diff --git a/greataped/components/api/handlers/factory.go b/greataped/components/api/handlers/factory.go
index e89dfc3..88cad5c 100644
--- a/greataped/components/api/handlers/factory.go
+++ b/greataped/components/api/handlers/factory.go
@@ -21,6 +21,7 @@ func (factory *httpHandlerFactory) Handlers() []IHttpHandler {
 		GetFollowingHandler(),         // │ G . /u/:username/following
 		PostToOutboxHandler(),         // │ P . /u/:username/outbox
 		GetOutboxHandler(),            // │ G . /u/:username/outbox
+		PostToInboxHandler(),          // │ P . /u/:username/inbox
 	}
 }
 
diff --git a/greataped/components/api/handlers/post_to_inbox_handler.go b/greataped/components/api/handlers/post_to_inbox_handler.go
new file mode 100644
index 0000000..6b3045c
--- /dev/null
+++ b/greataped/components/api/handlers/post_to_inbox_handler.go
@@ -0,0 +1,45 @@
+package handlers
+
+import (
+	"net/http"
+
+	. "github.com/xeronith/diamante/contracts/network/http"
+	pipeline "github.com/xeronith/diamante/network/http"
+	. "rail.town/infrastructure/components/api/protobuf"
+	. "rail.town/infrastructure/components/contracts"
+)
+
+type postToInboxHandler struct {
+}
+
+func PostToInboxHandler() IHttpHandler {
+	return &postToInboxHandler{}
+}
+
+func (handler *postToInboxHandler) Method() string {
+	return http.MethodPost
+}
+
+func (handler *postToInboxHandler) Path() string {
+	return "/u/:username/inbox"
+}
+
+func (handler *postToInboxHandler) HandlerFunc() HttpHandlerFunc {
+	return func(x IServerDispatcher) error {
+		request := &PostToInboxRequest{}
+		result := &PostToInboxResult{}
+
+		onRequestUnmarshalled := func(request *PostToInboxRequest) {
+			request.Username = x.Param("username")
+		}
+
+		return pipeline.Handle(x,
+			"post_to_inbox",
+			POST_TO_INBOX_REQUEST,
+			POST_TO_INBOX_RESULT,
+			request, result,
+			onRequestUnmarshalled,
+			false,
+		)
+	}
+}
diff --git a/greataped/components/api/operations/factory.go b/greataped/components/api/operations/factory.go
index 2863705..4b3beaa 100644
--- a/greataped/components/api/operations/factory.go
+++ b/greataped/components/api/operations/factory.go
@@ -22,6 +22,7 @@ func (factory *operationFactory) Operations() []IOperation {
 		GetFollowingOperation(),
 		PostToOutboxOperation(),
 		GetOutboxOperation(),
+		PostToInboxOperation(),
 	}
 }
 
diff --git a/greataped/components/api/operations/post_to_inbox_operation.go b/greataped/components/api/operations/post_to_inbox_operation.go
new file mode 100644
index 0000000..b054ff7
--- /dev/null
+++ b/greataped/components/api/operations/post_to_inbox_operation.go
@@ -0,0 +1,51 @@
+package operations
+
+import (
+	. "github.com/xeronith/diamante/contracts/operation"
+	. "github.com/xeronith/diamante/contracts/service"
+	. "github.com/xeronith/diamante/contracts/system"
+	. "github.com/xeronith/diamante/operation"
+	. "rail.town/infrastructure/components/api/protobuf"
+	. "rail.town/infrastructure/components/api/services"
+	. "rail.town/infrastructure/components/contracts"
+)
+
+type postToInboxOperation struct {
+	Operation
+
+	run func(IContext, *PostToInboxRequest) (*PostToInboxResult, error)
+}
+
+func PostToInboxOperation() IOperation {
+	return &postToInboxOperation{
+		run: PostToInboxService,
+	}
+}
+
+func (operation *postToInboxOperation) Id() (ID, ID) {
+	return POST_TO_INBOX_REQUEST, POST_TO_INBOX_RESULT
+}
+
+func (operation *postToInboxOperation) InputContainer() Pointer {
+	return new(PostToInboxRequest)
+}
+
+func (operation *postToInboxOperation) OutputContainer() Pointer {
+	return new(PostToInboxResult)
+}
+
+func (operation *postToInboxOperation) Execute(context IContext, payload Pointer) (Pointer, error) {
+	return operation.run(context, payload.(*PostToInboxRequest))
+}
+
+/*
+func (operation *postToInboxOperation) ExecutionTimeLimits() (Duration, Duration, Duration) {
+	var (
+		TIME_LIMIT_WARNING  Duration = 20_000_000
+		TIME_LIMIT_ALERT    Duration = 35_000_000
+		TIME_LIMIT_CRITICAL Duration = 50_000_000
+	)
+
+	return TIME_LIMIT_WARNING, TIME_LIMIT_ALERT, TIME_LIMIT_CRITICAL
+}
+*/
diff --git a/greataped/components/api/protobuf/spis.pb.go b/greataped/components/api/protobuf/spis.pb.go
index e5467f3..d27e6fd 100644
--- a/greataped/components/api/protobuf/spis.pb.go
+++ b/greataped/components/api/protobuf/spis.pb.go
@@ -1983,6 +1983,93 @@ func (x *GetOutboxResult) GetFirst() string {
 	return ""
 }
 
