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Two-Factor Authentication
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<li class="md-nav__item">
|
|
<a href="../model-passwd/" class="md-nav__link">
|
|
Password hashing
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../model-sender_rcv/" class="md-nav__link">
|
|
Sender and receiver model
|
|
</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_6" type="checkbox" id="__nav_6" >
|
|
|
|
|
|
|
|
|
|
<label class="md-nav__link" for="__nav_6">
|
|
General Troubleshooting
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" aria-label="General Troubleshooting" data-md-level="1">
|
|
<label class="md-nav__title" for="__nav_6">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
General Troubleshooting
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../debug/" class="md-nav__link">
|
|
Introduction
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../debug-admin_login_sogo/" class="md-nav__link">
|
|
Admin login to SOGo
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../debug-asan_rspamd/" class="md-nav__link">
|
|
Advanced: Find memory leaks in Rspamd
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../debug-attach_service/" class="md-nav__link">
|
|
Attach a Container
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../debug-common_problems/" class="md-nav__link">
|
|
Common Problems
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../debug-logs/" class="md-nav__link">
|
|
Logs
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../debug-mysql_upgrade/" class="md-nav__link">
|
|
Manual MySQL upgrade
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../debug-mysql_aria/" class="md-nav__link">
|
|
Recover crashed Aria storage engine
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../debug-rm_volumes/" class="md-nav__link">
|
|
Remove Persistent Data
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../debug-reset_pw/" class="md-nav__link">
|
|
Reset Passwords (incl. SQL)
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../debug-reset_tls/" class="md-nav__link">
|
|
Reset TLS certificates
|
|
</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_7" type="checkbox" id="__nav_7" >
|
|
|
|
|
|
|
|
|
|
<label class="md-nav__link" for="__nav_7">
|
|
Backup & Restore
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" aria-label="Backup & Restore" data-md-level="1">
|
|
<label class="md-nav__title" for="__nav_7">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
Backup & Restore
|
|
</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">
|
|
Component backup
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" aria-label="Component backup" data-md-level="2">
|
|
<label class="md-nav__title" for="__nav_7_1">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
Component backup
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../b_n_r-backup/" class="md-nav__link">
|
|
Backup
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../b_n_r-restore/" class="md-nav__link">
|
|
Restore
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../b_n_r-coldstandby/" class="md-nav__link">
|
|
Cold-standby (rolling)
|
|
</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">
|
|
Manual backups
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" aria-label="Manual backups" data-md-level="2">
|
|
<label class="md-nav__title" for="__nav_7_3">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
Manual backups
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-backup_restore-maildir/" class="md-nav__link">
|
|
Maildir
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-backup_restore-mysql/" class="md-nav__link">
|
|
MySQL (mysqldump)
|
|
</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_7_4" type="checkbox" id="__nav_7_4" >
|
|
|
|
|
|
|
|
|
|
<label class="md-nav__link" for="__nav_7_4">
|
|
mailcow-internal backups
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" aria-label="mailcow-internal backups" data-md-level="2">
|
|
<label class="md-nav__title" for="__nav_7_4">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
mailcow-internal backups
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../b_n_r_accidental_deletion.md" class="md-nav__link">
|
|
Recover accidentally deleted data
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--active md-nav__item--nested">
|
|
|
|
|
|
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8" type="checkbox" id="__nav_8" checked>
|
|
|
|
|
|
|
|
|
|
<label class="md-nav__link" for="__nav_8">
|
|
Manual/Guides/Examples
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" aria-label="Manual/Guides/Examples" data-md-level="1">
|
|
<label class="md-nav__title" for="__nav_8">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
Manual/Guides/Examples
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--active md-nav__item--nested">
|
|
|
|
|
|
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8_1" type="checkbox" id="__nav_8_1" checked>
|
|
|
|
|
|
|
|
|
|
<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="../u_e-mailcow_ui-bl_wl/" class="md-nav__link">
|
|
Blacklist / Whitelist
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-mailcow_ui-config/" class="md-nav__link">
|
|
