diff --git a/src/Orchard.Web/Modules/Orchard.Email/Models/EmailMessage.cs b/src/Orchard.Web/Modules/Orchard.Email/Models/EmailMessage.cs
index 3edcd8731..8c588ce91 100644
--- a/src/Orchard.Web/Modules/Orchard.Email/Models/EmailMessage.cs
+++ b/src/Orchard.Web/Modules/Orchard.Email/Models/EmailMessage.cs
@@ -1,4 +1,6 @@
-namespace Orchard.Email.Models {
+using System.Collections.Generic;
+
+namespace Orchard.Email.Models {
     public class EmailMessage {
         public string Subject { get; set; }
         public string Body { get; set; }
@@ -7,5 +9,9 @@
         public string From { get; set; }
         public string Bcc { get; set; }
         public string Cc { get; set; }
+        /// <summary>
+        /// IEnumerable of strings representing attachments paths
+        /// </summary>
+        public IEnumerable<string> Attachments { get; set; }
     }
 }
\ No newline at end of file
diff --git a/src/Orchard.Web/Modules/Orchard.Email/Services/SmtpMessageChannel.cs b/src/Orchard.Web/Modules/Orchard.Email/Services/SmtpMessageChannel.cs
index 0ab833e6b..02e26892a 100644
--- a/src/Orchard.Web/Modules/Orchard.Email/Services/SmtpMessageChannel.cs
+++ b/src/Orchard.Web/Modules/Orchard.Email/Services/SmtpMessageChannel.cs
@@ -9,6 +9,8 @@ using Orchard.ContentManagement;
 using Orchard.DisplayManagement;
 using Orchard.Logging;
 using Orchard.Email.Models;
+using System.Linq;
+using System.IO;
 
 namespace Orchard.Email.Services {
     public class SmtpMessageChannel : Component, ISmtpChannel, IDisposable {
@@ -51,7 +53,8 @@ namespace Orchard.Email.Services {
                 ReplyTo = Read(parameters, "ReplyTo"),
                 From = Read(parameters, "From"),
                 Bcc = Read(parameters, "Bcc"),
-                Cc = Read(parameters, "CC")
+                Cc = Read(parameters, "CC"),
+                Attachments = (IEnumerable<string>)(parameters.ContainsKey("Attachments") ? parameters["Attachments"] : new List<string>())
             };
 
             if (emailMessage.Recipients.Length == 0) {
@@ -105,8 +108,7 @@ namespace Orchard.Email.Services {
 
                 if (!String.IsNullOrWhiteSpace(emailMessage.From)) {
                     mailMessage.From = new MailAddress(emailMessage.From);
-                }
-                else {
+                } else {
                     // Take 'From' address from site settings or web.config.
                     mailMessage.From = !String.IsNullOrWhiteSpace(_smtpSettings.Address)
                         ? new MailAddress(_smtpSettings.Address)
@@ -119,9 +121,15 @@ namespace Orchard.Email.Services {
                     }
                 }
 
+                foreach (var attachmentPath in emailMessage.Attachments) {
+                    if (File.Exists(attachmentPath)) {
+                        mailMessage.Attachments.Add(new Attachment(attachmentPath));
+                    } else {
+                        throw new FileNotFoundException(T("One or more attachments not found.").Text);
+                    }
+                }
                 _smtpClientField.Value.Send(mailMessage);
-            }
-            catch (Exception e) {
+            } catch (Exception e) {
                 Logger.Error(e, "Could not send email");
             }
         }
@@ -129,7 +137,7 @@ namespace Orchard.Email.Services {
         private SmtpClient CreateSmtpClient() {
             // If no properties are set in the dashboard, use the web.config value.
             if (String.IsNullOrWhiteSpace(_smtpSettings.Host)) {
-                return new SmtpClient(); 
+                return new SmtpClient();
             }
 
             var smtpClient = new SmtpClient {
@@ -155,7 +163,7 @@ namespace Orchard.Email.Services {
         }
 
         private IEnumerable<string> ParseRecipients(string recipients) {
-            return recipients.Split(new[] {',', ';'}, StringSplitOptions.RemoveEmptyEntries);
+            return recipients.Split(new[] { ',', ';' }, StringSplitOptions.RemoveEmptyEntries);
         }
     }
 }
\ No newline at end of file
diff --git a/src/Orchard.Web/Modules/Orchard.OutputCache/Filters/OutputCacheFilter.cs b/src/Orchard.Web/Modules/Orchard.OutputCache/Filters/OutputCacheFilter.cs
index 4e0bc04a3..853384578 100644
--- a/src/Orchard.Web/Modules/Orchard.OutputCache/Filters/OutputCacheFilter.cs
+++ b/src/Orchard.Web/Modules/Orchard.OutputCache/Filters/OutputCacheFilter.cs
@@ -41,6 +41,7 @@ namespace Orchard.OutputCache.Filters {
         private readonly ICacheService _cacheService;
         private readonly ISignals _signals;
         private readonly ShellSettings _shellSettings;
+        private readonly ICachingEventHandler _cachingEvents;
         private bool _isDisposed = false;
 
         public ILogger Logger { get; set; }
@@ -55,7 +56,8 @@ namespace Orchard.OutputCache.Filters {
             IClock clock,
             ICacheService cacheService,
             ISignals signals,
-            ShellSettings shellSettings) {
+            ShellSettings shellSettings,
+            ICachingEventHandler cachingEvents) {
 
             _cacheManager = cacheManager;
             _cacheStorageProvider = cacheStorageProvider;
@@ -67,6 +69,7 @@ namespace Orchard.OutputCache.Filters {
             _cacheService = cacheService;
             _signals = signals;
             _shellSettings = shellSettings;
+            _cachingEvents = cachingEvents;
 
             Logger = NullLogger.Instance;
         }
@@ -616,6 +619,9 @@ namespace Orchard.OutputCache.Filters {
                 }
             }
 
+            //make CacheKey morphable by external modules
+            _cachingEvents.KeyGenerated(keyBuilder);
+
             return keyBuilder.ToString();
         }
 
diff --git a/src/Orchard.Web/Modules/Orchard.OutputCache/ICachingEventHandler.cs b/src/Orchard.Web/Modules/Orchard.OutputCache/ICachingEventHandler.cs
new file mode 100644
index 000000000..a2dbc640e
--- /dev/null
+++ b/src/Orchard.Web/Modules/Orchard.OutputCache/ICachingEventHandler.cs
@@ -0,0 +1,12 @@
+using Orchard.Events;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Web;
+
+namespace Orchard.OutputCache {
+    public interface ICachingEventHandler : IEventHandler {
+        void KeyGenerated(StringBuilder key);
+    }
+}
\ No newline at end of file
diff --git a/src/Orchard.Web/Modules/Orchard.OutputCache/Orchard.OutputCache.csproj b/src/Orchard.Web/Modules/Orchard.OutputCache/Orchard.OutputCache.csproj
index a3a7fa74c..9a4520288 100644
--- a/src/Orchard.Web/Modules/Orchard.OutputCache/Orchard.OutputCache.csproj
+++ b/src/Orchard.Web/Modules/Orchard.OutputCache/Orchard.OutputCache.csproj
@@ -103,6 +103,7 @@
     <Content Include="Web.config" />
     <Content Include="Scripts\Web.config" />
     <Content Include="Styles\Web.config" />
+    <Compile Include="ICachingEventHandler.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Content Include="Module.txt" />
   </ItemGroup>