+// API: PostToInbox
+// -----------------------------------------------------------
+type PostToInboxRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Username string `protobuf:"bytes,1,opt,name=username,proto3" json:"username,omitempty"`
+}
+
+func (x *PostToInboxRequest) Reset() {
+	*x = PostToInboxRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_spis_proto_msgTypes[32]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PostToInboxRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PostToInboxRequest) ProtoMessage() {}
+
+func (x *PostToInboxRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_spis_proto_msgTypes[32]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PostToInboxRequest.ProtoReflect.Descriptor instead.
+func (*PostToInboxRequest) Descriptor() ([]byte, []int) {
+	return file_spis_proto_rawDescGZIP(), []int{32}
+}
+
+func (x *PostToInboxRequest) GetUsername() string {
+	if x != nil {
+		return x.Username
+	}
+	return ""
+}
+
+type PostToInboxResult struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *PostToInboxResult) Reset() {
+	*x = PostToInboxResult{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_spis_proto_msgTypes[33]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PostToInboxResult) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PostToInboxResult) ProtoMessage() {}
+
+func (x *PostToInboxResult) ProtoReflect() protoreflect.Message {
+	mi := &file_spis_proto_msgTypes[33]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PostToInboxResult.ProtoReflect.Descriptor instead.
+func (*PostToInboxResult) Descriptor() ([]byte, []int) {
+	return file_spis_proto_rawDescGZIP(), []int{33}
+}
+
 var File_spis_proto protoreflect.FileDescriptor
 
 var file_spis_proto_rawDesc = []byte{
@@ -2178,8 +2265,12 @@ var file_spis_proto_rawDesc = []byte{
 	0x75, 0x66, 0x2e, 0x41, 0x63, 0x74, 0x69, 0x76, 0x69, 0x74, 0x79, 0x50, 0x75, 0x62, 0x41, 0x63,
 	0x74, 0x69, 0x76, 0x69, 0x74, 0x79, 0x52, 0x0c, 0x6f, 0x72, 0x64, 0x65, 0x72, 0x65, 0x64, 0x49,
 	0x74, 0x65, 0x6d, 0x73, 0x12, 0x14, 0x0a, 0x05, 0x66, 0x69, 0x72, 0x73, 0x74, 0x18, 0x06, 0x20,
-	0x01, 0x28, 0x09, 0x52, 0x05, 0x66, 0x69, 0x72, 0x73, 0x74, 0x42, 0x04, 0x5a, 0x02, 0x2e, 0x2f,
-	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x01, 0x28, 0x09, 0x52, 0x05, 0x66, 0x69, 0x72, 0x73, 0x74, 0x22, 0x30, 0x0a, 0x12, 0x50, 0x6f,
+	0x73, 0x74, 0x54, 0x6f, 0x49, 0x6e, 0x62, 0x6f, 0x78, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74,
+	0x12, 0x1a, 0x0a, 0x08, 0x75, 0x73, 0x65, 0x72, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01,
+	0x28, 0x09, 0x52, 0x08, 0x75, 0x73, 0x65, 0x72, 0x6e, 0x61, 0x6d, 0x65, 0x22, 0x13, 0x0a, 0x11,
+	0x50, 0x6f, 0x73, 0x74, 0x54, 0x6f, 0x49, 0x6e, 0x62, 0x6f, 0x78, 0x52, 0x65, 0x73, 0x75, 0x6c,
+	0x74, 0x42, 0x04, 0x5a, 0x02, 0x2e, 0x2f, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -2194,7 +2285,7 @@ func file_spis_proto_rawDescGZIP() []byte {
 	return file_spis_proto_rawDescData
 }
 
