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Adaptive Cards are not currently supported for a shared mailbox.
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Learn about PoliteMail list size limits and how many recipients your email server can handle safely without performance issues.
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Send standard file attachments with PoliteMail using Outlook, or use Smart Attachments to improve deliverability and track engagement. Learn how to optimize email attachments for better performance.
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Learn how to use PoliteMail’s Message Expiration feature (v5.1+) to set expiration dates for time-sensitive messages. Works with PoliteMail 365 and Online editions. Includes setup requirements, scheduling options, and admin controls for modifying or deleting expirations.
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Learn why sensitivity labels don't auto-apply with PoliteMail SMTP and discover alternative solutions to classify your emails effectively.
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PoliteMail’s Open Visibility feature enables recipients to see real-time engagement metrics—like page views, read time, opens, and clicks—directly within the email. Available in all editions and versions, this feature can be added via the Feedback menu and customized by icon, color, and placem
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Learn how to send emails from multiple addresses in Outlook using the Delegate Method. Set up delegate access to send on behalf of another account and manage multiple Exchange or POP accounts effectively.
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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...
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Send SMS via PoliteMail using carrier email formats. Disable open tracking for mobile sends while still measuring link clicks and opens.
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Use PoliteMail’s Preflight Test Send to preview and test your email before sending. Verify formatting, links, and attachments across devices and avoid inflated metrics with auto-delete options.