01 / Email / D.01How it works
D.01

Email management

Run email for every cPanel, Plesk and DirectAdmin server from one screen. The mail queue shows why each message is stuck: greylisting, a DNS failure, a full mailbox or a spam hold. Delete a message, release a held one or flush the queue. Mailbox quotas, SPF, DKIM and DMARC checks and sending limits are one tab away.

Screen sheetD.01
Topic
D · Email
Order
01 / 04
Points
08
Panel support
3 / 4 panels
02 / FigurePanel screen
Hover the numbers
app.ctapanel.com/emailEmail · web02.fra1,842 messages queuedQueue 1,842MailboxesAuthenticationLimitsSenderHeld becauseWaitingTries[email protected]greylisted4 min4[email protected]DNS failure2 h11[email protected]mailbox full38 min2[email protected]spam hold12 min1Flush the queue?Held messages can be released on their own. Flushing everything also discards messages still waiting to retry.Flush allRelease heldFLUSH ALL ASKS FOR A SEPARATE CONFIRMATIONFlushing drops the server’s own queue counter too, so the dashboard, the alert and this screen show the same number.01020304
  1. 01The reason is writtenEvery message states why it is held, so there is no guessing from a queue count.
  2. 02Spam holdThis message waits for your decision; it is not removed on its own.
  3. 03Two flush modesOnly the held ones, or everything. Flushing all is marked destructive and asks to confirm.
  4. 04One number everywhereFlushing drops the server’s queue counter too; the dashboard, the alert and this screen agree.
Fig. 02 — Email management
03 / What it does8 points

What it does.

Most email tickets start the same way: “my mail isn’t going out”. A queue count of 1,842 doesn’t tell you why, so every row here carries the reason. Greylisting clears by itself, a DNS failure is yours to fix and a full mailbox means a quota change. Flushing the whole queue asks for a separate confirmation, because legitimate mail goes with it. The four email tabs (queue, mailboxes, authentication and limits) share one domain picker, so you follow a single customer from a stuck message to the missing DMARC record without searching again.

  1. Every queued message shows why it is held: greylisting, a retry, a DNS failure, a full mailbox, a rejection or a spam decision.

  2. Delete a single message or release one that is on hold.

  3. Flushing has two modes: only the held messages, or everything. Flushing everything is marked destructive and asks for separate confirmation.

  4. Flushing also lowers the server’s own queue counter, so the dashboard, the alert and this screen show the same number.

  5. A message in the spam queue waits for your decision and is never removed on its own.

  6. A server whose mail queue passes 250 messages moves onto the dashboard’s “needs attention” list.

  7. Mailbox quotas, SPF, DKIM and DMARC checks and sending limits are tabs on the same screen, with the domain you picked carried across.

  8. Works on cPanel/WHM, Plesk and DirectAdmin. A server without a panel has no mail queue management.

04 / Panel-by-panel support3 / 4 panels

Which panels support it?

Capability Mail queue and mailboxes

  • yesManaged from the panel
  • yesManaged from the panel
  • yesManaged from the panel
  • noNot possible on that panel

Servers without a control panel have no account, reseller or mailbox management, because those come from the panel itself. Firewall, DNS, services and the terminal work over SSH. See the full table

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