Can SharePoint Online send email notifications without Exchange Online?

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Occasional Contributor

Does SPO rely on EXO or Hybrid to send email notifications for things like alerts on libraries and lists, comments/like on pages etc?

Would a scenario with SPO and Exchange on prem work for notifications?

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4 Replies
Hi,
The short answer is "Yes", but you will need to make some setup if there is not a Hybrid / EXO deployment. Basically you will need to modifiy the e-mail attribute in the SPO user profiles services for every user.
Does that mean that SPO would use Exchange on prem to send email notifications (SMTP)?
No, it means you have to do some setup in SPO in order to properly receive notifications
so what does SPO use as SMTP to send emails?