diff --git a/src/main/java/de/ozgcloud/nachrichten/postfach/osiv2/config/Osi2PostfachProperties.java b/src/main/java/de/ozgcloud/nachrichten/postfach/osiv2/config/Osi2PostfachProperties.java
index 6d4bb53ccd296a1d687bb7701480eebfdeaf63da..81ef4623dcd53c1d2ab13b03c5b233bd79de5386 100644
--- a/src/main/java/de/ozgcloud/nachrichten/postfach/osiv2/config/Osi2PostfachProperties.java
+++ b/src/main/java/de/ozgcloud/nachrichten/postfach/osiv2/config/Osi2PostfachProperties.java
@@ -17,7 +17,7 @@ import lombok.Setter;
 @RequiredArgsConstructor
 public class Osi2PostfachProperties {
 
-	static final String PREFIX = "ozgcloud.osiv2";
+	public static final String PREFIX = "ozgcloud.osiv2";
 
 	private boolean enabled;
 
@@ -30,7 +30,7 @@ public class Osi2PostfachProperties {
 	@Configuration
 	@ConfigurationProperties(prefix = ApiConfiguration.PREFIX)
 	public static class ApiConfiguration {
-		static final String PREFIX = Osi2PostfachProperties.PREFIX + ".api";
+		public static final String PREFIX = Osi2PostfachProperties.PREFIX + ".api";
 
 		private String resource;
 		private String url;
@@ -47,7 +47,7 @@ public class Osi2PostfachProperties {
 	@Configuration
 	@ConfigurationProperties(prefix = ProxyConfiguration.PREFIX)
 	public static class ProxyConfiguration {
-		static final String PREFIX = Osi2PostfachProperties.PREFIX + ".proxy";
+		public static final String PREFIX = Osi2PostfachProperties.PREFIX + ".proxy";
 
 		private boolean enabled;
 
diff --git a/src/main/resources/application-stage.yml b/src/main/resources/application-stage.yml
index 6892480bd6613072000a2bd939e6a72845bd109b..c2804acf5bd4bec3a1e037f7cf334c73b2905050 100644
--- a/src/main/resources/application-stage.yml
+++ b/src/main/resources/application-stage.yml
@@ -13,14 +13,14 @@ spring:
           osi2:
             token-uri: 'https://idp.serviceportal-stage.schleswig-holstein.de/webidp2/connect/token'
 ozgcloud:
-  osiv2-postfach:
+  osiv2:
     enabled: false
     api:
       resource: 'urn:dataport:osi:postfach:rz2:stage:sh'
       url: 'https://api-gateway-stage.dataport.de:443/api/osi_postfach/1.0.0'
       tenant: 'SH'
       name-identifier: 'ozgkopfstelle'
-    http-proxy:
+    proxy:
       enabled: true
       host: 127.0.0.1
       port: 3128
diff --git a/src/test/java/de/ozgcloud/nachrichten/postfach/osiv2/OsiPostfachRemoteServiceITCase.java b/src/test/java/de/ozgcloud/nachrichten/postfach/osiv2/OsiPostfachRemoteServiceITCase.java
index d521985848e025dc5f2b12b1fba15e3d2d99a0ee..53c668ba248ea650bfef43752bf141c9d1112773 100644
--- a/src/test/java/de/ozgcloud/nachrichten/postfach/osiv2/OsiPostfachRemoteServiceITCase.java
+++ b/src/test/java/de/ozgcloud/nachrichten/postfach/osiv2/OsiPostfachRemoteServiceITCase.java
@@ -38,7 +38,7 @@ import de.ozgcloud.nachrichten.postfach.osiv2.gen.model.MessageExchangeReceiveMe
 import lombok.SneakyThrows;
 
 @SpringBootTest(classes = TestApplication.class)
-@ActiveProfiles({"stage", "itcase"})
+@ActiveProfiles({ "stage", "itcase" })
 @TestPropertySource(properties = {
 		"ozgcloud.osiv2.proxy.enabled=false",
 })
diff --git a/src/test/java/de/ozgcloud/nachrichten/postfach/osiv2/OsiPostfachRemoteServiceRemoteITCase.java b/src/test/java/de/ozgcloud/nachrichten/postfach/osiv2/OsiPostfachRemoteServiceRemoteITCase.java
index 482ed08e7a448aa564d66a9f85612bb976db5faf..bfe893d4894db385d82927d12af57d282d8bc35e 100644
--- a/src/test/java/de/ozgcloud/nachrichten/postfach/osiv2/OsiPostfachRemoteServiceRemoteITCase.java
+++ b/src/test/java/de/ozgcloud/nachrichten/postfach/osiv2/OsiPostfachRemoteServiceRemoteITCase.java
@@ -6,7 +6,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.stream.Stream;
 
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Nested;
 import org.junit.jupiter.api.Test;
diff --git a/src/test/java/de/ozgcloud/nachrichten/postfach/osiv2/OsiPostfachRemoteServiceTest.java b/src/test/java/de/ozgcloud/nachrichten/postfach/osiv2/OsiPostfachRemoteServiceTest.java
index a00ab88ae8b7d18aa79a228c651d55ff472a8289..685c36f61dd8d1d44afc185da5bf94bf3eb4ee67 100644
--- a/src/test/java/de/ozgcloud/nachrichten/postfach/osiv2/OsiPostfachRemoteServiceTest.java
+++ b/src/test/java/de/ozgcloud/nachrichten/postfach/osiv2/OsiPostfachRemoteServiceTest.java
@@ -81,6 +81,7 @@ class OsiPostfachRemoteServiceTest {
 
 			verify(postfachApiFacadeService).deleteMessage(any());
 		}
+
 		@DisplayName("should throw osi postfach exception on runtime exception")
 		@Test
 		void shouldThrowOsiPostfachExceptionOnRuntimeException() {
diff --git a/src/test/resources/application-itcase.yml b/src/test/resources/application-itcase.yml
index d8cacf79a13dd9feec526bea7afc6695e6f0b136..41e84786e9e76db63c2d6671a55ae56dddae6ea7 100644
--- a/src/test/resources/application-itcase.yml
+++ b/src/test/resources/application-itcase.yml
@@ -1,5 +1,5 @@
 ozgcloud:
-  osiv2-postfach:
+  osiv2:
     enabled: true
 logging:
   level: