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Outgoing emails

Manage scheduled emails, follow group email progress and retry failed sends.

Updated 6 Sept 2026

The Outgoing tab on Emails holds your scheduled drafts, group emails in progress and messages waiting to send or needing attention. It shows your scheduled drafts and group emails, plus pending and failed messages from mailboxes you can use.

Open emails

Choose Outgoing beside Inbox and Drafts.

The Outgoing tab on Emails, with its Scheduled, Group emails, and Pending and failed sections.

Scheduled

Scheduled drafts stay editable until sending begins. Edit reopens the draft, Send now starts it early, and Unschedule returns it to Drafts. Times use your organisation's timezone.

This section includes ordinary emails and group emails. For the timing rules and what happens when a scheduled email cannot start, see Scheduled sends.

Group emails

Each group email shows its subject, progress and the number sent and failed. Expand it to see each recipient's status and any error.

  1. 01

    Choose Stop while sending to cancel emails still in the queue. Emails already prepared continue to send.

  2. 02

    If the group finishes with failures, review the errors and fix the cause, such as a mailbox that needs reconnecting.

  3. 03

    Choose Retry failed to try those recipients again, or Dismiss to remove the finished group from Outgoing.

Emails are prepared one at a time, two seconds apart. Only one group runs from a mailbox at a time. If your provider asks Arbour to slow down, the group pauses before continuing. Provider sending limits can still cause failures.

A finished or stopped group disappears when it has no failures. A group with failures stays until they are retried successfully or you dismiss it. When a group finishes with failures, you receive a notification linking back here. This notification is on by default in app and by email; change it in Notifications.

Pending and failed

Individual emails waiting to send or failing to send appear with their recipient and status. Open a row's conversation to review the email. For a failed message, fix the cause and choose Retry.

Messages belonging to a group appear in that group's details instead. Outgoing refreshes every five seconds while work is active.

Keep reading
  • Inbox and email

    Inbox

    Read, link, reply to and compose the mail that comes through your connected mailboxes.

  • Inbox and email

    Group emails

    Select enquiries or bookings and send each contact a personalised email from your mailbox.

  • Inbox and email

    Scheduled sends

    Book a draft to go out later, edit it until it does, and know what happens if it cannot send.