/u_e-clamav-additional_dbs/" class="md-nav__link">
Weitere Datenbanken
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/SOGo/u_e-sogo/" class="md-nav__link">
SOGo
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<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8_11" type="checkbox" id="__nav_8_11" >
<label class="md-nav__link" for="__nav_8_11">
Docker
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Docker" data-md-level="2">
<label class="md-nav__title" for="__nav_8_11">
<span class="md-nav__icon md-icon"></span>
Docker
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<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../manual-guides/Docker/u_e-docker-cust_dockerfiles/" class="md-nav__link">
Dockerfiles anpassen
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</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/u_e-why_unbound/" class="md-nav__link">
Warum unbound?
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</li>
<li class="md-nav__item">
<a href="../../manual-guides/u_e-autodiscover_config/" class="md-nav__link">
Autodiscover / Autoconfig
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/u_e-80_to_443/" class="md-nav__link">
HTTP auf HTTPS umleiten
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/u_e-reeanble-weak-protocols/" class="md-nav__link">
TLS 1.0 und TLS 1.1 wieder aktivieren
</a>
</li>
<li class="md-nav__item">
<a href="../../manual-guides/u_e-update-hooks/" class="md-nav__link">
Skripte vor und nach Aktualisierungen ausfĂŒhren
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_9" type="checkbox" id="__nav_9" >
<label class="md-nav__link" for="__nav_9">
Client-Konfiguration
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Client-Konfiguration" data-md-level="1">
<label class="md-nav__title" for="__nav_9">
<span class="md-nav__icon md-icon"></span>
Client-Konfiguration
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../client/client/" class="md-nav__link">
Übersicht
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<li class="md-nav__item">
<a href="../../client/client-android/" class="md-nav__link">
Android
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</li>
<li class="md-nav__item">
<a href="../../client/client-apple/" class="md-nav__link">
Apple macOS / iOS
</a>
</li>
<li class="md-nav__item">
<a href="../../client/client-emclient/" class="md-nav__link">
eM Client
</a>
</li>
<li class="md-nav__item">
<a href="../../client/client-kontact/" class="md-nav__link">
KDE Kontact
</a>
</li>
<li class="md-nav__item">
<a href="../../client/client-outlook/" class="md-nav__link">
Microsoft Outlook
</a>
</li>
<li class="md-nav__item">
<a href="../../client/client-thunderbird/" class="md-nav__link">
Mozilla Thunderbird
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</li>
<li class="md-nav__item">
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Windows Mail
</a>
</li>
<li class="md-nav__item">
<a href="../../client/client-manual/" class="md-nav__link">
Manuelle Konfiguration
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</ul>
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<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_10" type="checkbox" id="__nav_10" >
<label class="md-nav__link" for="__nav_10">
Anwendungen von Drittanbietern
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Anwendungen von Drittanbietern" data-md-level="1">
<label class="md-nav__title" for="__nav_10">
<span class="md-nav__icon md-icon"></span>
Anwendungen von Drittanbietern
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../third_party/borgmatic/third_party-borgmatic/" class="md-nav__link">
Borgmatic-Sicherung
</a>
</li>
<li class="md-nav__item">
<a href="../../third_party/checkmk/u_e-checkmk/" class="md-nav__link">
CheckMK
</a>
</li>
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<a href="../../third_party/exchange_onprem/third_party-exchange_onprem/" class="md-nav__link">
Exchange Hybrid Setup
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<a href="../../third_party/gitea/third_party-gitea/" class="md-nav__link">
Gitea
</a>
</li>
<li class="md-nav__item">
<a href="../../third_party/gogs/third_party-gogs/" class="md-nav__link">
Gogs
</a>
</li>
<li class="md-nav__item">
<a href="../../third_party/mailman3/third_party-mailman3/" class="md-nav__link">
Mailman 3
</a>
</li>
<li class="md-nav__item">
<a href="../../third_party/mailpiler/third_party-mailpiler_integration/" class="md-nav__link">
Mailpiler Integration
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</li>
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<a href="../../third_party/nextcloud/third_party-nextcloud/" class="md-nav__link">
Nextcloud
</a>
</li>
<li class="md-nav__item">
<a href="../../third_party/portainer/third_party-portainer/" class="md-nav__link">
Portainer
</a>
</li>
<li class="md-nav__item">
<a href="../../third_party/roundcube/third_party-roundcube/" class="md-nav__link">
Roundcube
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</ul>
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</ul>
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</div>
</div>
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<div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc" >
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Mail kommt in einer Schleife zu sich selbst zurĂŒck.
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</li>
<li class="md-nav__item">
<a href="#ich-kann-mails-empfangen-aber-nicht-senden" class="md-nav__link">
Ich kann Mails empfangen, aber nicht senden
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</li>
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<a href="#meine-mails-werden-als-spam-identifiziert" class="md-nav__link">
Meine Mails werden als Spam identifiziert
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docker compose wirft seltsame Fehler aus.
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Container XY ist ungesund
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Adresse bereits in Gebrauch
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XYZ kann keine Verbindung zu ...
