diff --git a/goofy-client/libs/command-shared/src/lib/command.model.ts b/goofy-client/libs/command-shared/src/lib/command.model.ts
index 9c0d79a98ee9792c6d137109d987ebcd90624e96..e12884e8ceca6e188c1354ef0e0d799a1a071ae8 100644
--- a/goofy-client/libs/command-shared/src/lib/command.model.ts
+++ b/goofy-client/libs/command-shared/src/lib/command.model.ts
@@ -21,5 +21,6 @@ export interface CommandListResource extends ListResource { }
 export enum CommandStatus {
 	FINISHED = 'FINISHED',
 	PENDING = 'PENDING',
-	REVOKED = 'REVOKED'
-}
\ No newline at end of file
+	REVOKED = 'REVOKED',
+	ERROR = 'ERROR'
+}
diff --git a/goofy-client/libs/postfach-shared/src/lib/postfach.model.ts b/goofy-client/libs/postfach-shared/src/lib/postfach.model.ts
index d341ce0ff9cc3c47c4c25d68d7c6229f526c6760..36cd7c90bb7be6a6597dced8df79334a2a8ec747 100644
--- a/goofy-client/libs/postfach-shared/src/lib/postfach.model.ts
+++ b/goofy-client/libs/postfach-shared/src/lib/postfach.model.ts
@@ -9,7 +9,7 @@ export interface PostfachMail {
 	mailBody: string;
 	replyOption: ReplyOption;
 	sentAt: Date;
-	sentSuccessful: Boolean;
+	sentSuccessful: boolean;
 }
 
 export enum Direction {
@@ -33,4 +33,4 @@ export interface CreateSendPostfachMailCommand extends CreateCommand {
 
 export interface PostfachMailResource extends Resource, PostfachMail { }
 
-export interface PostfachMailListResource extends ListResource { }
\ No newline at end of file
+export interface PostfachMailListResource extends ListResource { }
diff --git a/goofy-client/libs/ui/src/lib/snackbar/snackbar.service.spec.ts b/goofy-client/libs/ui/src/lib/snackbar/snackbar.service.spec.ts
index 3cfb6363e10a3fd421a19709819184853402fb25..92d594c654f3e009a2cbf9beb9246f32431ade65 100644
--- a/goofy-client/libs/ui/src/lib/snackbar/snackbar.service.spec.ts
+++ b/goofy-client/libs/ui/src/lib/snackbar/snackbar.service.spec.ts
@@ -1,5 +1,5 @@
 import { MatSnackBar } from '@angular/material/snack-bar';
-import { CommandResource } from '@goofy-client/command-shared';
+import { CommandResource, CommandStatus } from '@goofy-client/command-shared';
 import { Mock, mock, useFromMock } from '@goofy-client/test-utils';
 import * as faker from 'faker';
 import { createCommandResource } from 'libs/command-shared/test/command';
@@ -50,6 +50,15 @@ describe('SnackBarService', () => {
 
 			expect(service.listenOnAfterDismissed).toHaveBeenCalled();
 		})
+
+		it('should open error snackbar when status is ERROR', () => {
+			const commandWithError = { ...commandResource, status: CommandStatus.ERROR}
+			service.show(commandWithError, message, null);
+
+			expect(snackBar.openFromComponent).toHaveBeenCalledWith(SnackbarErrorComponent, {
+				data: { message }, duration: 10000
+			});
+		});
 	})
 
 	describe('show error', () => {
diff --git a/goofy-client/libs/ui/src/lib/snackbar/snackbar.service.ts b/goofy-client/libs/ui/src/lib/snackbar/snackbar.service.ts
index 18877bb2dcb64bd8f66d1f7c41c475e46fdff6d1..f77658c1042100035e9a91c00652d0b15ea91fef 100644
--- a/goofy-client/libs/ui/src/lib/snackbar/snackbar.service.ts
+++ b/goofy-client/libs/ui/src/lib/snackbar/snackbar.service.ts
@@ -1,6 +1,6 @@
 import { Injectable } from '@angular/core';
 import { MatSnackBar, MatSnackBarRef } from '@angular/material/snack-bar';
-import { CommandResource } from '@goofy-client/command-shared';
+import { CommandResource, CommandStatus } from '@goofy-client/command-shared';
 import { isNil } from 'lodash-es';
 import { Subscription } from 'rxjs';
 import { SnackbarErrorComponent } from './snackbar-error/snackbar-error.component';
@@ -16,7 +16,11 @@ export class SnackBarService {
 	constructor(private snackBar: MatSnackBar) { }
 
 	public show(commandResource: CommandResource, message: string, revokeAction?: () => void): void {
-		this.snackBarRef = this.snackBar.openFromComponent(SnackbarComponent, { data: { message, commandResource }, duration: this.durationTime });
+		if (commandResource.status === CommandStatus.ERROR) {
+			this.showError(message);
+		} else {
+			this.snackBarRef = this.snackBar.openFromComponent(SnackbarComponent, { data: { message, commandResource }, duration: this.durationTime });
+		}
 		this.listenToActions(revokeAction);
 	}