Configuration
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-mailcow_ui-css/" class="md-nav__link">
|
|
CSS overrides
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-mailcow_ui-pushover/" class="md-nav__link">
|
|
Pushover
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-mailcow_ui-spamfilter/" class="md-nav__link">
|
|
Spamfilter
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-mailcow_ui-tagging/" class="md-nav__link">
|
|
Tagging
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-mailcow_ui-spamalias/" class="md-nav__link">
|
|
Temporary email aliases
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item md-nav__item--active">
|
|
|
|
<input class="md-nav__toggle md-toggle" data-md-toggle="toc" type="checkbox" id="__toc">
|
|
|
|
|
|
|
|
<label class="md-nav__link md-nav__link--active" for="__toc">
|
|
Two-Factor Authentication
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<a href="./" class="md-nav__link md-nav__link--active">
|
|
Two-Factor Authentication
|
|
</a>
|
|
|
|
|
|
<nav class="md-nav md-nav--secondary" aria-label="Table of contents">
|
|
|
|
|
|
|
|
|
|
<label class="md-nav__title" for="__toc">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
Table of contents
|
|
</label>
|
|
<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#yubi-otp" class="md-nav__link">
|
|
Yubi OTP
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#u2f" class="md-nav__link">
|
|
U2F
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#totp" class="md-nav__link">
|
|
TOTP
|
|
</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-fido2/" 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="../u_e-postfix-trust_networks/" class="md-nav__link">
|
|
Add trusted networks
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-postfix-custom_transport/" class="md-nav__link">
|
|
Custom transport maps
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-postfix-extra_cf/" class="md-nav__link">
|
|
Customize/Expand main.cf
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-postfix-disable_sender_verification/" class="md-nav__link">
|
|
Disable Sender Addresses Verification
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-postfix-attachment_size/" class="md-nav__link">
|
|
Max. message size (attachment size)
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-postfix-relayhost/" class="md-nav__link">
|
|
Relayhosts
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-postfix-pflogsumm/" class="md-nav__link">
|
|
Statistics with pflogsumm
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-postfix-postscreen_whitelist/" class="md-nav__link">
|
|
Whitelist IP in Postscreen
|
|
</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="../u_e-unbound-fwd/" class="md-nav__link">
|
|
Using an external DNS service
|
|
</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="../u_e-dovecot-extra_conf/" class="md-nav__link">
|
|
Customize/Expand dovecot.conf
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-dovecot-any_acl/" class="md-nav__link">
|
|
Enable "any" ACL settings
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-dovecot-expunge/" class="md-nav__link">
|
|
Expunge a Users mails
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-dovecot-fts/" class="md-nav__link">
|
|
FTS (Solr)
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-dovecot-idle_interval/" class="md-nav__link">
|
|
IMAP IDLE interval
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-dovecot-mail-crypt/" class="md-nav__link">
|
|
Mail crypt
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-dovecot-more/" class="md-nav__link">
|
|
More Examples with DOVEADM
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-dovecot-vmail-volume/" class="md-nav__link">
|
|
Move Maildir (vmail)
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-dovecot-public_folder/" class="md-nav__link">
|
|
Public folders
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-dovecot-static_master/" class="md-nav__link">
|
|
Static master user
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-dovecot-catchall_vacation/" class="md-nav__link">
|
|
Vacation replies for catchall addresses
|
|
</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="../u_e-webmail-site/" class="md-nav__link">
|
|
Create subdomain webmail.example.org
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-nginx/" class="md-nav__link">
|
|
Custom sites
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-redis/" class="md-nav__link">
|
|
Redis
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-rspamd/" class="md-nav__link">
|
|
Rspamd
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-sogo/" class="md-nav__link">
|
|
SOGo
|
|
</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">
|
|
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_9">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
Docker
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-docker-cust_dockerfiles/" class="md-nav__link">
|
|
Customize Dockerfiles
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-docker-dc_bash_compl/" class="md-nav__link">
|
|
Docker Compose Bash Completion
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-why_unbound/" class="md-nav__link">
|
|
Why unbound?
