diff --git a/BuildFeed.Model/BuildRepository.cs b/BuildFeed.Model/BuildRepository.cs
index 2cd9684..d42c346 100644
--- a/BuildFeed.Model/BuildRepository.cs
+++ b/BuildFeed.Model/BuildRepository.cs
@@ -225,6 +225,12 @@ public async Task<List<Build>> SelectBuildsByStringSearch(string term, int limit
             return await query.ToListAsync();
         }
 
+        [DataObjectMethod(DataObjectMethodType.Select, false)]
+        public async Task<Build> SelectBuildByFullBuildString(string build)
+        {
+            return await _buildCollection.Find(Builders<Build>.Filter.Eq(b => b.FullBuildString, build)).SingleOrDefaultAsync();
+        }
+
         [DataObjectMethod(DataObjectMethodType.Select, false)]
         public async Task<List<Build>> SelectBuildsByCompileDate(int limit = -1, int skip = 0)
         {
diff --git a/BuildFeed/BuildFeed.csproj b/BuildFeed/BuildFeed.csproj
index d8f03bf..c70cb97 100644
--- a/BuildFeed/BuildFeed.csproj
+++ b/BuildFeed/BuildFeed.csproj
@@ -292,6 +292,7 @@
     <None Include="package.json" />
     <Content Include="res\Web.config" />
     <Content Include="res\css\light.scss" />
+    <None Include="Properties\PublishProfiles\Milestone 1 WebDeploy %28Private%29.pubxml" />
     <None Include="Properties\PublishProfiles\Milestone 1 WebDeploy.pubxml" />
     <None Include="Scripts\jquery-3.1.1.intellisense.js" />
     <Content Include="Scripts\jquery-3.1.1.js" />
diff --git a/BuildFeed/Controllers/frontController.cs b/BuildFeed/Controllers/frontController.cs
index 9d46b1e..c348c3b 100644
--- a/BuildFeed/Controllers/frontController.cs
+++ b/BuildFeed/Controllers/frontController.cs
@@ -474,14 +474,24 @@ public async Task<ActionResult> AddBulk(FormCollection values)
                             SourceType = TypeOfSource.PrivateLeak
                         };
 
-                        await _bModel.Insert(b);
+                        string buildString = b.GenerateFullBuildString();
+                        Build existing = await _bModel.SelectBuildByFullBuildString(buildString);
 
-                        if (notify)
+                        if (existing == null)
                         {
-                            osc.PushNewBuild(b, $"https://buildfeed.net{Url.Action(nameof(ViewBuild), new { id = b.Id })}?utm_source=notification&utm_campaign=new_build");
-                        }
+                            await _bModel.Insert(b);
 
-                        success.Add(b);
+                            if (notify)
+                            {
+                                osc.PushNewBuild(b, $"https://buildfeed.net{Url.Action(nameof(ViewBuild), new { id = b.Id })}?utm_source=notification&utm_campaign=new_build");
+                            }
+
+                            success.Add(b);
+                        }
+                        else
+                        {
+                            failed.Add(line);
+                        }
                     }
                     catch (Exception)
                     {