---
title: "Microsoft Graph posts · Workwae"
description: "Articles on Microsoft Graph for Outlook mail and calendars: notifications, delta queries and clouds."
url: https://workwae.com/blog/tag/microsoft-graph
---

[Blog](https://workwae.com/blog/) / Tag

# Microsoft Graph.

Articles on Microsoft Graph for Outlook mail and calendars: notifications, delta queries and clouds.

## Microsoft Graph articles

### [Sending mail as your users without breaking their mailbox.](https://workwae.com/blog/sending-mail-as-your-users)

October 19, 2026 · 6 min read

Sent copies, Message-IDs, In-Reply-To, References, Gmail threadId rules and drafts across SMTP, Gmail and Graph.

Tags: SendingGmailMicrosoft Graph

### [GCC High email API: what changes per Microsoft cloud.](https://workwae.com/blog/gcc-high-email-api)

October 17, 2026 · 6 min read

Separate sign-in and Graph hosts, an app registration per cloud, admin consent and the APIs that differ.

Tags: Government cloudsMicrosoft GraphOAuth

### [Microsoft Graph change notifications for mail and calendar sync.](https://workwae.com/blog/microsoft-graph-change-notifications)

October 12, 2026 · 6 min read

Subscriptions, validation, lifecycle events and why delta queries, not notifications, are the record.

Tags: Microsoft GraphSync and pushWebhooks