[pmg-devel] [PATCH pmg-docs v2] pmgconfig: document DKIM signing local mail

[Stoiko Ivanov]

Signed-off-by: Stoiko Ivanov <s.ivanov at proxmox.com>
---
supersedes: https://lore.proxmox.com/pmg-devel/5a30ce18-cba0-4669-9b0a-d089d07d9182@proxmox.com/T/#t

v1->v2:
* add all improvments suggested by Fiona, but keep
'with a domain that would be signed' - see the mail-thread for the v1

pmgconfig.adoc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pmgconfig.adoc b/pmgconfig.adoc
index 3ac8973..f8b338c 100644
--- a/pmgconfig.adoc
+++ b/pmgconfig.adoc
@@ -575,6 +575,13 @@ You can either sign all mails received on the internal port using the domain of
 the envelope sender address or create a list of domains, for which emails
 should be signed, defaulting to the list of relay domains.
 
+Mails generated by {pmg} itself, like notifications and reports, usually have
+an empty envelope. Thus they will only be signed if you have selected `header`
+as the source of the signing domain and have set an RFC5322.From with a domain
+that would be signed as a `From:` setting in the
+xref:pmgconfig_spamdetector_quarantine[spam quarantine options] for spam reports
+and quarantine links, and in the xref:pmgconfig_systemconfig[system options] for
+other mails sent by {pmg}.
 
 Enable DKIM Signing::
 
-- 
2.39.5