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argocd-apps/apps/base/mail/smarthost
unkin-agent 52cfabb38f Verify smarthost edge relays against the internal CA (#548)
The edge MTAs present certificates from the internal Vault PKI, so the smarthost cannot verify mta1/mta2.edge.unkin.net against the system CA bundle.

- pin both edge relay TLS policies to the internal CA via `tafile=`
- mount `vault-ca-cert` into the smarthost pods and reload on change

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Co-authored-by: BenVincent <benvin@main.unkin.net>
Reviewed-on: #548
Co-authored-by: unkin-agent <unkin-agent@unkin.net>
Co-committed-by: unkin-agent <unkin-agent@unkin.net>
2026-10-14 22:06:30 +11:00
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