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mailu/setup/templates
bors[bot] 88ffb9fcf1
Merge #1511
1511: Setup, compose: add note about reverse DNS r=mergify[bot] a=liquidat

## What type of PR?

documentation

## What does this PR do?

If the [mailu setup utility](https://setup.mailu.io/master/) is used with the Compose flavor, in step 4 a list of public host names needs to be provided:
![Screenshot from 2020-05-17 01-54-06](https://user-images.githubusercontent.com/1998084/82132563-5227d780-97e1-11ea-85ed-fa5d5108e24e.png)
The [first entry in this list is configured as hostname by postfix](ddac2672fc/core/postfix/conf/main.cf (L10)). That is crucial: if the reverse DNS entry for that host is not the same as this first entry in this list, it will be a mismatch between rDNS and HELO, which will lead to bad scoring in many spam filters.

This commit clarifies that point.
It also fixes a missing parenthesis.

### Related issue(s)

- (none)

## Prerequistes

- (none applicable)

Co-authored-by: liquidat <liquidat@bayz.de>
4 years ago
..
steps Merge #1511 4 years ago
base.html Prepare setup for multi-ver deployment on docs server 6 years ago
macros.html Load steps after setting flavor 6 years ago
setup.html Rename the config dir to setup 7 years ago
wizard.html Updated setup with optional psql db 6 years ago