Power Automate, Create flows to manage email
Here are some of the most frequently used ways to create flows to manage your email.
Power Automate offers many templates for you to create flows. You can use these templates "as is" or you can make any adjustments that your scenario needs. If you don't find a template that matches your scenario, you can create a cloud flow without a template. You can also create a flow from connectors.
*-> Create a cloud flow from a connector: In Power Automate, select Connectors from the left side of the screen, search for the connector you want, and then select it to create your flow. For example, search for outlook to find connectors for Outlook for Microsoft 365.
Two of the most popular connectors used in flows to send or receive email are the Outlook.com connector and the Office 365 Outlook connector. Both connectors offer similar operations that you can use to manage your mail, calendars, and contacts. You can perform actions such as send mail, schedule meetings, add contacts, and more with either of these connectors.
Triggers
A trigger is an event that starts a cloud flow. For example, When a new email arrives (V3) is a trigger that starts a cloud flow when an email arrives into an inbox.
Reference:
https://learn.microsoft.com/en-us/power-automate/create-email-flows
https://learn.microsoft.com/en-us/power-automate/email-overview