Exchange Online mail flow diagnostics and deliverability — guided 'email not received' troubleshooting, transport rules, quarantine, connectors, and SPF/DKIM/DMARC checks with client-safe explanations
Installation
1
Add the marketplace
/plugin marketplace add markus41/Claude-m
2
Install plugins
/plugin
Run these commands in Claude Code to add this plugin to your environment. The marketplace must be added before you can install its plugins.