diff --git a/full/repository-common/src/main/java/de/acosix/alfresco/utility/repo/email/imap/Config.java b/full/repository-common/src/main/java/de/acosix/alfresco/utility/repo/email/imap/Config.java
index bfb3e79..23bb7f1 100644
--- a/full/repository-common/src/main/java/de/acosix/alfresco/utility/repo/email/imap/Config.java
+++ b/full/repository-common/src/main/java/de/acosix/alfresco/utility/repo/email/imap/Config.java
@@ -280,7 +280,6 @@ public String getPassword()
      */
     public void setPassword(final String password)
     {
-        ParameterCheck.mandatoryString("password", password);
         this.password = password;
     }
 
diff --git a/full/repository-subetha3/src/main/java/de/acosix/alfresco/utility/repo/subetha3/email/imap/JavaMailClient.java b/full/repository-subetha3/src/main/java/de/acosix/alfresco/utility/repo/subetha3/email/imap/JavaMailClient.java
index 94ae6db..88b8ba0 100644
--- a/full/repository-subetha3/src/main/java/de/acosix/alfresco/utility/repo/subetha3/email/imap/JavaMailClient.java
+++ b/full/repository-subetha3/src/main/java/de/acosix/alfresco/utility/repo/subetha3/email/imap/JavaMailClient.java
@@ -358,6 +358,7 @@ private Folder openFolder(final String folderPath)
         }
         catch (final MessagingException e)
         {
+            LOGGER.warn("Failed to resolve folder", e);
             throw new EmailMessageException("Failed to resolve folder " + folderPath);
         }
 
diff --git a/full/repository-subetha6/src/main/java/de/acosix/alfresco/utility/repo/subetha6/email/imap/JakartaMailClient.java b/full/repository-subetha6/src/main/java/de/acosix/alfresco/utility/repo/subetha6/email/imap/JakartaMailClient.java
index 052e87e..3410f3f 100644
--- a/full/repository-subetha6/src/main/java/de/acosix/alfresco/utility/repo/subetha6/email/imap/JakartaMailClient.java
+++ b/full/repository-subetha6/src/main/java/de/acosix/alfresco/utility/repo/subetha6/email/imap/JakartaMailClient.java
@@ -358,6 +358,7 @@ private Folder openFolder(final String folderPath)
         }
         catch (final MessagingException e)
         {
+            LOGGER.warn("Failed to resolve folder", e);
             throw new EmailMessageException("Failed to resolve folder " + folderPath);
         }
 
diff --git a/full/repository/src/main/java/de/acosix/alfresco/utility/repo/email/imap/SynchJob.java b/full/repository/src/main/java/de/acosix/alfresco/utility/repo/email/imap/SynchJob.java
index 75d622b..8e22953 100644
--- a/full/repository/src/main/java/de/acosix/alfresco/utility/repo/email/imap/SynchJob.java
+++ b/full/repository/src/main/java/de/acosix/alfresco/utility/repo/email/imap/SynchJob.java
@@ -296,7 +296,7 @@ public String getIdentifier(final SynchWork entry)
     public void beforeProcess() throws Throwable
     {
         AuthenticationUtil.pushAuthentication();
-        AuthenticationUtil.clearCurrentSecurityContext();
+        AuthenticationUtil.setRunAsUserSystem();
         this.originalLocale.set(I18NUtil.getLocaleOrNull());
         I18NUtil.setLocale(this.importLocale);
     }
@@ -320,7 +320,20 @@ public void process(final SynchWork entry) throws Throwable
             final ImprovedEmailMessage message = this.imapClient.toImprovedEmailMessage(emailMessage);
             try
             {
-                this.emailService.importMessage(delivery, message);
+                // necessary to allow permissions for user mapped via from-address to take effect
+                // and user to be marked as creator
+                AuthenticationUtil.pushAuthentication();
+                AuthenticationUtil.clearCurrentSecurityContext();
+                try
+                {
+                    this.emailService.importMessage(delivery, message);
+                }
+                finally
+                {
+                    // restoration required to allow TRANSACTION_COMMIT policies to work without permission issues
+                    // specifically ImapContentPolicy
+                    AuthenticationUtil.popAuthentication();
+                }
 
                 TransactionSupportUtil.bindListener(new TransactionListenerAdapter()
                 {