diff --git a/arch/x86/scc/icc.c b/arch/x86/scc/icc.c
index 40a07199..cd2c3b50 100644
--- a/arch/x86/scc/icc.c
+++ b/arch/x86/scc/icc.c
@@ -235,30 +235,46 @@ int icc_ping(int ue)
 int icc_mail_ping( void )
 {
 	uint32_t flags;
+	uint64_t timer;
 	int remote_rank = (my_ue+1)%2;
-	
-	kprintf( "#### Hello from icc_mail_ping\n" );	
+
+	if( !my_rank ) {
+		return 0;
+	}
+
 	// iRCCE is not thread save => disable interrupts
 	flags = irq_nested_disable();
 
-	// send mail
-	iRCCE_mail_send( 0, my_ue, 0, NULL, remote_rank );
-	kprintf( "### Message sent ...\n" );
+	// start timer
+	timer = rdtsc();
 
-	// wait for mail from remote rank
+	iRCCE_mail_send( 0, 1, 0, NULL, remote_rank );
+	kprintf( "Sent pingrequest to %d ...\n", remote_rank );
+
+	// wait for response
 	iRCCE_MAIL_HEADER* mail;
 	do {
 		iRCCE_mail_recv( &mail );
 	} while( !mail );
 
-	// show content	
-	iRCCE_mailbox_print_header( mail );
-	
+	// stop timer
+	timer = rdtsc() - timer;
+
+	if( mail->tag == 2 ) {
+		kprintf( "Response received in %d ticks!\n", timer );	
+	}
+	else {
+		krpintf( "Response didn't arrive!\n" );
+	}
+
+
+
 	irq_nested_enable(flags);
-	
+
 	return 0;
 
 }
+
 static void interpret_header(icc_header_t* header, int recv_ue)
 {
 	//kprintf("Got ICC message %d from %d\n", header->type, recv_ue);
@@ -325,4 +341,20 @@ void icc_check(void)
 	iRCCE_isend_push();
 }
 
+void icc_mail_check(void)
+{
+	iRCCE_MAIL_HEADER* header;
+	int res;
+	
+	// empty mailbox and interpret headers
+	do {
+		res = iRCCE_mail_recv( &header );
+		if( header->tag == 1 ) {
+			iRCCE_mail_send( 0, 2, 0, NULL, header->source );	
+		}
+		
+		iRCCE_mail_release( &header );
+	} while( res == iRCCE_SUCCESS );
+}
+
 #endif
diff --git a/include/metalsvm/tasks.h b/include/metalsvm/tasks.h
index 5329fc61..ec6ed665 100644
--- a/include/metalsvm/tasks.h
+++ b/include/metalsvm/tasks.h
@@ -143,7 +143,8 @@ static inline void check_workqueues(void)
 	uint32_t flags = irq_nested_disable();
 
 #ifdef CONFIG_ROCKCREEK
-	icc_check();
+	//icc_check();
+	icc_mail_check();
 #endif
 
 	irq_nested_enable(flags);