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Inotify-Instanz-Limit ĂŒberschritten fĂŒr Benutzer 5000 (UID vmail) (siehe #453).
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<a href="#dovecot-startet-standig-neu-siehe-2672" class="md-nav__link">
Dovecot startet stÀndig neu (siehe #2672).
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<h1>HĂ€ufig auftretende Probleme</h1>
<p>Hier sind hÀufige Probleme und mögliche Lösungen:</p>
<h2 id="mail-kommt-in-einer-schleife-zu-sich-selbst-zuruck">Mail kommt in einer Schleife zu sich selbst zurĂŒck.<a class="headerlink" href="#mail-kommt-in-einer-schleife-zu-sich-selbst-zuruck" title="Permanent link">&para;</a></h2>
<p>Bitte ĂŒberprĂŒfen Sie in Ihrer mailcow UI, ob Sie die Domain als <strong>Backup MX</strong> eingestellt haben:
<img alt="ÜberprĂŒfen Sie Ihre MX-Backup-Einstellungen" src="../../assets/images/troubleshooting/mailcow-backupmx.png" /></p>
<h2 id="ich-kann-mails-empfangen-aber-nicht-senden">Ich kann Mails empfangen, aber nicht senden<a class="headerlink" href="#ich-kann-mails-empfangen-aber-nicht-senden" title="Permanent link">&para;</a></h2>
<p>Es gibt viele GrĂŒnde, die Sie daran hindern können, Mails zu versenden:</p>
<ul>
<li>PrĂŒfen Sie, ob Ihre IP-Adresse auf einer schwarzen Liste steht. Sie können <a href="http://www.dnsbl.info/">dnsbl.info</a> oder einen Ă€hnlichen Dienst verwenden, um Ihre IP-Adresse zu ĂŒberprĂŒfen.</li>
<li>Es gibt einige ISP-Router, die Mail-Ports fĂŒr nicht auf der Blacklist stehende Domains blockieren. Bitte ĂŒberprĂŒfen Sie, ob Sie Ihren Server ĂŒber die Ports <code>465</code> oder <code>587</code> erreichen können:</li>
</ul>
<div class="highlight"><pre><span></span><code># telnet 74.125.133.27 465
Versucht 74.125.133.27...
Verbunden mit 74.125.133.27.
Escape-Zeichen ist &#39;^]&#39;.
</code></pre></div>
<h2 id="meine-mails-werden-als-spam-identifiziert">Meine Mails werden als Spam identifiziert<a class="headerlink" href="#meine-mails-werden-als-spam-identifiziert" title="Permanent link">&para;</a></h2>
<p>Bitte lesen Sie unsere <a href="../../prerequisite/prerequisite-dns/">DNS-Konfiguration</a> Anleitung.</p>
<h2 id="docker-compose-wirft-seltsame-fehler-aus">docker compose wirft seltsame Fehler aus.<a class="headerlink" href="#docker-compose-wirft-seltsame-fehler-aus" title="Permanent link">&para;</a></h2>
<p>... wie:</p>
<ul>
<li><code>ERROR: UngĂŒltiges Interpolationsformat ...</code></li>
<li><code>AttributeError: 'NoneType' Objekt hat kein Attribut 'keys'</code>.</li>
<li>ERROR: In der Datei './docker-compose.yml' hat der Dienst 'version' keine Konfigurationsoptionen.</li>
</ul>
<p>Wenn Sie eine oder Ă€hnliche Meldungen erhalten, wĂ€hrend Sie versuchen, mailcow: dockerized auszufĂŒhren, ĂŒberprĂŒfen Sie bitte, ob Sie die <strong>aktuellste</strong> Version von <strong>Docker</strong> und <strong>docker compose</strong> haben.</p>
<h2 id="container-xy-ist-ungesund">Container XY ist ungesund<a class="headerlink" href="#container-xy-ist-ungesund" title="Permanent link">&para;</a></h2>
<p>Dieser Fehler versucht Ihnen mitzuteilen, dass eine der (Gesundheits-)Bedingungen fĂŒr einen bestimmten Container nicht erfĂŒllt ist. Daher kann er nicht gestartet werden. Dies kann verschiedene GrĂŒnde haben, der hĂ€ufigste ist ein aktualisierter Git-Klon, aber ein altes Docker-Image oder umgekehrt.</p>
<p>Auch eine falsch konfigurierte Firewall kann einen solchen Fehler verursachen. Die Container mĂŒssen in der Lage sein, ĂŒber das Netzwerk 172.22.1.1/24 miteinander zu kommunizieren.</p>
<p>Es könnte auch eine falsch verknĂŒpfte Datei sein (z. B. ein SSL-Zertifikat), die den Start eines wichtigen Containers (nginx) verhindert. PrĂŒfen Sie daher immer Ihre Protokolle, um herauszufinden, woher das Problem kommt.</p>
<h2 id="adresse-bereits-in-gebrauch">Adresse bereits in Gebrauch<a class="headerlink" href="#adresse-bereits-in-gebrauch" title="Permanent link">&para;</a></h2>
<p>Wenn Sie eine Fehlermeldung erhalten wie:</p>
<div class="highlight"><pre><span></span><code>ERROR: for postfix-mailcow Cannot start service postfix-mailcow: driver failed programming external connectivity on endpoint mailcowdockerized_postfix-mailcow_1: Error starting userland proxy: listen tcp 0.0.0:25: bind: address already in use
</code></pre></div>
<p>wĂ€hrend Sie versuchen, mailcow: dockerized zu starten / zu installieren, stellen Sie sicher, dass Sie unseren Abschnitt ĂŒber <a href="../prerequisite/prerequisite-system.de.md/#firewall-ports">prerequisites</a> befolgt haben.</p>
<h2 id="xyz-kann-keine-verbindung-zu">XYZ kann keine Verbindung zu ...<a class="headerlink" href="#xyz-kann-keine-verbindung-zu" title="Permanent link">&para;</a></h2>
<p>Bitte ĂŒberprĂŒfen Sie Ihre lokale Firewall!
