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Docker Mailserver
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Advanced | Optional Configuration
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docker-mailserver
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Home
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Introduction
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Usage
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Configuration
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Examples
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FAQ
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Contributing
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DockerHub
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GHCR
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Docker Mailserver
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< svg xmlns = "http://www.w3.org/2000/svg" viewBox = "0 0 496 512" > <!-- ! Font Awesome Free 6.3.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc. --> < path d = "M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z" / > < / svg >
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docker-mailserver
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< ul class = "md-nav__list" data-md-scrollfix >
< li class = "md-nav__item" >
< a href = "../../.." class = "md-nav__link" >
Home
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< li class = "md-nav__item" >
< a href = "../../../introduction/" class = "md-nav__link" >
Introduction
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< li class = "md-nav__item" >
< a href = "../../../usage/" class = "md-nav__link" >
Usage
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Configuration
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< nav class = "md-nav" data-md-level = "1" aria-labelledby = "__nav_4_label" aria-expanded = "true" >
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< label class = "md-nav__title" for = "__nav_4" >
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< span class = "md-nav__icon md-icon" > < / span >
Configuration
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< ul class = "md-nav__list" data-md-scrollfix >
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< li class = "md-nav__item" >
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< a href = "../../environment/" class = "md-nav__link" >
Environment Variables
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< / a >
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< li class = "md-nav__item" >
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< a href = "../../user-management/" class = "md-nav__link" >
User Management
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< / a >
< / li >
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< li class = "md-nav__item md-nav__item--nested" >
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< input class = "md-nav__toggle md-toggle md-toggle--indeterminate" type = "checkbox" id = "__nav_4_3" >
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< label class = "md-nav__link" for = "__nav_4_3" id = "__nav_4_3_label" tabindex = "0" >
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Best Practices
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< nav class = "md-nav" data-md-level = "2" aria-labelledby = "__nav_4_3_label" aria-expanded = "false" >
< label class = "md-nav__title" for = "__nav_4_3" >
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< span class = "md-nav__icon md-icon" > < / span >
Best Practices
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< ul class = "md-nav__list" data-md-scrollfix >
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< li class = "md-nav__item" >
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< a href = "../../best-practices/dkim_dmarc_spf/" class = "md-nav__link" >
DKIM, DMARC & SPF
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< li class = "md-nav__item" >
< a href = "../../best-practices/autodiscover/" class = "md-nav__link" >
Auto-discovery
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< / ul >
< / nav >
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< li class = "md-nav__item md-nav__item--nested" >
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< input class = "md-nav__toggle md-toggle md-toggle--indeterminate" type = "checkbox" id = "__nav_4_4" >
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< label class = "md-nav__link" for = "__nav_4_4" id = "__nav_4_4_label" tabindex = "0" >
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Security
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< / label >
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< nav class = "md-nav" data-md-level = "2" aria-labelledby = "__nav_4_4_label" aria-expanded = "false" >
< label class = "md-nav__title" for = "__nav_4_4" >
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< span class = "md-nav__icon md-icon" > < / span >
Security
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< ul class = "md-nav__list" data-md-scrollfix >
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< li class = "md-nav__item" >
< a href = "../../security/understanding-the-ports/" class = "md-nav__link" >
Understanding the Ports
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< / li >
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< li class = "md-nav__item" >
< a href = "../../security/ssl/" class = "md-nav__link" >
SSL/TLS
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< li class = "md-nav__item" >
< a href = "../../security/fail2ban/" class = "md-nav__link" >
