Files
argocd-apps/apps/base/mail/rspamd/dkim_signing.conf
T
unkin-agent 0ee11a065b Add rspamd, ClamAV and sentinel Valkey to the mail namespace (#542)
The smarthost routes all mail through one rspamd: inbound that survived the edge gets the AI (LiteLLM Haiku) pass and is tagged for Stalwart's Junk filing; outbound from the lab and pods is DKIM-signed.

- add rspamd (milter via ClusterIP only), ClamAV and a 3-node sentinel Valkey
- tag inbound (`X-Spam`, `X-Spam-Status`, `X-Spamd-Result`), reject only viruses, tempfail when ClamAV fails
- score inbound against the hop before the edge relays (`external_relay`)
- DKIM-sign and skip GPT only for the smarthost's mynetworks sources
- elect the highest-offset Valkey on full restart; RDB, 384mb `volatile-ttl`
- read a hashed controller password (`password_hash`)

Requires `password_hash` in kv `mail/default/rspamd-controller`.

Reviewed-on: #542
Co-authored-by: unkin-agent <unkin-agent@unkin.net>
Co-committed-by: unkin-agent <unkin-agent@unkin.net>
2026-10-12 22:36:55 +11:00

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sign_authenticated = false;
sign_local = true;
sign_inbound = false;
use_domain = "header";
allow_hdrfrom_mismatch = false;
selector = "mail";
path = "/etc/rspamd/dkim/$domain.$selector.key";