Docker und iptables-basierte Firewalls erstellen manchmal widersprĂŒchliche Regeln. Deaktivieren Sie daher die Firewall auf Ihrem Host, um festzustellen, ob Ihre Verbindungsprobleme durch solche Konflikte verursacht werden. Wenn dies der Fall ist, mĂŒssen Sie manuell entsprechende Regeln in Ihrer Host-Firewall erstellen, um die erforderlichen Verbindungen zuzulassen.</p>
<p>Wenn Sie Verbindungsprobleme von zu Hause aus haben, ĂŒberprĂŒfen Sie bitte auch die Firewall Ihres ISP-Routers, da einige von ihnen den E-Mail-Verkehr ĂŒber die Ports <em>SMTP</em> (587) oder <em>SMTPS</em> (465) blockieren. Es könnte auch sein, dass Ihr ISP die Ports fĂŒr <em>SUBMISSION</em> (25) blockiert.</p>
<p>WĂ€hrend Linux-Benutzer aus einer Vielzahl von Tools<sup id="fnref:1"><a class="footnote-ref" href="#fn:1">1</a></sup> wĂ€hlen können, um zu ĂŒberprĂŒfen, ob ein Port offen ist, steht Windows-Benutzern standardmĂ€ĂŸig nur der PowerShell-Befehl <code>Test-NetConnection -ComputerName host -Port port</code> zur VerfĂŒgung.</p>
<p>Um Telnet auf einem Windows nach Vista zu aktivieren, lesen Sie bitte diese <a href="https://social.technet.microsoft.com/wiki/contents/articles/910.windows-7-enabling-telnet-client.aspx">Anleitung</a> oder geben Sie den folgenden Befehl in einem Terminal <strong>mit Administratorrechten</strong> ein:</p>
<div class="highlight"><pre><span></span><code>dism /online /Enable-Feature /FeatureName:TelnetClient
</code></pre></div>
<h2 id="inotify-instanz-limit-uberschritten-fur-benutzer-5000-uid-vmail-siehe-453">Inotify-Instanz-Limit ĂŒberschritten fĂŒr Benutzer 5000 (UID vmail) (<a href="https://github.com/mailcow/mailcow-dockerized/issues/453#issuecomment-314711232">siehe #453</a>).<a class="headerlink" href="#inotify-instanz-limit-uberschritten-fur-benutzer-5000-uid-vmail-siehe-453" title="Permanent link">&para;</a></h2>
<p>Docker-Container verwenden die inotify-Limits von Docker-Hosts. Wenn Sie sie auf Ihrem Docker-Host setzen, werden sie an den Container weitergegeben.</p>
<h2 id="dovecot-startet-standig-neu-siehe-2672">Dovecot startet stÀndig neu (siehe <a href="https://github.com/mailcow/mailcow-dockerized/issues/2672">#2672</a>).<a class="headerlink" href="#dovecot-startet-standig-neu-siehe-2672" title="Permanent link">&para;</a></h2>
<p>Stellen Sie sicher, dass Sie mindestens die folgenden Dateien in <code>data/assets/ssl</code> haben:</p>
<div class="highlight"><pre><span></span><code>cert.pem
dhparams.pem
key.pem
</code></pre></div>
<p>Wenn <code>dhparams.pem</code> fehlt, können Sie es mit Bash</p>
<div class="highlight"><pre><span></span><code>openssl dhparam -out data/assets/ssl/dhparams.pem <span class="m">4096</span>
</code></pre></div>
<div class="footnote">
<hr />
<ol>
<li id="fn:1">
<p><a href="https://linux.die.net/man/1/nc">netcat</a>, <a href="https://linux.die.net/man/1/nmap">nmap</a>, <a href="https://wiki.openssl.org/index.php/Manual:S_client(1)">openssl</a>, [telnet](<a href="https://linux">https://linux</a>&#160;<a class="footnote-backref" href="#fnref:1" title="Jump back to footnote 1 in the text">&#8617;</a></p>
</li>
</ol>
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Letztes Update:
<span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-iso_datetime">2022-09-01 09:33:47</span>
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