Fail2Ban
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< / li >
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< li class = "md-nav__item" >
< a href = "../../security/mail_crypt/" class = "md-nav__link" >
Mail Encryption
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< / li >
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< li class = "md-nav__item" >
< a href = "../../security/rspamd/" class = "md-nav__link" >
Rspamd
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< / ul >
< / nav >
< / li >
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< li class = "md-nav__item" >
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< a href = "../../debugging/" class = "md-nav__link" >
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Debugging
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< / li >
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< li class = "md-nav__item" >
< a href = "../../pop3/" class = "md-nav__link" >
Mail Delivery with POP3
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< li class = "md-nav__item" >
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< a href = "../../setup.sh/" class = "md-nav__link" >
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About setup.sh
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< / a >
< / li >
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< li class = "md-nav__item md-nav__item--active md-nav__item--nested" >
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< input class = "md-nav__toggle md-toggle " type = "checkbox" id = "__nav_4_8" checked >
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< label class = "md-nav__link" for = "__nav_4_8" id = "__nav_4_8_label" tabindex = "0" >
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Advanced Configuration
< span class = "md-nav__icon md-icon" > < / span >
< / label >
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< nav class = "md-nav" data-md-level = "2" aria-labelledby = "__nav_4_8_label" aria-expanded = "true" >
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< label class = "md-nav__title" for = "__nav_4_8" >
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< span class = "md-nav__icon md-icon" > < / span >
Advanced Configuration
< / label >
< ul class = "md-nav__list" data-md-scrollfix >
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< li class = "md-nav__item md-nav__item--active" >
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< input class = "md-nav__toggle md-toggle" type = "checkbox" id = "__toc" >
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< label class = "md-nav__link md-nav__link--active" for = "__toc" >
Optional Configuration
< span class = "md-nav__icon md-icon" > < / span >
< / label >
< a href = "./" class = "md-nav__link md-nav__link--active" >
Optional Configuration
< / a >
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< nav class = "md-nav md-nav--secondary" aria-label = "Table of contents" >
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< 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 = "#directories" class = "md-nav__link" >
Directories
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< li class = "md-nav__item" >
< a href = "#files" class = "md-nav__link" >
Files
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< / li >
< / ul >
< / nav >
< / li >
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< li class = "md-nav__item md-nav__item--nested" >
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< input class = "md-nav__toggle md-toggle md-toggle--indeterminate" type = "checkbox" id = "__nav_4_8_2" >
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< label class = "md-nav__link" for = "__nav_4_8_2" id = "__nav_4_8_2_label" tabindex = "0" >
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Maintenance
< span class = "md-nav__icon md-icon" > < / span >
< / label >
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< nav class = "md-nav" data-md-level = "3" aria-labelledby = "__nav_4_8_2_label" aria-expanded = "false" >
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< label class = "md-nav__title" for = "__nav_4_8_2" >
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< span class = "md-nav__icon md-icon" > < / span >
Maintenance
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< ul class = "md-nav__list" data-md-scrollfix >
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< li class = "md-nav__item" >
< a href = "../maintenance/update-and-cleanup/" class = "md-nav__link" >
Update and Cleanup
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< / li >
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< / ul >
< / nav >
< / li >
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< li class = "md-nav__item md-nav__item--nested" >
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< input class = "md-nav__toggle md-toggle md-toggle--indeterminate" type = "checkbox" id = "__nav_4_8_3" >
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< label class = "md-nav__link" for = "__nav_4_8_3" id = "__nav_4_8_3_label" tabindex = "0" >
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Override the Default Configs
< span class = "md-nav__icon md-icon" > < / span >
< / label >
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< nav class = "md-nav" data-md-level = "3" aria-labelledby = "__nav_4_8_3_label" aria-expanded = "false" >
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< label class = "md-nav__title" for = "__nav_4_8_3" >
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< span class = "md-nav__icon md-icon" > < / span >
Override the Default Configs
