[pmg-devel] [PATCH pmg-docs] pmg-mail-filter: clarify matching of Who objects

[Stoiko Ivanov]

Thanks for addressing this!


On Thu,  6 Feb 2025 16:16:20 +0100
Friedrich Weber <f.weber at proxmox.com> wrote:

> In particular, explain that Who objects match against Envelope From
> and Envelope To, not the From: and To: mail headers. This is
> occasionally a source of confusion in enterprise support.
> 
> Signed-off-by: Friedrich Weber <f.weber at proxmox.com>
> ---
>  pmg-mail-filter.adoc | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/pmg-mail-filter.adoc b/pmg-mail-filter.adoc
> index 235f156..65d28b6 100644
> --- a/pmg-mail-filter.adoc
> +++ b/pmg-mail-filter.adoc
> @@ -265,6 +265,16 @@ We have two important 'Who' objects called 'Blacklist' and
>  'Whitelist'. These are used in the default ruleset to globally block
>  or allow specific senders.
>  
> +Note that 'Who' objects match against the mail addresses given during the SMTP
> +dialog:
maybe also mention that this is the information you see in the
journal/logs by default?
> +
> +* 'Who' objects in the 'FROM' category match against the mail address given in
> +  the `MAIL FROM` command (the Envelope From).
> +* 'Who' objects in the 'TO' category match against the mail address given in
> +  the `MAIL TO` command (the Envelope To).
the smtp-verb is RCPT (`RCPT TO`)



> +
> +If you want to match against the `From:` or `To:` header fields of the mail,
> +use a 'What' object with type 'Match Field' instead.
>  
>  [[pmg_mailfilter_what]]
>  'What' objects