http://www.liveside.net/main/archive/2009/06/02/microsoft-to-discontinue-dav-email-protocol-september-1st.aspxIn a blog post on Windows Live Wire , Microsoft has announced that it will discontinue the DAV protocol for accessing Hotmail on September 1, 2009.&#160; DAV (or WebDAV ) is an older protocol, not suited to large inboxes, and with free POP3 access forenCommunityServer 2008.5 SP2 (Build: 40407.4157)http://www.liveside.net/main/archive/2009/06/02/microsoft-to-discontinue-dav-email-protocol-september-1st.aspx#13512Tue, 02 Jun 2009 18:42:11 GMT56c526a3-1f9b-4262-a0cc-2de2ce4c7619:13512JohnCz<p>I guess this will provide Microsoft/Live some support costs savings. &nbsp;</p> <p>Any idea how many users could be impacted? &nbsp;I&#39;d be curious if they sent out an email to user accounts that accessed hotmail using this protocol in the last 30 days.</p> <div style="clear:both;"></div><img src="http://www.liveside.net/aggbug.aspx?PostID=13512" width="1" height="1">