diff --git a/imageroot/actions/configure-module/10configure b/imageroot/actions/configure-module/10configure
index 0c9a416..2e14070 100755
--- a/imageroot/actions/configure-module/10configure
+++ b/imageroot/actions/configure-module/10configure
@@ -25,3 +25,5 @@ providers = agent.list_service_providers(rdb, 'imap', 'tcp', {
 if providers:
     # Set the PROVIDER_IP (IPV4) environment variable to the host of the first provider
     agent.set_env("PROVIDER_IP", providers[0]["host"])
+
+agent.set_env("RETENTION_DAYS", data["retention_days"])
diff --git a/imageroot/actions/configure-module/validate-input.json b/imageroot/actions/configure-module/validate-input.json
index 830cd34..31f4144 100755
--- a/imageroot/actions/configure-module/validate-input.json
+++ b/imageroot/actions/configure-module/validate-input.json
@@ -7,7 +7,8 @@
         {
             "host": "piler.nethserver.org",
             "http2https": true,
-            "lets_encrypt": true
+            "lets_encrypt": true,
+            "retention_days": 365
         }
     ],
     "type": "object",
@@ -15,7 +16,8 @@
         "host",
         "http2https",
         "lets_encrypt",
-        "mail_server"
+        "mail_server",
+        "retention_days"
     ],
     "properties": {
         "host": {
@@ -39,6 +41,12 @@
             "description": "Mail server UUID",
             "type": "string",
             "title": "Mail server UUID"
+        },
+        "retention_days": {
+            "description": "Number of days to keep the emails",
+            "type": "integer",
+            "minimum": 1,
+            "title": "Retention days"
         }
     }
 }
diff --git a/imageroot/actions/get-configuration/20read b/imageroot/actions/get-configuration/20read
index 0f84339..f484271 100755
--- a/imageroot/actions/get-configuration/20read
+++ b/imageroot/actions/get-configuration/20read
@@ -18,7 +18,7 @@ config["host"] = os.environ.get("TRAEFIK_HOST",'')
 config["http2https"] =  os.environ.get("TRAEFIK_HTTP2HTTPS","False") == "True"
 config["lets_encrypt"] =  os.environ.get("TRAEFIK_LETS_ENCRYPT","False") == "True"
 config["mail_server"] = os.getenv("MAIL_SERVER", "")
-
+config['retention_days'] = int(os.getenv("RETENTION_DAYS", 2557))
 rdb = agent.redis_connect() # full read-only access on every key
 modules=[]
 # we query about all mail server to use it inside the user interface
diff --git a/imageroot/actions/get-configuration/validate-output.json b/imageroot/actions/get-configuration/validate-output.json
index b22f24e..3b6fced 100644
--- a/imageroot/actions/get-configuration/validate-output.json
+++ b/imageroot/actions/get-configuration/validate-output.json
@@ -10,7 +10,8 @@
             "lets_encrypt": true,
             "mail_server": "xxxxxxxxxxxxxxxxxxxxxxxxx",
             "is_default_password_admin": false,
-            "is_default_password_auditor": false
+            "is_default_password_auditor": false,
+            "retention_days": 365
         }
     ],
     "type": "object",
@@ -20,7 +21,8 @@
         "lets_encrypt",
         "mail_server",
         "is_default_password_admin",
-        "is_default_password_auditor"
+        "is_default_password_auditor",
+        "retention_days"
     ],
     "properties": {
         "host": {
@@ -52,6 +54,11 @@
             "type": "boolean",
             "title": "Default password",
             "description": "True if the password is the default one"
+        },
+        "retention_days": {
+            "type": "integer",
+            "title": "Retention days",
+            "description": "Number of days to keep the emails"
         }
     }
 }
diff --git a/imageroot/bin/expand-configuration b/imageroot/bin/expand-configuration
index 59ef8b4..928d3ec 100755
--- a/imageroot/bin/expand-configuration
+++ b/imageroot/bin/expand-configuration
@@ -37,6 +37,7 @@ if os.environ.get("MAIL_SERVER", ''):
 properties = {
     "host":  os.environ["TRAEFIK_HOST"],
     "provider_ip": os.environ["PROVIDER_IP"],
+    "retention_days": os.environ.get("RETENTION_DAYS", 2557),
 }
 
 json_properties = json.dumps(properties)
diff --git a/imageroot/templates/piler.conf b/imageroot/templates/piler.conf
