While DKIM and SPF are sufficient for some scenarios, that solution won't work in some situations where emails are sent via an external provider, which can lead to recipients not experiencing the enhanced Actionable Message. For this reason, we recommend always implementing signed...
Event-based add-ins are restricted to admin-managed deployments only, even if they're acquired from AppSource. If users acquire the add-in from AppSource or the in-app Office Store, they won't be able to activate the event-based function of the add-in. To learn more about listing ...
Most often, a recall message is received when the recipient uses a desktop version of Outlook that is not on Exchange Server. In that event, the recipient only receives a note that a recall attempt has been made. The original message won't be deleted from their inbox in any case. How t...
Remember, Outlook can be a one-off solution for emergency situations, but it's not the right long-term one. Take precautionary measures to never worry about Outlook email recall again. Start by setting up yourunified inboxto manage all emails in one place, Undo Send with just a click, and...
BCC recipients are those you add to the “Bcc” field. These people get emails just like any other recipient, but their email addresses are hidden. That means other recipients won’t know if you sent the emails to other recipients. Because of that, BCC recipients can’t reply to emai...
You can't usehttp://localhostas a URL because that is unreachable from Office 365. Tip Use the free toolngrokto create a public HTTPS endpoint proxy that maps tohttp://localhoston your development environment. A user receives an email with an Actionable Message embedded in th...
You can't usehttp://localhostas a URL because that is unreachable from Office 365. Tip Use the free toolngrokto create a public HTTPS endpoint proxy that maps tohttp://localhoston your development environment. A user receives an email with an Actionable Message embedded in...