Update README.md

Author: CESARDELATORRE

README.md

@@ -44,7 +44,7 @@ You can download them and start reviewing these Guides/eBooks here:
 | <a href='https://aka.ms/microservicesebook'><img src="img/ebook_arch_dev_microservices_containers_cover.png"> </a> | <a href='https://aka.ms/dockerlifecycleebook'> <img src="img/ebook_containers_lifecycle.png"> </a> | <a href='https://aka.ms/xamarinpatternsebook'> <img src="img/xamarin-enterprise-patterns-ebook-cover-small.png"> </a> |
 | <sup> <a href='https://aka.ms/microservicesebook'>**Download** (Early DRAFT, still work in progress)</a> </sup>  | <sup> <a href='https://aka.ms/dockerlifecycleebook'>**Download** (First Edition from late 2016) </a>  </sup> | <sup> <a href='https://aka.ms/xamarinpatternsebook'>**Download** (Early DRAFT, still work in progress) </a>  </sup> |
 
-Send feedback to [cesardl@microsoft.com](cesardl@microsoft.com)
+Send feedback to [dotnet-architecture-ebooks-feedback@service.microsoft.com](dotnet-architecture-ebooks-feedback@service.microsoft.com)
 <p>
 However, we encourage to download and review the "Architecting & Developing eBook" because the architectural styles and architectural patterns and technologies explained in the guidance are using this reference application when explaining many pattern implementations, so you'll understand much better the context, design and decisions taken in the current architecture and internal designs.