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-autodiscover_config/" class="md-nav__link">
|
|
Autodiscover / Autoconfig
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-80_to_443/" class="md-nav__link">
|
|
Redirect HTTP to HTTPS
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-reeanble-weak-protocols/" class="md-nav__link">
|
|
Re-enable TLS 1.0 and TLS 1.1
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../u_e-update-hooks/" class="md-nav__link">
|
|
Run scripts before and after updates
|
|
</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 Configuration
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" aria-label="Client Configuration" data-md-level="1">
|
|
<label class="md-nav__title" for="__nav_9">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
Client Configuration
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../client/" class="md-nav__link">
|
|
Overview
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../client/client-android/" class="md-nav__link">
|
|
Android
|
|
</a>
|
|
</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
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../client/client-windows/" class="md-nav__link">
|
|
Windows Mail
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../client/client-windowsphone/" class="md-nav__link">
|
|
Windows Phone
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../client/client-manual/" class="md-nav__link">
|
|
Manual configuration
|
|
</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_10" type="checkbox" id="__nav_10" >
|
|
|
|
|
|
|
|
|
|
<label class="md-nav__link" for="__nav_10">
|
|
Third party apps
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
<nav class="md-nav" aria-label="Third party apps" data-md-level="1">
|
|
<label class="md-nav__title" for="__nav_10">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
Third party apps
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../third_party-borgmatic/" class="md-nav__link">
|
|
Borgmatic Backup
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../third_party-exchange_onprem/" class="md-nav__link">
|
|
Exchange Hybrid Setup
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../third_party-gitea/" class="md-nav__link">
|
|
Gitea
|
|
</a>
|
|
</li>
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<a href="https://github.com/mailcow/mailcow-dockerized-docs/edit/master/docs/u_e-mailcow_ui-tfa.md" title="Edit this page" class="md-content__button md-icon">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20.71 7.04c.39-.39.39-1.04 0-1.41l-2.34-2.34c-.37-.39-1.02-.39-1.41 0l-1.84 1.83 3.75 3.75M3 17.25V21h3.75L17.81 9.93l-3.75-3.75L3 17.25z"/></svg>
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<h1>Two-Factor Authentication</h1>
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<p>So far three methods for <em>Two-Factor Authentication</em> are implemented: U2F, Yubi OTP, and TOTP</p>
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<ul>
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<li>For U2F to work, you need an encrypted connection to the server (HTTPS) as well as a FIDO security key.</li>
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<li>Both U2F and Yubi OTP work well with the fantastic <a href="https://www.yubico.com">Yubikey</a>.</li>
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<li>While Yubi OTP needs an active internet connection and an API ID + key, U2F will work with any FIDO U2F USB key out of the box, but can only be used when mailcow is accessed over HTTPS.</li>
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<li>U2F and Yubi OTP support multiple keys per user.</li>
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<li>As the third TFA method mailcow uses TOTP: time-based one-time passwords. Those passwords can be generated with apps like "Google Authenticator" after initially scanning a QR code or entering the given secret manually.</li>
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</ul>
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<p>As administrator you are able to temporary disable a domain administrators TFA login until they successfully logged in.</p>
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<p>The key used to login will be displayed in green, while other keys remain grey.</p>
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<p>Information on how to remove 2FA can be found <a href="https://mailcow.github.io/mailcow-dockerized-docs/debug-reset_pw/#remove-two-factor-authentication">here</a>.</p>
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<h3 id="yubi-otp">Yubi OTP<a class="headerlink" href="#yubi-otp" title="Permanent link">¶</a></h3>
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<p>The Yubi API ID and Key will be checked against the Yubico Cloud API. When setting up TFA you will be asked for your personal API account for this key.
|
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The API ID, API key and the first 12 characters (your YubiKeys ID in modhex) are stored in the MySQL table as secret.</p>
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<h3 id="u2f">U2F<a class="headerlink" href="#u2f" title="Permanent link">¶</a></h3>
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<p>To use U2F, the browser must support this standard.</p>
|
|
<p>The following desktop browsers support this authentication type:</p>
|
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<ul>
|
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<li>Edge (>=79)</li>
|
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<li>Firefox (>=47, enabled by default since version 67)</li>
|
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<li>Chrome (>=41)</li>
|
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<li>Safari (>=13)</li>
|
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<li>Opera (40, >=42, not 41)</li>
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</ul>
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<p>The following mobile browsers support this authentication type:</p>
|
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<ul>
|
|
<li>Safari on iOS (>=13.3)</li>
|
|
<li>Firefox on Android (>=68)</li>
|
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</ul>
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<p>Sources: <a href="https://caniuse.com/u2f">caniuse.com</a>, <a href="https://blog.mozilla.org/security/2019/08/05/web-authentication-in-firefox-for-android/">blog.mozilla.org</a></p>
|
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<p>U2F works without an internet connection.</p>
|
|
<h3 id="totp">TOTP<a class="headerlink" href="#totp" title="Permanent link">¶</a></h3>
|
|
<p>The best known TFA method mostly used with a smartphone.</p>
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