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Updated A mail server's 101 (markdown)

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Jean-Denis Vauguet 2020-06-12 05:59:16 +02:00
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docs/content/a-mail-server's-101.md
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@ -86,15 +86,15 @@ When it comes to the specifics of email exchange, we have to look at protocols a
| Retrieval | POP3 | _Not activated_ |
```txt
┏━━━━━━━━━━ Submission ━━━━━━━━━┓┏━━━━━━━━━━━━━ Transfer/Relay ━━━━━━━━━━━┓
┌─────────────────────┐ ┌┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┐
Sending an email: MUA ----- STARTTLS ---> ┤(587) MTA ╮ (25)├ <-- plain text --> ┊ Third-party MTA ┊
---- plain text --> ┤(25) │ | └┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┘
|┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄|
Fetching an email: MUA <---- STARTTLS ---- ┤(143) MDA ╯ |
<-- enforced TLS -- ┤(993) |
└─────────────────────┘
┗━━━━━━━━━━ Retrieval ━━━━━━━━━━┛
┏━━━━━━━━━━ Submission ━━━━━━━━━┓┏━━━━━━━━━━━━━ Transfer/Relay ━━━━━━━━━━━┓
┌─────────────────────┐ ┌┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┐
MUA ----- STARTTLS ---> ┤(587) MTA ╮ (25)├ <-- plain text --> ┊ Third-party MTA ┊
---- plain text --> ┤(25) │ | └┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┘
|┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄|
MUA <---- STARTTLS ---- ┤(143) MDA ╯ |
<-- enforced TLS -- ┤(993) |
└─────────────────────┘
┗━━━━━━━━━━ Retrieval ━━━━━━━━━━┛
```
If you're new to the field, both that table and schema may be confusing.
@ -165,4 +165,4 @@ We believe docker-mailserver's default configuration to be a good middle ground:
Eventually, it is up to _you_ deciding exactly what kind of transportation/encryption to use and/or enforce, and to customize your instance accordingly (with looser or stricter security).
The [README](https://github.com/tomav/docker-mailserver) is the best starting point in configuring and running your mail server. You may then explore this wiki to cover additional topics, including but not limited to, security.
The [README](https://github.com/tomav/docker-mailserver) is the best starting point in configuring and running your mail server. You may then explore this wiki to cover additional topics, including but not limited to, security.