diff --git a/lib/lang/cz_template.lng b/lib/lang/cz_template.lng
index d09bbccec2d2c1925188242a3d078d788c80b866..5c1c2676a46397a6fc2e191e3f86591f856df5d1 100644
--- a/lib/lang/cz_template.lng
+++ b/lib/lang/cz_template.lng
@@ -79,4 +79,7 @@ $wb["mailbox_quota_txt"] = 'Mailbox kvóta (0 pro neomezeně)';
 $wb["quota_error_isint"] = 'Velikost mailboxu musí být číslo.';
 $wb["quota_error_value"] = 'Špatná hodnota kvóty. Povolené hodnoty jsou: 0 pro neomezeně nebo čísla > 1';
 $wb['http_port_txt'] = 'HTTP Port';
-$wb['https_port_txt'] = 'HTTPS Port';
\ No newline at end of file
+$wb['https_port_txt'] = 'HTTPS Port';
+$wb['log_retention_txt'] = 'Logfiles retention time';
+$wb['log_retention_error_regex'] = 'Retention time in days (allowed values: min. 0 - max. 9999)';
+
diff --git a/lib/lang/en_template.lng b/lib/lang/en_template.lng
index 758a98f114034b22cb4691ff49c2be46e0599dd3..5247f83fdf51ed6976d1e0f70a7f51a96bf5c0a2 100644
--- a/lib/lang/en_template.lng
+++ b/lib/lang/en_template.lng
@@ -78,4 +78,6 @@ $wb["mailbox_quota_txt"] = 'Mailbox quota (0 for unlimited)';
 $wb["quota_error_isint"] = 'Mailbox size must be a number.';
 $wb["quota_error_value"] = 'Invalid quota value. Allowed values are: 0 for unlimited or numbers > 1';
 $wb['http_port_txt'] = 'HTTP Port';
-$wb['https_port_txt'] = 'HTTPS Port';
\ No newline at end of file
+$wb['https_port_txt'] = 'HTTPS Port';
+$wb['log_retention_txt'] = 'Logfiles retention time';
+$wb['log_retention_error_regex'] = 'Retention time in days (allowed values: min. 0 - max. 9999)';
diff --git a/lib/lang/es_template.lng b/lib/lang/es_template.lng
index 7c67b55687c12a2718dd3178e55d60e05f8f3d49..55a28db0966ec1f626898b4c5baaf24aa8aab5b2 100644
--- a/lib/lang/es_template.lng
+++ b/lib/lang/es_template.lng
@@ -79,3 +79,5 @@ $wb["quota_error_isint"] = 'La cuota debe ser un numero.';
 $wb["quota_error_value"] = 'Valor de cuota erroneo. Los valores permitidos son: 0 para ilimitada o numeros > 1';
 $wb['http_port_txt'] = 'Puerto HTTP';
 $wb['https_port_txt'] = 'Puerto HTTPS';
+$wb['log_retention_txt'] = 'Logfiles retention time';
+$wb['log_retention_error_regex'] = 'Retention time in days (allowed values: min. 0 - max. 9999)';
diff --git a/templates/template_site.htm b/templates/template_site.htm
index 1368eeb7d95ee3c773259bd2f9ad1ff3265f1aa8..ebab14d4b2aa41af485451e529b4a32f77c3fcd3 100644
--- a/templates/template_site.htm
+++ b/templates/template_site.htm
@@ -120,6 +120,10 @@
 		{tmpl_var name="rewrite_to_https"}
 	</div>
 </div>
+<div class="form-group">
+        <label for="log_retention" class="col-sm-3 control-label">{tmpl_var name='log_retention_txt'}</label>
+        <div class="col-sm-9"><input name="log_retention" id="log_retention" value="{tmpl_var name='log_retention'}" type="text" class="form-control" /></div>
+</div>
 <div class="form-group apache">
 	<label for="allow_override" class="col-sm-3 control-label">{tmpl_var name='allow_override_txt'}</label>
 	<div class="col-sm-9">