-var file_spis_proto_msgTypes = make([]protoimpl.MessageInfo, 32)
+var file_spis_proto_msgTypes = make([]protoimpl.MessageInfo, 34)
 var file_spis_proto_goTypes = []interface{}{
 	(*SystemCallRequest)(nil),           // 0: protobuf.SystemCallRequest
 	(*SystemCallResult)(nil),            // 1: protobuf.SystemCallResult
@@ -2228,20 +2319,22 @@ var file_spis_proto_goTypes = []interface{}{
 	(*PostToOutboxResult)(nil),          // 29: protobuf.PostToOutboxResult
 	(*GetOutboxRequest)(nil),            // 30: protobuf.GetOutboxRequest
 	(*GetOutboxResult)(nil),             // 31: protobuf.GetOutboxResult
-	(*Document)(nil),                    // 32: protobuf.Document
-	(*ActivityPubLink)(nil),             // 33: protobuf.ActivityPubLink
-	(*ActivityPubMedia)(nil),            // 34: protobuf.ActivityPubMedia
-	(*ActivityPubPublicKey)(nil),        // 35: protobuf.ActivityPubPublicKey
-	(*ActivityPubActivity)(nil),         // 36: protobuf.ActivityPubActivity
+	(*PostToInboxRequest)(nil),          // 32: protobuf.PostToInboxRequest
+	(*PostToInboxResult)(nil),           // 33: protobuf.PostToInboxResult
+	(*Document)(nil),                    // 34: protobuf.Document
+	(*ActivityPubLink)(nil),             // 35: protobuf.ActivityPubLink
+	(*ActivityPubMedia)(nil),            // 36: protobuf.ActivityPubMedia
+	(*ActivityPubPublicKey)(nil),        // 37: protobuf.ActivityPubPublicKey
+	(*ActivityPubActivity)(nil),         // 38: protobuf.ActivityPubActivity
 }
 var file_spis_proto_depIdxs = []int32{
-	32, // 0: protobuf.EchoRequest.document:type_name -> protobuf.Document
-	32, // 1: protobuf.EchoResult.document:type_name -> protobuf.Document
-	33, // 2: protobuf.WebfingerResult.links:type_name -> protobuf.ActivityPubLink
-	34, // 3: protobuf.GetActorResult.icon:type_name -> protobuf.ActivityPubMedia
-	34, // 4: protobuf.GetActorResult.image:type_name -> protobuf.ActivityPubMedia
-	35, // 5: protobuf.GetActorResult.publicKey:type_name -> protobuf.ActivityPubPublicKey
-	36, // 6: protobuf.GetOutboxResult.orderedItems:type_name -> protobuf.ActivityPubActivity
+	34, // 0: protobuf.EchoRequest.document:type_name -> protobuf.Document
+	34, // 1: protobuf.EchoResult.document:type_name -> protobuf.Document
+	35, // 2: protobuf.WebfingerResult.links:type_name -> protobuf.ActivityPubLink
+	36, // 3: protobuf.GetActorResult.icon:type_name -> protobuf.ActivityPubMedia
+	36, // 4: protobuf.GetActorResult.image:type_name -> protobuf.ActivityPubMedia
+	37, // 5: protobuf.GetActorResult.publicKey:type_name -> protobuf.ActivityPubPublicKey
+	38, // 6: protobuf.GetOutboxResult.orderedItems:type_name -> protobuf.ActivityPubActivity
 	7,  // [7:7] is the sub-list for method output_type
 	7,  // [7:7] is the sub-list for method input_type
 	7,  // [7:7] is the sub-list for extension type_name
@@ -2640,6 +2733,30 @@ func file_spis_proto_init() {
 				return nil
 			}
 		}
+		file_spis_proto_msgTypes[32].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*PostToInboxRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_spis_proto_msgTypes[33].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*PostToInboxResult); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -2647,7 +2764,7 @@ func file_spis_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_spis_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   32,
+			NumMessages:   34,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/greataped/components/api/protobuf/spis.proto b/greataped/components/api/protobuf/spis.proto
index 265ea26..169b5d9 100644
--- a/greataped/components/api/protobuf/spis.proto
+++ b/greataped/components/api/protobuf/spis.proto
@@ -220,4 +220,13 @@ message GetOutboxResult {
     string first = 0x00000006;
 }
 
