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add a note about TLS to "Usage" page (#3236)

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Georg Lauterbach 2023-04-08 23:54:35 +02:00 committed by GitHub
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docs/content/usage.md
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@ -45,9 +45,9 @@ Now let's say you just bought `example.com` and you want to be able to send and
We will later dig into DKIM, DMARC & SPF, but for now, these are the records that suffice in getting you up and running. Here is a short explanation of what the records do:
- The **MX record** tells everyone which (DNS) name is responsible for e-mails on your domain.
Because you want to keep the option of running another service on the domain name itself, you run your mail server on `mail.example.com`.
This does not imply your e-mails will look like `test@mail.example.com`, the DNS name of your mail server is decoupled of the domain it serves e-mails for.
In theory, you mail server could even serve e-mails for `test@some-other-domain.com`, if the MX record for `some-other-domain.com` points to `mail.example.com`.
Because you want to keep the option of running another service on the domain name itself, you run your mail server on `mail.example.com`.
This does not imply your e-mails will look like `test@mail.example.com`, the DNS name of your mail server is decoupled of the domain it serves e-mails for.
In theory, you mail server could even serve e-mails for `test@some-other-domain.com`, if the MX record for `some-other-domain.com` points to `mail.example.com`.
- The **A record** tells everyone which IP address the DNS name `mail.example.com` resolves to.
- The **PTR record** is the counterpart of the A record, telling everyone what name the IP address `11.22.33.44` resolves to.
@ -142,6 +142,12 @@ On first start, you will need to add at least one email account (unless you're u
## Further Miscellaneous Steps
### Setting up TLS
You definitely want to setup TLS. Please refer to [our documentation about TLS][docs-tls].
[docs-tls]: ./config/security/ssl.md
### Aliases
You should add at least one [alias][docs-aliases], the [_postmaster alias_][docs-env-postmaster]. This is a common convention, but not strictly required.
@ -165,7 +171,7 @@ When keys are generated, you can configure your DNS server by just pasting the c
!!! note
In case you're using LDAP, the setup looks a bit different as you do not add user accounts directly. Postfix doesn't know your domain(s) and you need to provide it when configuring DKIM:
``` BASH
docker exec -ti <CONTAINER NAME> setup config dkim domain '<domain.tld>[,<domain2.tld>]'
```