Mail domain — ozpanel user guide

Mailboxes

Mailboxes, forwarding, spam rules and mail security for this domain. Pills on top: mailboxes, forwarders, deliverability grade.

Box / button	What it does
Outbound routing	Relays, routes, sending limits. See Outbound routing.
Add mailbox	New mailbox. See below.
Search mailboxes…	Filter the list.
Mailbox · Size limit · Status	Address, limit (no limit), active.
Manage	The mailbox's own page. See One mailbox.
Reset password	Generate a new password (shown once, to hand over) or Set this password (at least 10 characters).
Size limit	Megabytes. 0 = no limit. Full mailbox: mail refused, sender told.
Sign in as	Opens their mailbox console as them. Recorded as you.
Delete	Removes the mailbox and its mail. No undo but a backup.

Box / button	What it does
Address	The part before the @, e.g. `sales`.
Size limit (MB)	Default 0 = no limit, within your account's allowance.
Password (optional)	Blank: a strong one is generated and shown once. Set: at least 10 characters.

Box / button	What it does
Add forwarder	Mail to one address goes to others. Nothing stored for it.
Address	The part before the @, e.g. `info`. `@` alone = catch-all: everything no mailbox takes.
Forward to	Full addresses, comma separated. Outside the platform needs external forwarding.
catch-all	Pill on the catch-all row.
Edit · Delete	Change destinations, or remove.

Box / button	What it does
Add rule	One sender or domain.
Rule	Always accept — never treat as spam or Always reject — refuse at the door.
Sender or domain	e.g. `someone@example.com` or `example.com`.
Applies to	The whole domain (every mailbox), or one mailbox.

Box / button	What it does
Paste box	The message as it arrived, headers and all.
Score it	Shows the action, score, threshold, what raised and what lowered it. Nothing delivered, stored or learned.

Box / button	What it does
Move to Junk at	Score above which mail goes to Junk. Lower = stricter. Empty = platform default.
Refuse at	Score above which mail is refused and the sender told. Keep it well above Junk.
Skip greylisting for this domain	Greylisting delays the first message from a new sender. Skip it when mail must arrive at once.
Save · Cancel	Apply or drop.

What users see when they install webmail as an app.

Box / button	What it does
App name · Short name	The installed app's names.
Theme colour · Background	Colour pickers.
Icon	your own or the platform default. Upload a new one (PNG, SVG, JPEG). Remove it.
Save	Applies.

Box / button	What it does
Mail flow	Delivered, Bounced, Deferred, Refused, Spam, over recent days.
Deliverability	Whether other servers will accept your mail. One check per line, with the fix. Grade: good, improvable, action needed.
Mailbox sizes	Used and allocated per mailbox, against your allowance.
Spam filtering	Scanned, sent to Junk, refused outright, briefly delayed. Top rules.
Mail that keeps going to Junk	Signals that mark senders down for how mail was sent. Tick to stop one counting. recommended shown.

Box / button	What it does
DKIM signing	Signs outgoing mail. The DNS record to publish, copy, published or not. Rotate replaces the key.
MTA-STS	Senders must encrypt. testing, enforce or off. Start in testing.
Send failure reports to	Default `postmaster@` your domain.
Senders cache the policy for (seconds)	Default 604800.
DANE / TLSA	Publishes this server's certificate in DNS. Needs DNSSEC on the zone. on / off.

Box / button	What it does
Send copies to	One address, e.g. `archive@example.com`. Checked before saving.
Which mail	received and sent, received only, sent only.
Save	Asks to confirm. Copies are blind: nobody is told. Check you are allowed to.
Turn off	Stops copying.

Mail your own mailboxes send is scanned too, against higher thresholds. Catches a hijacked account early.