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Short operator notes inside the panel — not a second copy of the full guide. The cards keep their readings and controls; this page (and the drawer opened from each card's «?») holds the explanations that do not belong on the card itself.
Domain page
Topics marked as labels open the same text in the help drawer. For installation, backup, and environment variables see the operator guide in the repository.
CPU and memory are the container's own readings, not the host's spare capacity. Network is a short window, not a daily total. High CPU with an empty queue usually means something else on the box — not SelfPost being slow to send.
Port 465 presents the certificate the reverse proxy (or the image) mounted. The panel does not issue certificates. A warn here is expires soon; an error is missing or unreadable, and clients will refuse submission.
Forward-confirmed reverse DNS: the A/AAAA for
SELFPOST_HOSTNAME must reverse to that same name. PTR is set at
the hosting provider, not in this panel.