[Feature request]: Microsoft 365 Graph Mailer

[alisalahio]

What kind of issue is this?

Feature request

Summary

It would be great if the SDK can support Microsoft 365 Mailer.
We're refactoring our notification methods to use email-sdk and that's the only one missing.

Adapter or area

Core client

Quick checks

• I removed API keys, tokens, and private customer data from this issue.
• I checked the docs or README first.
• I can help test a fix.

[leoisadev1]

Is this a api to send emails? If so please give me a link to check it out

[alisalahio]

Is this a api to send emails? If so please give me a link to check it out

Yeah, it's Microsoft Graph API

Endpoint: POST [https://graph.microsoft.com/v1.0/users/{senderUpn}/sendMail

Docs: https://learn.microsoft.com/en-us/graph/api/user-sendmail

There's app-only method (client credentials) and delegated (refresh token) auth modes.

Auth (OAuth client credentials): https://learn.microsoft.com/en-us/graph/auth-v2-service
Auth (delegated / refresh token): https://learn.microsoft.com/en-us/graph/auth-v2-user