diff --git a/Docker/Dockerfile b/Docker/Dockerfile
index 746be88..0913226 100644
--- a/Docker/Dockerfile
+++ b/Docker/Dockerfile
@@ -3,6 +3,6 @@ FROM		scratch
 
 MAINTAINER Michele Fadda "<mikif70@gmail.com>"
 
-COPY        lastlogin_mongodb-v4.3.3 /bin/lastlogin_mongodb
+COPY        lastlogin_mongodb-v4.4.1b /bin/lastlogin_mongodb
 
 ENTRYPOINT  [ "/bin/lastlogin_mongodb" ]
diff --git a/Docker/build.sh b/Docker/build.sh
index 9bde061..2bb71cd 100755
--- a/Docker/build.sh
+++ b/Docker/build.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
 
-docker build -t mikif70/llmongo:4.3.3 .
+docker build -t mikif70/llmongo:4.4.1b .
diff --git a/consumer.go b/consumer.go
index 684a383..d09a2d4 100644
--- a/consumer.go
+++ b/consumer.go
@@ -15,6 +15,10 @@ import (
 	"gopkg.in/mgo.v2"
 )
 
+const (
+	RETENTION = 15552000
+)
+
 type consumed struct {
 	user   string
 	error  bool
@@ -80,6 +84,16 @@ func consumer() {
 				continue
 			}
 
+			// se la data e' piu vecchia di RETENTION (15552000 sec) la scarta
+			if time.Since(time.Unix(date, 0)).Seconds()-RETENTION >= 0 {
+				log.Printf("Date Warning: %+v - %s - %s\n", time.Unix(date, 0), prod.user, login)
+				if opts.Debug {
+					fmt.Printf("Date Warning: %+v - %s - %s\n", time.Unix(date, 0), prod.user, login)
+				} else {
+					continue
+				}
+			}
+
 			// verifica se esiste la country
 			if len(sval) <= 3 {
 				sval = append(sval, "NONE")
diff --git a/main.go b/main.go
index 7a372b9..4e4f138 100644
--- a/main.go
+++ b/main.go
@@ -14,7 +14,7 @@ import (
 )
 
 const (
-	_Version  = "v4.3.3"
+	_Version  = "v4.4.1b"
 	_Producer = 0
 	_Consumer = 1
 	_Remover  = 2