diff --git a/WebsitePanel/Sources/WebsitePanel.Providers.HostedSolution.Exchange2013/Exchange2013.cs b/WebsitePanel/Sources/WebsitePanel.Providers.HostedSolution.Exchange2013/Exchange2013.cs
index 730de2fa..16de69ee 100644
--- a/WebsitePanel/Sources/WebsitePanel.Providers.HostedSolution.Exchange2013/Exchange2013.cs
+++ b/WebsitePanel/Sources/WebsitePanel.Providers.HostedSolution.Exchange2013/Exchange2013.cs
@@ -4402,6 +4402,10 @@ namespace WebsitePanel.Providers.HostedSolution
                 if (mailEnabled)
                 {
                     EnableMailPublicFolderInternal(organizationId, id, accountName, name, domain);
+
+                    // exchange transport needs access to create new items in order to deliver email 
+                    AddPublicFolderClientPermission(runSpace, parentFolder, "Anonymous", "CreateItems");
+                    AddPublicFolderClientPermission(runSpace, id, "Anonymous", "CreateItems");
                 }
 
             }