index 84e4c29..37f0618 100644
--- a/imageroot/templates/piler.conf
+++ b/imageroot/templates/piler.conf
@@ -4,7 +4,7 @@ backlog=20
 check_for_client_timeout_interval=20
 cipher_list=ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:ECDH+3DES:DH+3DES:RSA+AESGCM:RSA+AES:RSA+3DES:!aNULL:!MD5:!DSS
 clamd_socket=/tmp/clamd
-default_retention_days=2557
+default_retention_days={{retention_days}}
 enable_chunking=0
 enable_cjk=0
 enable_folders=0
diff --git a/ui/public/i18n/language.json b/ui/public/i18n/language.json
index 06cd73b..fc3e499 100644
--- a/ui/public/i18n/language.json
+++ b/ui/public/i18n/language.json
@@ -49,7 +49,11 @@
     "import_old_emails_to_piler_description": "Import old emails to Piler, this process may take a long time",
     "always_bcc_is_already_set": "Always BCC is already set in the server, you need to manually remove it (POSTFIX_ALWAYS_BCC)",
     "always_bcc_not_set_warning": "Always BCC is not set",
-    "always_bcc_not_set_description": "Always BCC is not set in the mail server, you could try to configure again piler"
+    "always_bcc_not_set_description": "Always BCC is not set in the mail server, you could try to configure again piler",
+    "retention_days": "Retention days",
+    "retention_days_error": "Enter a number greater than 0",
+    "placeholder_retention_days": "Type the number of days",
+    "retention_days_tooltip": "The number of days to keep the emails in the archive"
   },
   "about": {
     "title": "About"
diff --git a/ui/src/views/Settings.vue b/ui/src/views/Settings.vue
index c72c74b..3358d9e 100644
--- a/ui/src/views/Settings.vue
+++ b/ui/src/views/Settings.vue
@@ -124,6 +124,21 @@
                 {{ $t("settings.choose_the_mail_server_to_use") }}
               </template>
             </NsComboBox>
+            <NsTextInput
+              :label="$t('settings.retention_days')"
+              :placeholder="$t('settings.placeholder_retention_days')"
+              v-model.trim="retention_days"
+              :invalid-message="$t(error.retention_days)"
+              :disabled="loading.getConfiguration || loading.configureModule"
+              ref="retention_days"
+              type="number"
+              tooltipAlignment="start"
+              tooltipDirection="right"
+              >
+              <template slot="tooltip">
+                {{ $t('settings.retention_days_tooltip')}}
+              </template>
+            </NsTextInput>
             <cv-row v-if="error.configureModule">
               <cv-column>
                 <NsInlineNotification
@@ -187,6 +202,7 @@ export default {
       is_default_password_auditor: false,
       isLetsEncryptEnabled: false,
       isHttpToHttpsEnabled: false,
+      retention_days: "2557",
       loading: {
         getConfiguration: false,
         configureModule: false,
@@ -198,6 +214,7 @@ export default {
         lets_encrypt: "",
         http2https: "",
         mail_server: "",
+        retention_days: "",
       },
     };
   },
@@ -277,6 +294,7 @@ export default {
       this.is_default_password_auditor = config.is_default_password_auditor;
       this.piler_is_running = config.piler_is_running;
       this.always_bcc_correctly_set = config.always_bcc_correctly_set;
+      this.retention_days = config.retention_days.toString();
       this.loading.getConfiguration = false;
       this.focusElement("host");
     },
@@ -301,6 +319,14 @@ export default {
         }
         isValidationOk = false;
       }
+      if (this.retention_days < 1) {
+        this.error.retention_days = "settings.retention_days_error";
+
+        if (isValidationOk) {
+          this.focusElement("retention_days");
+        }
+        isValidationOk = false;
+      }
       return isValidationOk;
     },
     configureModuleValidationFailed(validationErrors) {
@@ -354,6 +380,7 @@ export default {
             mail_server: this.mail_server,
             lets_encrypt: this.isLetsEncryptEnabled,
             http2https: this.isHttpToHttpsEnabled,
+            retention_days:  parseInt(this.retention_days),
           },
           extra: {
             title: this.$t("settings.instance_configuration", {