< / label >
< ul class = "md-nav__list" data-md-scrollfix >
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< li class = "md-nav__item" >
< a href = "../override-defaults/dovecot/" class = "md-nav__link" >
Dovecot
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< / li >
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< li class = "md-nav__item" >
< a href = "../override-defaults/postfix/" class = "md-nav__link" >
Postfix
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< / li >
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< li class = "md-nav__item" >
< a href = "../override-defaults/user-patches/" class = "md-nav__link" >
Modifications via Script
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< / li >
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< / ul >
< / nav >
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< li class = "md-nav__item" >
< a href = "../auth-ldap/" class = "md-nav__link" >
LDAP Authentication
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< / li >
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< li class = "md-nav__item" >
< a href = "../mail-sieve/" class = "md-nav__link" >
Email Filtering with Sieve
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< / li >
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< li class = "md-nav__item" >
< a href = "../mail-fetchmail/" class = "md-nav__link" >
Email Gathering with Fetchmail
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< / li >
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< li class = "md-nav__item" >
< a href = "../mail-getmail/" class = "md-nav__link" >
Email Gathering with Getmail
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< / li >
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< li class = "md-nav__item md-nav__item--nested" >
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< input class = "md-nav__toggle md-toggle md-toggle--indeterminate" type = "checkbox" id = "__nav_4_8_8" >
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< label class = "md-nav__link" for = "__nav_4_8_8" id = "__nav_4_8_8_label" tabindex = "0" >
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Email Forwarding
< span class = "md-nav__icon md-icon" > < / span >
< / label >
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< nav class = "md-nav" data-md-level = "3" aria-labelledby = "__nav_4_8_8_label" aria-expanded = "false" >
< label class = "md-nav__title" for = "__nav_4_8_8" >
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< span class = "md-nav__icon md-icon" > < / span >
Email Forwarding
< / label >
< ul class = "md-nav__list" data-md-scrollfix >
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< li class = "md-nav__item" >
< a href = "../mail-forwarding/relay-hosts/" class = "md-nav__link" >
Relay Hosts
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< / li >
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< li class = "md-nav__item" >
< a href = "../mail-forwarding/aws-ses/" class = "md-nav__link" >
AWS SES
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< / li >
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< / ul >
< / nav >
< / li >
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< li class = "md-nav__item" >
< a href = "../full-text-search/" class = "md-nav__link" >
Full-Text Search
< / a >
< / li >
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Forward-Only Mail-Server with LDAP
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< h1 > Optional Configuration< / h1 >
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< p > This is a list of all configuration files and directories which are optional or automatically generated in your < a href = "../../../faq/#what-about-the-docker-datadmsconfig-directory" > < code > docker-data/dms/config/< / code > < / a > directory.< / p >
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< h2 id = "directories" > < a class = "toclink" href = "#directories" > Directories< / a > < / h2 >
< ul >
< li > < strong > sieve-filter:< / strong > directory for sieve filter scripts. (Docs: < a href = "../mail-sieve/" > Sieve< / a > )< / li >
< li > < strong > sieve-pipe:< / strong > directory for sieve pipe scripts. (Docs: < a href = "../mail-sieve/" > Sieve< / a > )< / li >
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< li > < strong > opendkim:< / strong > DKIM directory. Auto-configurable via < a href = "../../setup.sh/" > < code > setup.sh config dkim< / code > < / a > . (Docs: < a href = "../../best-practices/dkim_dmarc_spf/#dkim" > DKIM< / a > )< / li >
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< li > < strong > ssl:< / strong > SSL Certificate directory if < code > SSL_TYPE< / code > is set to < code > self-signed< / code > or < code > custom< / code > . (Docs: < a href = "../../security/ssl/" > SSL< / a > )< / li >
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< li > < strong > Rspamd:< / strong > Override directory for custom settings when using Rspamd (Docs: < a href = "../../security/rspamd/#manually" > Rspamd< / a > )< / li >
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< / ul >
< h2 id = "files" > < a class = "toclink" href = "#files" > Files< / a > < / h2 >
< ul >
< li > < strong > {user_email_address}.dovecot.sieve:< / strong > User specific Sieve filter file. (Docs: < a href = "../mail-sieve/" > Sieve< / a > )< / li >
< li > < strong > before.dovecot.sieve:< / strong > Global Sieve filter file, applied prior to the < code > ${login}.dovecot.sieve< / code > filter. (Docs: < a href = "../mail-sieve/" > Sieve< / a > )< / li >