+// API: PostToInbox
+//-----------------------------------------------------------
+message PostToInboxRequest {
+    string username = 0x00000001;
+}
+
+message PostToInboxResult {
+}
+
 //-----------------------------------------------------------
diff --git a/greataped/components/api/services/post_to_inbox_service.go b/greataped/components/api/services/post_to_inbox_service.go
new file mode 100644
index 0000000..5dcc999
--- /dev/null
+++ b/greataped/components/api/services/post_to_inbox_service.go
@@ -0,0 +1,28 @@
+package services
+
+import (
+	. "github.com/xeronith/diamante/contracts/service"
+	. "rail.town/infrastructure/components/api/protobuf"
+	. "rail.town/infrastructure/components/contracts"
+	"rail.town/infrastructure/components/core"
+)
+
+// noinspection GoUnusedParameter
+func PostToInboxService(context IContext, input *PostToInboxRequest) (result *PostToInboxResult, err error) {
+	conductor := core.Conductor
+	_ = POST_TO_INBOX_REQUEST
+
+	conductor.LogRemoteCall(context, INITIALIZE, "post_to_inbox", input, result, err)
+	defer func() { conductor.LogRemoteCall(context, FINALIZE, "post_to_inbox", input, result, err) }()
+
+	_result, _err := conductor.PostToInbox(input.Username, context.Identity())
+	if _err != nil {
+		err = _err
+		return nil, err
+	}
+
+	_ = _result
+
+	result = context.ResultContainer().(*PostToInboxResult)
+	return result, nil
+}
diff --git a/greataped/components/contracts/api.go b/greataped/components/contracts/api.go
index 81ed13e..5391eef 100644
--- a/greataped/components/contracts/api.go
+++ b/greataped/components/contracts/api.go
@@ -22,4 +22,5 @@ type IApi interface {
 	GetFollowing(*GetFollowingRequest) (*GetFollowingResult, error)
 	PostToOutbox(*PostToOutboxRequest) (*PostToOutboxResult, error)
 	GetOutbox(*GetOutboxRequest) (*GetOutboxResult, error)
+	PostToInbox(*PostToInboxRequest) (*PostToInboxResult, error)
 }
diff --git a/greataped/components/contracts/opcodes.go b/greataped/components/contracts/opcodes.go
index 6001ed2..7ad396c 100644
--- a/greataped/components/contracts/opcodes.go
+++ b/greataped/components/contracts/opcodes.go
@@ -67,6 +67,10 @@ const (
 	//GetOutboxOperation
 	GET_OUTBOX_REQUEST = 0x527B6997
 	GET_OUTBOX_RESULT  = 0xF94E37A0
+
+	//PostToInboxOperation
+	POST_TO_INBOX_REQUEST = 0x7400C331
+	POST_TO_INBOX_RESULT  = 0x5BD43D90
 )
 
 var OPCODES = Opcodes{
@@ -101,4 +105,6 @@ var OPCODES = Opcodes{
 	0xC6C56614: "PostToOutbox",
 	0x527B6997: "GET_OUTBOX",
 	0xF94E37A0: "GetOutbox",
+	0x7400C331: "POST_TO_INBOX",
+	0x5BD43D90: "PostToInbox",
 }
diff --git a/greataped/components/contracts/spi.go b/greataped/components/contracts/spi.go
index ce0f960..8649289 100644
--- a/greataped/components/contracts/spi.go
+++ b/greataped/components/contracts/spi.go
@@ -69,6 +69,7 @@ type (
 		GetFollowing(username string, editor Identity) (IGetFollowingResult, error)
 		PostToOutbox(username string, context string, activityType string, to string, attributedTo string, inReplyTo string, content string, editor Identity) (IPostToOutboxResult, error)
 		GetOutbox(username string, editor Identity) (IGetOutboxResult, error)
+		PostToInbox(username string, editor Identity) (IPostToInboxResult, error)
 	}
 
