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The Delivery tab

The Delivery tab of a campaign

The summary before sending, and the main action for the current state.

What leaves

The What leaves block, to read once more: Subject, From, To (list and segment), Recipients (the exact number), Mailer and how long it takes at the provider’s pace. Anything missing is flagged in orange.

Ready or not

Under the summary, Lekalao says whether the campaign may go, or lists what to sort out first:

Send now

Send now asks for a confirmation (“It goes to N people. E-mails already sent cannot be taken back.”). The campaign moves to sending:
  1. one e-mail is prepared for each recipient, never twice for the same person;
  2. the e-mails leave through the queue, at the provider’s pace, following the spreading, the local hour and the list’s sending hours;
  3. the big mailboxes are treated gently: Lekalao limits how many go each minute to Gmail, Outlook, Yahoo, Orange and the rest;
  4. each e-mail is rendered at the last moment, in the subscriber’s language, with their variables.
Addresses on the suppression list, the unconfirmed and the unsubscribed are left out. Progress appears: percentage, sent, waiting, failed.

Schedule

Schedule: a date and a time, read in the installation’s time zone (UTC by default). The campaign becomes scheduled and leaves on its own at that time; the scheduler checks every minute. While it is scheduled, you may:
  • Change the schedule;
  • Send now;
  • Cancel the schedule: it becomes a draft you can edit again.

While it sends

Paused on its own

Lekalao watches the bounces and the complaints while it sends. Past the thresholds (by default, after 500 e-mails: more than 0.1 % complaints with at least 3 of them, or more than 5 % bounces with at least 10), the campaign pauses itself, the reason appears in red, and an e-mail warns whoever created the campaign and the recipients of the list summary (failing them, the team’s owners).
Do not resume before you understand why. Many bounces betray an old list, or one imported without consent; complaints betray people who do not remember subscribing. Clean the list (an engagement segment, deleting the unconfirmed) before starting again, or the mailboxes will keep refusing your e-mails, and not only this campaign’s.
See Sending safety.

Sends that got stuck

If the workers stopped, the e-mails that have waited too long are queued again every ten minutes. The Maintenance page flags a campaign that has been sending for more than six hours.

After the send

The campaign becomes sent. A summary goes by e-mail to whoever created it and to the recipients of the list summary, with the first figures. The outgoing webhooks receive the campaign.sent event. To send the same content again: Duplicate, then adjust it (onto a “did not open” segment, say).