diff --git a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-nachricht/vorgang-detail-bescheiden-result-nachricht.component.spec.ts b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-nachricht/vorgang-detail-bescheiden-result-nachricht.component.spec.ts
index 7a892cb44c19c0b3826281b874991630930ff336..893c337ba18e0c86c6454628e475431305b092ba 100644
--- a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-nachricht/vorgang-detail-bescheiden-result-nachricht.component.spec.ts
+++ b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-nachricht/vorgang-detail-bescheiden-result-nachricht.component.spec.ts
@@ -128,5 +128,14 @@ describe('VorgangDetailBescheidenResultNachrichtComponent', () => {
 
       expect(formService.patchNachricht).not.toHaveBeenCalled();
     });
+
+    it.each([null, undefined])(
+      'should not patch form if document resource is %s',
+      (resource: DocumentResource) => {
+        component.bescheidDocumentStateResource = createStateResource(resource);
+
+        expect(formService.patchNachricht).not.toHaveBeenCalled();
+      },
+    );
   });
 });
diff --git a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-nachricht/vorgang-detail-bescheiden-result-nachricht.component.ts b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-nachricht/vorgang-detail-bescheiden-result-nachricht.component.ts
index fffb51e8555034313271c3d39bff2830defe8119..9dd0fca6fb796f1d47f773d147fdd54954ae1756 100644
--- a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-nachricht/vorgang-detail-bescheiden-result-nachricht.component.ts
+++ b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-nachricht/vorgang-detail-bescheiden-result-nachricht.component.ts
@@ -1,5 +1,5 @@
 import { BescheidService, DocumentResource } from '@alfa-client/bescheid-shared';
-import { StateResource } from '@alfa-client/tech-shared';
+import { StateResource, isNotNil } from '@alfa-client/tech-shared';
 import { Component, Input, OnInit } from '@angular/core';
 import { FormGroup } from '@angular/forms';
 import { Observable } from 'rxjs';
@@ -11,7 +11,7 @@ import { BescheidenFormService } from '../../bescheiden.formservice';
 })
 export class VorgangDetailBescheidenResultNachrichtComponent implements OnInit {
   @Input() set bescheidDocumentStateResource(stateResource: StateResource<DocumentResource>) {
-    if (!stateResource.loading && !stateResource.error) {
+    if (!stateResource.loading && !stateResource.error && isNotNil(stateResource.resource)) {
       this.formService.patchNachricht(stateResource.resource);
     }
   }
diff --git a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden.component.spec.ts b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden.component.spec.ts
index 46dd5111642b4781159e42e073f20a13214807e2..c82b596f3669350ebd42f569cae44749fa9c92f8 100644
--- a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden.component.spec.ts
+++ b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden.component.spec.ts
@@ -1,4 +1,5 @@
 import { BescheidResource, BescheidService } from '@alfa-client/bescheid-shared';
+import { PostfachService } from '@alfa-client/postfach-shared';
 import { Mock, dispatchEventFromFixture, mock, useFromMock } from '@alfa-client/test-utils';
 import { VorgangService, VorgangWithEingangResource } from '@alfa-client/vorgang-shared';
 import { DIALOG_DATA, DialogRef } from '@angular/cdk/dialog';
@@ -23,6 +24,7 @@ describe('VorgangDetailBescheidenComponent', () => {
   let vorgangService: Mock<VorgangService>;
   let formService: BescheidenFormService;
   let dialogRef: Mock<DialogRef>;
+  let postfachService: Mock<PostfachService>;
 
   let vorgangWithEingangResource: VorgangWithEingangResource;
   let bescheidDraftResource: BescheidResource;
@@ -34,6 +36,7 @@ describe('VorgangDetailBescheidenComponent', () => {
     vorgangService = mock(VorgangService);
     formService = new BescheidenFormService(new UntypedFormBuilder(), useFromMock(bescheidService));
     dialogRef = mock(DialogRef);
+    postfachService = mock(PostfachService);
 
     vorgangWithEingangResource = createVorgangWithEingangResource();
     bescheidDraftResource = createBescheidResource();
@@ -73,6 +76,10 @@ describe('VorgangDetailBescheidenComponent', () => {
           provide: DIALOG_DATA,
           useValue: { vorgangWithEingangResource, bescheidDraftResource },
         },
+        {
+          provide: PostfachService,
+          useValue: postfachService,
+        },
       ],
       imports: [ReactiveFormsModule],
     }).compileComponents();
@@ -116,6 +123,12 @@ describe('VorgangDetailBescheidenComponent', () => {
 
       expect(vorgangService.reloadCurrentVorgang).toHaveBeenCalled();
     });
+
+    it('should reload postfach mail list', () => {
+      component.onClose();
+
+      expect(postfachService.setPostfachMailOnReload).toHaveBeenCalled();
+    });
   });
 
   describe('close dialog on bescheiden result', () => {
diff --git a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden.component.ts b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden.component.ts
index 9223a68d605e8575a1d48b764a6e839280c7152f..c3a880423edbb95b2b2153db66b3202ae9dd7bad 100644
--- a/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden.component.ts
+++ b/alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden.component.ts
@@ -1,4 +1,5 @@
 import { BescheidResource } from '@alfa-client/bescheid-shared';
+import { PostfachService } from '@alfa-client/postfach-shared';
 import { VorgangService } from '@alfa-client/vorgang-shared';
 import { DIALOG_DATA, DialogRef } from '@angular/cdk/dialog';
 import { Component, Inject, OnInit } from '@angular/core';
@@ -17,8 +18,9 @@ export class VorgangDetailBescheidenComponent implements OnInit {
 
   constructor(
     public dialogRef: DialogRef,
-    public formService: BescheidenFormService,
-    private vorgangService: VorgangService,
+    public readonly formService: BescheidenFormService,
+    private readonly vorgangService: VorgangService,
+    private readonly postfachService: PostfachService,
     @Inject(DIALOG_DATA) private readonly dialogData: BescheidenDialogData,
   ) {
     this.bescheidDraftResource = dialogData.bescheidDraftResource;
@@ -32,5 +34,6 @@ export class VorgangDetailBescheidenComponent implements OnInit {
   public onClose(): void {
     this.dialogRef.close();
     this.vorgangService.reloadCurrentVorgang();
+    this.postfachService.setPostfachMailOnReload();
   }
 }