 	IEchoResult interface {
@@ -171,4 +172,7 @@ type (
 		OrderedItems() []IActivityPubActivity
 		First() string
 	}
+
+	IPostToInboxResult interface {
+	}
 )
diff --git a/greataped/components/contracts/system_component.go b/greataped/components/contracts/system_component.go
index d030eb8..dfe5541 100644
--- a/greataped/components/contracts/system_component.go
+++ b/greataped/components/contracts/system_component.go
@@ -272,6 +272,7 @@ type (
 		GetFollowing(username string, editor Identity) (IGetFollowingResult, error)
 		PostToOutbox(username string, context string, activityType string, to string, attributedTo string, inReplyTo string, content string, editor Identity) (IPostToOutboxResult, error)
 		GetOutbox(username string, editor Identity) (IGetOutboxResult, error)
+		PostToInbox(username string, editor Identity) (IPostToInboxResult, error)
 
 		NewDocument(id int64, content string) (IDocument, error)
 		NewSystemSchedule(id int64, enabled bool, config string) (ISystemSchedule, error)
@@ -305,6 +306,7 @@ type (
 		NewGetFollowingResult(context string, id string, type_ string, totalItems int32, orderedItems []string, first string, ignored interface{}) IGetFollowingResult
 		NewPostToOutboxResult(ignored interface{}) IPostToOutboxResult
 		NewGetOutboxResult(context string, id string, type_ string, totalItems int32, orderedItems []IActivityPubActivity, first string, ignored interface{}) IGetOutboxResult
+		NewPostToInboxResult(ignored interface{}) IPostToInboxResult
 	}
 
 	ISystemComponent interface {
diff --git a/greataped/components/contracts/system_dispatcher.go b/greataped/components/contracts/system_dispatcher.go
index 932590d..5c6ca2d 100644
--- a/greataped/components/contracts/system_dispatcher.go
+++ b/greataped/components/contracts/system_dispatcher.go
@@ -1046,6 +1046,7 @@ type IDispatcher interface {
 	GetFollowing(username string) (IGetFollowingResult, error)
 	PostToOutbox(username string, context string, activityType string, to string, attributedTo string, inReplyTo string, content string) (IPostToOutboxResult, error)
 	GetOutbox(username string) (IGetOutboxResult, error)
+	PostToInbox(username string) (IPostToInboxResult, error)
 
 	// NewDocument creates a new 'Document' instance using the provided property values.
 	NewDocument(id int64, content string) (IDocument, error)
@@ -1145,6 +1146,8 @@ type IDispatcher interface {
 	NewPostToOutboxResult() IPostToOutboxResult
 	// NewGetOutboxResult creates a new result container for 'Get Outbox' system action.
 	NewGetOutboxResult(context string, id string, type_ string, totalItems int32, orderedItems []IActivityPubActivity, first string) IGetOutboxResult
+	// NewPostToInboxResult creates a new result container for 'Post To Inbox' system action.
+	NewPostToInboxResult() IPostToInboxResult
 	// Assert asserts the provided condition and panics if the assertion is not valid.
 	Assert(condition bool) IAssertionResult
 	// AssertNoError panics if the provided error is not nil.
diff --git a/greataped/components/core/api_methods.go b/greataped/components/core/api_methods.go
index 0cc0fd0..0a398a3 100644
--- a/greataped/components/core/api_methods.go
+++ b/greataped/components/core/api_methods.go
@@ -165,6 +165,16 @@ func (api *api) GetOutbox(request *GetOutboxRequest) (*GetOutboxResult, error) {
 	}
 }
 
