diff --git a/Stundensheet.xlsx b/Stundensheet.xlsx
index 284dd705..18f3b430 100644
Binary files a/Stundensheet.xlsx and b/Stundensheet.xlsx differ
diff --git a/nsw/Source/bsmd.database/Properties/AssemblyProductInfo.cs b/nsw/Source/bsmd.database/Properties/AssemblyProductInfo.cs
index d3b0fbf0..423e55c1 100644
--- a/nsw/Source/bsmd.database/Properties/AssemblyProductInfo.cs
+++ b/nsw/Source/bsmd.database/Properties/AssemblyProductInfo.cs
@@ -2,6 +2,6 @@
 
 [assembly: AssemblyCompany("schick Informatik")]
 [assembly: AssemblyProduct("BSMD NSW interface")]
-[assembly: AssemblyInformationalVersion("6.0.8")]
+[assembly: AssemblyInformationalVersion("6.0.9")]
 [assembly: AssemblyCopyright("Copyright ©  2014-2020 schick Informatik")]
 [assembly: AssemblyTrademark("")]
\ No newline at end of file
diff --git a/nsw/Source/bsmd.database/Properties/AssemblyProjectInfo.cs b/nsw/Source/bsmd.database/Properties/AssemblyProjectInfo.cs
index b777f8f0..359580f6 100644
--- a/nsw/Source/bsmd.database/Properties/AssemblyProjectInfo.cs
+++ b/nsw/Source/bsmd.database/Properties/AssemblyProjectInfo.cs
@@ -1,4 +1,4 @@
 using System.Reflection;
 
-[assembly: AssemblyVersion("6.0.8.*")]
+[assembly: AssemblyVersion("6.0.9.*")]
 
diff --git a/nsw/Source/bsmd.email/BSMDMail.cs b/nsw/Source/bsmd.email/BSMDMail.cs
index cec09d94..a463c226 100644
--- a/nsw/Source/bsmd.email/BSMDMail.cs
+++ b/nsw/Source/bsmd.email/BSMDMail.cs
@@ -145,30 +145,33 @@ namespace bsmd.email
 
         public static void SendSystemInfo(string subject, string body, string recipient)
         {
-            using (BSMDMail mailer = new BSMDMail())
+            using BSMDMail mailer = new BSMDMail();
+            if(recipient.Equals(Properties.Settings.Default.POP3User, StringComparison.OrdinalIgnoreCase))
             {
-                MailMessage message = new MailMessage();
-                MailAddress fromAddress = new MailAddress(Properties.Settings.Default.Sender);
-                message.From = fromAddress;
-                message.Subject = subject;
-                message.IsBodyHtml = false;
-                message.Body = body;
+                log.Warn("system info recipient is pop3 user, skipping send to avoid loops");
+                return;
+            }
+            MailMessage message = new MailMessage();
+            MailAddress fromAddress = new MailAddress(Properties.Settings.Default.Sender);
+            message.From = fromAddress;
+            message.Subject = subject;
+            message.IsBodyHtml = false;
+            message.Body = body;
 
-                message.To.Add(recipient);
-                MailAddress adminAddress = new MailAddress(Properties.Settings.Default.AdminEmail);
-                message.CC.Add(adminAddress);
-                try
-                {
-                    mailer.Send(message);
-                }
-                catch (SmtpException smtpException)
-                {
-                    log.ErrorFormat("SMTP error while sending e-mail:{0}", smtpException.Message);
-                }
-                catch (Exception ex)
-                {
-                    log.ErrorFormat("other error while sending e-mail:{0}", ex.Message);
-                }
+            message.To.Add(recipient);
+            MailAddress adminAddress = new MailAddress(Properties.Settings.Default.AdminEmail);
+            message.CC.Add(adminAddress);
+            try
+            {
+                mailer.Send(message);
+            }
+            catch (SmtpException smtpException)
+            {
+                log.ErrorFormat("SMTP error while sending e-mail:{0}", smtpException.Message);
+            }
+            catch (Exception ex)
+            {
+                log.ErrorFormat("other error while sending e-mail:{0}", ex.Message);
             }
         }