Send Fine-Tuning

Send Progress Notifications in PoliteMail let users track the status of large email sends with configurable alerts at set intervals, providing updates on send start, progress, and completion directly to your inbox.

Learn how to send emails to large lists faster using aggregate measurement. Skip list expansion and deliver messages efficiently to your SMTP endpoint.

Learn how Self-Hosted PoliteMail admins can stop email delivery in progress by halting Mailflow via SMTP server settings. Admin rights required; not available for Cloud users.

PoliteMail's recall function differs from standard Outlook behavior. To stop message delivery, Admins must halt mail flow and clear the queue—only possible if network delivery isn't enabled. Some emails may still send, but this method helps reduce impact.

Fix emails stuck in Drafts with PoliteMail. Troubleshoot send failures, validate addresses, check permissions, and repair Outlook data files.

Starting in April 2026, Microsoft began implementing a new policy on the Outlook mobile app where images will automatically load only from senders designated as Safe Senders.  This is a setting that can be found in Intune (Block external images)....