diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.Host/appsettings.json b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.Host/appsettings.json
index 2e0c5d044b..3ffc7c4c18 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.Host/appsettings.json
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.Host/appsettings.json
@@ -10,5 +10,16 @@
   },
   "AuthServer": {
     "Authority": "https://localhost:44301"
+  },
+  "Settings": {
+    "Abp.Mailing.Smtp.Host": "127.0.0.1",
+    "Abp.Mailing.Smtp.Port": "25",
+    "Abp.Mailing.Smtp.UserName": "",
+    "Abp.Mailing.Smtp.Password": "",
+    "Abp.Mailing.Smtp.Domain": "",
+    "Abp.Mailing.Smtp.EnableSsl": "false",
+    "Abp.Mailing.Smtp.UseDefaultCredentials": "true",
+    "Abp.Mailing.DefaultFromAddress": "noreply@abp.io",
+    "Abp.Mailing.DefaultFromDisplayName": "ABP application"
   }
 }
diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.HostWithIds/appsettings.json b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.HostWithIds/appsettings.json
index dd3055b873..2ac6a310cc 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.HostWithIds/appsettings.json
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.HostWithIds/appsettings.json
@@ -8,5 +8,16 @@
   },
   "AuthServer": {
     "Authority": "https://localhost:44305"
+  },
+  "Settings": {
+    "Abp.Mailing.Smtp.Host": "127.0.0.1",
+    "Abp.Mailing.Smtp.Port": "25",
+    "Abp.Mailing.Smtp.UserName": "",
+    "Abp.Mailing.Smtp.Password": "",
+    "Abp.Mailing.Smtp.Domain": "",
+    "Abp.Mailing.Smtp.EnableSsl": "false",
+    "Abp.Mailing.Smtp.UseDefaultCredentials": "true",
+    "Abp.Mailing.DefaultFromAddress": "noreply@abp.io",
+    "Abp.Mailing.DefaultFromDisplayName": "ABP application"
   }
 }
diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.IdentityServer/appsettings.json b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.IdentityServer/appsettings.json
index 6b650ad8c6..390efeb07d 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.IdentityServer/appsettings.json
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.IdentityServer/appsettings.json
@@ -8,5 +8,16 @@
   },
   "Redis": {
     "Configuration": "127.0.0.1"
+  },
+  "Settings": {
+    "Abp.Mailing.Smtp.Host": "127.0.0.1",
+    "Abp.Mailing.Smtp.Port": "25",
+    "Abp.Mailing.Smtp.UserName": "",
+    "Abp.Mailing.Smtp.Password": "",
+    "Abp.Mailing.Smtp.Domain": "",
+    "Abp.Mailing.Smtp.EnableSsl": "false",
+    "Abp.Mailing.Smtp.UseDefaultCredentials": "true",
+    "Abp.Mailing.DefaultFromAddress": "noreply@abp.io",
+    "Abp.Mailing.DefaultFromDisplayName": "ABP application"
   }
 }
diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Web.Host/appsettings.json b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Web.Host/appsettings.json
index e9330b776e..18e3e01313 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Web.Host/appsettings.json
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Web.Host/appsettings.json
@@ -14,5 +14,16 @@
     "Authority": "https://localhost:44301",
     "ClientId": "MyProjectName_Web",
     "ClientSecret": "1q2w3e*"
+  },
+  "Settings": {
+    "Abp.Mailing.Smtp.Host": "127.0.0.1",
+    "Abp.Mailing.Smtp.Port": "25",
+    "Abp.Mailing.Smtp.UserName": "",
+    "Abp.Mailing.Smtp.Password": "",
+    "Abp.Mailing.Smtp.Domain": "",
+    "Abp.Mailing.Smtp.EnableSsl": "false",
+    "Abp.Mailing.Smtp.UseDefaultCredentials": "true",
+    "Abp.Mailing.DefaultFromAddress": "noreply@abp.io",
+    "Abp.Mailing.DefaultFromDisplayName": "ABP application"
   }
 }
diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Web/appsettings.json b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Web/appsettings.json
index 03262e4a34..99a24b4a2d 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Web/appsettings.json
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Web/appsettings.json
@@ -14,5 +14,16 @@
         "ClientId": "MyProjectName_App"
       }
     }
+  },
+  "Settings": {
+    "Abp.Mailing.Smtp.Host": "127.0.0.1",
+    "Abp.Mailing.Smtp.Port": "25",
+    "Abp.Mailing.Smtp.UserName": "",
+    "Abp.Mailing.Smtp.Password": "",
+    "Abp.Mailing.Smtp.Domain": "",
+    "Abp.Mailing.Smtp.EnableSsl": "false",
+    "Abp.Mailing.Smtp.UseDefaultCredentials": "true",
+    "Abp.Mailing.DefaultFromAddress": "noreply@abp.io",
+    "Abp.Mailing.DefaultFromDisplayName": "ABP application"
   }
-}
\ No newline at end of file
+}