+func (api *api) PostToInbox(request *PostToInboxRequest) (*PostToInboxResult, error) {
+	result, err := api.call(POST_TO_INBOX_REQUEST, request)
+
+	if err != nil {
+		return nil, err
+	} else {
+		return result.(*PostToInboxResult), nil
+	}
+}
+
 func init() {
 	API_RESULT[SYSTEM_CALL_RESULT] = SystemCallResult{}
 	API_RESULT[ECHO_RESULT] = EchoResult{}
@@ -182,4 +192,5 @@ func init() {
 	API_RESULT[GET_FOLLOWING_RESULT] = GetFollowingResult{}
 	API_RESULT[POST_TO_OUTBOX_RESULT] = PostToOutboxResult{}
 	API_RESULT[GET_OUTBOX_RESULT] = GetOutboxResult{}
+	API_RESULT[POST_TO_INBOX_RESULT] = PostToInboxResult{}
 }
diff --git a/greataped/components/core/initializer.go b/greataped/components/core/initializer.go
index 79095a6..c3ce881 100644
--- a/greataped/components/core/initializer.go
+++ b/greataped/components/core/initializer.go
@@ -1155,6 +1155,10 @@ func (conductor *conductor) GetOutbox(username string, editor Identity) (IGetOut
 	return conductor.spiManager.GetOutbox(username, editor)
 }
 
+func (conductor *conductor) PostToInbox(username string, editor Identity) (IPostToInboxResult, error) {
+	return conductor.spiManager.PostToInbox(username, editor)
+}
+
 func (conductor *conductor) NewDocument(id int64, content string) (IDocument, error) {
 	return NewDocument(id, content)
 }
@@ -1283,6 +1287,10 @@ func (conductor *conductor) NewGetOutboxResult(context string, id string, type_
 	return NewGetOutboxResult(context, id, type_, totalItems, orderedItems, first, nil)
 }
 
+func (conductor *conductor) NewPostToInboxResult(_ interface{}) IPostToInboxResult {
+	return NewPostToInboxResult(nil)
+}
+
 func (conductor *conductor) LogRemoteCall(context IContext, eventType uint32, source string, input, result interface{}, err error) {
 	errorMessage := ""
 	if err != nil {
diff --git a/greataped/components/core/spi.go b/greataped/components/core/spi.go
index 04304c3..cc11ff8 100644
--- a/greataped/components/core/spi.go
+++ b/greataped/components/core/spi.go
@@ -294,3 +294,7 @@ func (dispatcher *dispatcher) PostToOutbox(username string, context string, acti
 func (dispatcher *dispatcher) GetOutbox(username string) (IGetOutboxResult, error) {
 	return dispatcher.conductor.SpiManager().GetOutbox(username, dispatcher.identity)
 }
+
+func (dispatcher *dispatcher) PostToInbox(username string) (IPostToInboxResult, error) {
+	return dispatcher.conductor.SpiManager().PostToInbox(username, dispatcher.identity)
+}
diff --git a/greataped/components/core/spi_manager.go b/greataped/components/core/spi_manager.go
index a7e4e53..74935c6 100644
--- a/greataped/components/core/spi_manager.go
+++ b/greataped/components/core/spi_manager.go
@@ -1002,3 +1002,31 @@ func (manager *spiManager) GetOutbox(username string, editor Identity) (result I
 		return result, nil
 	}
 }
+
+//region IPostToInboxResult Implementation
+
+type postToInboxResult struct {
+}
+
+func NewPostToInboxResult(_ interface{}) IPostToInboxResult {
+	return &postToInboxResult{}
+}
+
+//endregion
+
+func (manager *spiManager) PostToInbox(username string, editor Identity) (result IPostToInboxResult, err error) {
+	defer func() {
+		if reason := recover(); reason != nil {
+			err = manager.Error(reason)
+		}
+	}()
+
+	editor.Lock(POST_TO_INBOX_REQUEST)
+	defer editor.Unlock(POST_TO_INBOX_REQUEST)
+
+	if result, err = commands.PostToInbox(NewDispatcher(Conductor, editor), username); err != nil {
+		return nil, err
+	} else {
+		return result, nil
+	}
+}
diff --git a/greataped/components/core/system_results.go b/greataped/components/core/system_results.go
index 821841a..dbe0ed9 100644
--- a/greataped/components/core/system_results.go
+++ b/greataped/components/core/system_results.go
@@ -64,4 +64,8 @@ func (dispatcher *dispatcher) NewGetOutboxResult(context string, id string, type
 	return NewGetOutboxResult(context, id, type_, totalItems, orderedItems, first, nil)
 }
 
+func (dispatcher *dispatcher) NewPostToInboxResult() IPostToInboxResult {
+	return NewPostToInboxResult(nil)
+}
+
 //endregion