[pmg-devel] applied: [PATCH pmg-docs v2] dkim: document dkim_use_domain

[Stoiko Ivanov <s.ivanov@proxmox.com>]

Thanks!
applied, with the subject fixed up (s/_/-/)
added another commit with a rephrasing - would be glad for feedback if
anything is off/less clear with it)
additionally added the new setting to `gen-pmg.conf.5-opts.pl`

On Tue, 27 Feb 2024 11:33:35 +0100
Maximiliano Sandoval <m.sandoval@proxmox.com> wrote:

> Signed-off-by: Maximiliano Sandoval <m.sandoval@proxmox.com>
> ---
> Differences from v1:
>  - Add links to RFCs
>  - Use `+` for new lines in the same section
> 
>  asciidoc/asciidoc-pmg.conf |  3 +++
>  pmgconfig.adoc             | 12 ++++++++++++
>  2 files changed, 15 insertions(+)
> 
> diff --git a/asciidoc/asciidoc-pmg.conf b/asciidoc/asciidoc-pmg.conf
> index 45ea7dd..6c9f0bb 100644
> --- a/asciidoc/asciidoc-pmg.conf
> +++ b/asciidoc/asciidoc-pmg.conf
> @@ -21,7 +21,10 @@ clamav=https://www.clamav.net[ClamAV(R)]
>  debian=https://www.debian.org[Debian]
>  debian_nonfree_archive_area=https://www.debian.org/doc/debian-policy/ch-archive#the-non-free-archive-area[Debian's non-free archive area]
>  tts=http://www.template-toolkit.org[Template Toolkit]
> +smtp_rfc=https://tools.ietf.org/html/rfc5321[RFC 5321]
> +rfc_5322=https://tools.ietf.org/html/rfc5322[RFC 5322]
>  dkim_rfc=https://tools.ietf.org/html/rfc6376[RFC 6376]
> +dmarc_rfc=https://tools.ietf.org/html/rfc7489[RFC 7489]
>  ifndef::docinfo1[]
>  author=Proxmox Server Solutions GmbH
>  email=support@proxmox.com
> diff --git a/pmgconfig.adoc b/pmgconfig.adoc
> index bf3887e..33d35fb 100644
> --- a/pmgconfig.adoc
> +++ b/pmgconfig.adoc
> @@ -585,6 +585,18 @@ Controls whether all outbound mail should get signed or only mails from domains
>  listed in `/etc/pmg/dkim/domains`, if it exists and `/etc/pmg/domains`
>  otherwise.
>  
> +Select Signing Domain::
> +
> +Determines whether to DKIM sign emails using the domain found in the envelope
> +from or the from header in the body of the email. The envelope from is also
> +known as reverse-path, see {smtp_rfc} section 3.3 and {rfc_5322} section 3.6.2.
> ++
> +The envelop from of certain emails, bounces for example, can be empty. In these
> +cases it is desirable to sign them using the domain found in the from header.
> ++
> +Additionally, DMARC (see {dmarc_rfc} section 3.1.1) needs the domain found in
> +the from header in certain situations.
> +
>  These settings are saved to the 'admin' subsection in `/etc/pmg/pmg.conf`,
>  using the following configuration keys:
>