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Consistency pass, formatting cleanup and fixes, introduce admonitions, add front-matter. --- docs: Add front-matter --- docs: Fix and format links - Some links were invalid (eg files moved or renamed) - Some were valid but had invalid section headers (content removed or migrated) - Some use `http://` instead of `https://` when the website supports a secure connection. - Some already used the `[name][reference]` convention but often with a number that wasn't as useful for maintenance. - All referenced docs needed URLs replaced. Opted for the `[name][reference]` approach to group them all clearly at the bottom of the doc, especially with the relative URLs and in some cases many duplicate entries. - All `tomav` references from the original repo prior to switch to an organization have been corrected. - Minor cosmetic changes to the `name` part of the URL, such as for referencing issues to be consistent. - Some small changes to text body, usually due to duplicate URL reference that was unnecessary (open relay, youtous) - Switched other links to use the `[name][reference]` format when there was a large group of URLs such as wikipedia or kubernetes. Github repos that reference projects related to `docker-mailserver` also got placed here so they're noticed better by maintainers. This also helped quite a bit with `mermaid` external links that are very long. - There was a Github Wiki supported syntax in use `[[name | link]]` for `fetchmail` page that isn't compatible by default with MkDocs (needs a plugin), converted to `[name][reference]` instead since it's a relative link. --- docs: Update commit link for LDAP override script Logic moved to another file, keeping the permalink commit reference so it's unaffected by any changes in the file referenced in future. --- docs: Heading corrections Consistency pass. Helps with the Table of Contents (top-right UI) aka Document Outline. docs: codefence cleanup --- docs: misc cleanup --- docs: Add Admonitions Switches `<details>` usage for collapsible admonitions (`???`) while other text content is switched to the visually more distinct admoniton (`!!!` or `???+`) style. This does affect editor syntax highlighting a bit and markdown linting as it's custom non-standard markdown syntax.
42 lines
2 KiB
Markdown
42 lines
2 KiB
Markdown
---
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title: 'User Management | Aliases'
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---
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Please read the [Postfix documentation on virtual aliases](http://www.postfix.org/VIRTUAL_README.html#virtual_alias) first.
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You can use [`setup.sh`][docs-setupsh] instead of creating and editing files manually. Aliases are managed in `/tmp/docker-mailserver/postfix-virtual.cf`. An alias is a _full_ email address that will either be:
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* delivered to an existing account registered in `/tmp/docker-mailserver/postfix-accounts.cf`
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* redirected to one or more other email addresses
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Alias and target are space separated. An example on a server with domain.tld as its domain:
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```cf
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# Alias delivered to an existing account
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alias1@domain.tld user1@domain.tld
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# Alias forwarded to an external email address
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alias2@domain.tld external@gmail.com
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```
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## Configuring RegExp Aliases
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Additional regexp aliases can be configured by placing them into `config/postfix-regexp.cf`. The regexp aliases get evaluated after the virtual aliases (`/tmp/docker-mailserver/postfix-virtual.cf`). For example, the following `config/postfix-regexp.cf` causes all email to "test" users to be delivered to `qa@example.com`:
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```cf
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/^test[0-9][0-9]*@example.com/ qa@example.com
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```
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## Address Tags (Extension Delimiters) an Alternative to Aliases
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Postfix supports so-called address tags, in the form of plus (+) tags - i.e. address+tag@example.com will end up at address@example.com. This is configured by default and the (configurable !) separator is set to `+`. For more info, see [How to use Address Tagging (`user+tag@example.com`) with Postfix](https://www.stevejenkins.com/blog/2011/03/how-to-use-address-tagging-usertagexample-com-with-postfix/) and the [official documentation](http://www.postfix.org/postconf.5.html#recipient_delimiter).
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!!! note
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If you do decide to change the configurable separator, you must add the same line to *both* `config/postfix-main.cf` and `config/dovecot.cf`, because Dovecot is acting as the delivery agent. For example, to switch to `-`, add:
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```cf
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recipient_delimiter = -
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```
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[docs-setupsh]: ../setup.sh.md
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