< li > < strong > after.dovecot.sieve< / strong > : Global Sieve filter file, applied after the < code > ${login}.dovecot.sieve< / code > filter. (Docs: < a href = "../mail-sieve/" > Sieve< / a > )< / li >
< li > < strong > postfix-main.cf:< / strong > Every line will be added to the postfix main configuration. (Docs: < a href = "../override-defaults/postfix/" > Override Postfix Defaults< / a > )< / li >
< li > < strong > postfix-master.cf:< / strong > Every line will be added to the postfix master configuration. (Docs: < a href = "../override-defaults/postfix/" > Override Postfix Defaults< / a > )< / li >
< li > < strong > postfix-accounts.cf:< / strong > User accounts file. Modify via the < a href = "../../setup.sh/" > < code > setup.sh email< / code > < / a > script.< / li >
< li > < strong > postfix-send-access.cf:< / strong > List of users denied sending. Modify via < a href = "../../setup.sh/" > < code > setup.sh email restrict< / code > < / a > .< / li >
< li > < strong > postfix-receive-access.cf:< / strong > List of users denied receiving. Modify via < a href = "../../setup.sh/" > < code > setup.sh email restrict< / code > < / a > .< / li >
< li > < strong > postfix-virtual.cf:< / strong > Alias configuration file. Modify via < a href = "../../setup.sh/" > < code > setup.sh alias< / code > < / a > .< / li >
< li > < strong > postfix-sasl-password.cf:< / strong > listing of relayed domains with their respective < code > < username> :< password> < / code > . Modify via < code > setup.sh relay add-auth < domain> < username> [< password> ]< / code > . (Docs: < a href = "../mail-forwarding/relay-hosts/#sender-dependent-authentication" > Relay-Hosts Auth< / a > )< / li >
< li > < strong > postfix-relaymap.cf:< / strong > domain-specific relays and exclusions. Modify via < code > setup.sh relay add-domain< / code > and < code > setup.sh relay exclude-domain< / code > . (Docs: < a href = "../mail-forwarding/relay-hosts/#sender-dependent-relay-host" > Relay-Hosts Senders< / a > )< / li >
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< li > < strong > postfix-regexp.cf:< / strong > Regular expression alias file. (Docs: < a href = "../../user-management/#configuring-regexp-aliases" > Aliases< / a > )< / li >
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< li > < strong > ldap-users.cf:< / strong > Configuration for the virtual user mapping < code > virtual_mailbox_maps< / code > . See the < a href = "https://github.com/docker-mailserver/docker-mailserver/blob/941e7acdaebe271eaf3d296b36d4d81df4c54b90/target/scripts/startup/setup-stack.sh#L411" > < code > setup-stack.sh< / code > < / a > script.< / li >
< li > < strong > ldap-groups.cf:< / strong > Configuration for the virtual alias mapping < code > virtual_alias_maps< / code > . See the < a href = "https://github.com/docker-mailserver/docker-mailserver/blob/941e7acdaebe271eaf3d296b36d4d81df4c54b90/target/scripts/startup/setup-stack.sh#L411" > < code > setup-stack.sh< / code > < / a > script.< / li >
< li > < strong > ldap-aliases.cf:< / strong > Configuration for the virtual alias mapping < code > virtual_alias_maps< / code > . See the < a href = "https://github.com/docker-mailserver/docker-mailserver/blob/941e7acdaebe271eaf3d296b36d4d81df4c54b90/target/scripts/startup/setup-stack.sh#L411" > < code > setup-stack.sh< / code > < / a > script.< / li >
< li > < strong > ldap-domains.cf:< / strong > Configuration for the virtual domain mapping < code > virtual_mailbox_domains< / code > . See the < a href = "https://github.com/docker-mailserver/docker-mailserver/blob/941e7acdaebe271eaf3d296b36d4d81df4c54b90/target/scripts/startup/setup-stack.sh#L411" > < code > setup-stack.sh< / code > < / a > script.< / li >
< li > < strong > whitelist_clients.local:< / strong > Whitelisted domains, not considered by postgrey. Enter one host or domain per line.< / li >
< li > < strong > spamassassin-rules.cf:< / strong > Antispam rules for Spamassassin. (Docs: < a href = "../../../faq/#how-can-i-manage-my-custom-spamassassin-rules" > FAQ - SpamAssassin Rules< / a > )< / li >
< li > < strong > fail2ban-fail2ban.cf:< / strong > Additional config options for < code > fail2ban.cf< / code > . (Docs: < a href = "../../security/fail2ban/" > Fail2Ban< / a > )< / li >
< li > < strong > fail2ban-jail.cf:< / strong > Additional config options for fail2ban's jail behaviour. (Docs: < a href = "../../security/fail2ban/" > Fail2Ban< / a > )< / li >
< li > < strong > amavis.cf:< / strong > replaces the < code > /etc/amavis/conf.d/50-user< / code > file< / li >
< li > < strong > dovecot.cf:< / strong > replaces < code > /etc/dovecot/local.conf< / code > . (Docs: < a href = "../override-defaults/dovecot/" > Override Dovecot Defaults< / a > )< / li >
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< li > < strong > dovecot-quotas.cf:< / strong > list of custom quotas per mailbox. (Docs: < a href = "../../user-management/#quotas" > Accounts< / a > )< / li >
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< li > < strong > user-patches.sh:< / strong > this file will be run after all configuration files are set up, but before the postfix, amavis and other daemons are started. (Docs: < a href = "../../../faq/#how-to-adjust-settings-with-the-user-patchessh-script" > FAQ - How to adjust settings with the < code > user-patches.sh< / code > script< / a > )< / li >
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< li > < strong > rspamd/custom-commands.conf:< / strong > list of simple commands to adjust Rspamd modules in an easy way (Docs: < a href = "../../security/rspamd/#with-the-help-of-a-custom-file" > Rspamd< / a > )< / li >
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