diff --git a/api/admin.php b/api/admin.php
index eb4a4e040..b5631dfc8 100644
--- a/api/admin.php
+++ b/api/admin.php
@@ -25,11 +25,8 @@
     }
 
     if($config['reset_remove_mailtxt']) {
-        $mailAddressesFile = $config['foldersAbs']['data'] . '/mail-addresses.txt';
-
-        // delete mail-addresses.txt
-        if(is_file($mailAddressesFile)){
-            unlink($mailAddressesFile);
+        if (is_file(MAIL_FILE)) {
+            unlink(MAIL_FILE); // delete file
         }
     }
 
diff --git a/api/sendPic.php b/api/sendPic.php
index 0ce361f6b..88f9a9b9a 100644
--- a/api/sendPic.php
+++ b/api/sendPic.php
@@ -63,19 +63,17 @@
 }
 
 if (isset($_POST['send-link']) && $_POST['send-link'] === 'yes') {
-    $mailAddressesFile = $config['foldersAbs']['data'] . '/mail-addresses.txt';
-
-    if (!file_exists($mailAddressesFile)) {
+    if (!file_exists(MAIL_FILE)) {
         $addresses = [];
     } else {
-        $addresses = json_decode(file_get_contents($mailAddressesFile));
+        $addresses = json_decode(file_get_contents(MAIL_FILE));
     }
 
     if (!in_array($_POST['sendTo'], $addresses)) {
         $addresses[] = $_POST['sendTo'];
     }
 
-    file_put_contents($mailAddressesFile, json_encode($addresses));
+    file_put_contents(MAIL_FILE, json_encode($addresses));
 
     die(json_encode([
         'success' => true,
diff --git a/config/config.inc.php b/config/config.inc.php
index 69f3685c1..6ac6a2ad9 100644
--- a/config/config.inc.php
+++ b/config/config.inc.php
@@ -55,6 +55,8 @@
 $config['webserver_ip'] = null;
 $config['rounded_corners'] = false;
 $config['time_to_live'] = '90000';
+$config['db_file'] = 'db';
+$config['mail_file'] = 'mail-adresses';
 
 // specify key id to use that key to take a picture or collage (e.g. 13 is the enter key)
 // use for example https://keycode.info to get the key code
diff --git a/lib/configsetup.inc.php b/lib/configsetup.inc.php
index f0e01bc80..870f165bd 100644
--- a/lib/configsetup.inc.php
+++ b/lib/configsetup.inc.php
@@ -49,6 +49,12 @@
 			'name' => 'show_error_messages',
 			'value' => $config['show_error_messages']
 		],
+		'db_file' => [
+			'type' => 'input',
+			'placeholder' => $defaultConfig['db_file'],
+			'name' => 'db_file',
+			'value' => $config['db_file']
+		],
 		'file_format_date' => [
 			'type' => 'checkbox',
 			'name' => 'file_format_date',
@@ -682,6 +688,12 @@
 			'name' => 'send_all_later',
 			'value' => $config['send_all_later']
 		],
+		'file' => [
+			'type' => 'input',
+			'placeholder' => $defaultConfig['mail_file'],
+			'name' => 'mail_file',
+			'value' => $config['mail_file']
+		],
 		'host' => [
 			'type' => 'input',
 			'placeholder' => $defaultConfig['mail_host'],
diff --git a/lib/db.php b/lib/db.php
index 8f398e284..589bdd75b 100644
--- a/lib/db.php
+++ b/lib/db.php
@@ -1,7 +1,8 @@
 <?php
 require_once(__DIR__ . '/config.php');
 
-define('DB_FILE', $config['foldersAbs']['data'] . '/db.txt');
+define('DB_FILE', $config['foldersAbs']['data'] . DIRECTORY_SEPARATOR . $config['db_file'] . '.txt');
+define('MAIL_FILE', $config['foldersAbs']['data'] . DIRECTORY_SEPARATOR . $config['mail_file'] . '.txt');
 
 function getImagesFromDB() {
 	// get data from db.txt
diff --git a/resources/lang/de.json b/resources/lang/de.json
index 5d6c268da..c121f7e7a 100644
--- a/resources/lang/de.json
+++ b/resources/lang/de.json
@@ -48,6 +48,7 @@
   "general_cntdwn_time": "Countdown Timer:",
   "general_collage_cntdwn_time": "Collage-Countdown Timer:",
   "general_collage_key": "Tastencode welcher eine Collage auslöst",
+  "general_db_file": "Name der Datenbankdatei",
   "general_default_imagefilter": "Standardbildfilter",
   "general_disabled_filters": "Deaktivierte Bildfilter",
   "general_ipCamPreviewRotation": "Vorschau von URL drehen",
@@ -84,6 +85,7 @@
   "mailError": "Fehler beim Senden der E-Mail",
   "mailSaved": "E-Mail-Adresse erfolgreich gespeichert",
   "mailSent": "E-Mail gesendet",
+  "mail_file": "Name der E-Mail-Adressen-Datenbankdatei",
   "mail_fromAddress": "Absende Adresse",
   "mail_fromName": "Absender Name",
   "mail_host": "E-Mail Host Adresse",
@@ -130,7 +132,7 @@
   "reload": "Seite neu laden",
   "remove_config": "Persönliche Konfiguration löschen (my.config.inc.php)",
   "remove_images": "Bilder löschen",
-  "remove_mailtxt": "\"mail-addresses.txt\" löschen",
+  "remove_mailtxt": "E-Mail-Adressen-Datenbankdatei löschen",
   "reset": "Zurücksetzen",
   "rounded_corners": "Abgerundete Ecken",
   "save": "Speichern",
diff --git a/resources/lang/en.json b/resources/lang/en.json
index 42bf52b44..c37414d27 100644
--- a/resources/lang/en.json
+++ b/resources/lang/en.json
@@ -49,6 +49,7 @@
   "general_cntdwn_time": "Countdown timer:",
   "general_collage_cntdwn_time": "Collage-countdown timer:",
   "general_collage_key": "Key code which triggers a collage",
+  "general_db_file": "Database file name",
   "general_default_imagefilter": "Default image filter",
   "general_disabled_filters": "Disabled image filters",
   "general_ipCamPreviewRotation": "Rotate preview from URL",
@@ -86,6 +87,7 @@
   "mailError": "Error sending e-mail",
   "mailSaved": "E-mail address saved successfully",
   "mailSent": "E-mail sent",
+  "mail_file": "File name e-mail addresses database",
   "mail_fromAddress": "Return address",
   "mail_fromName": "Sender name",
   "mail_host": "E-mail host adress",
@@ -125,6 +127,7 @@
   "manual_general_cntdwn_time": "Set your countdown time.",
   "manual_general_collage_cntdwn_time": "Set your countdown time between pictures while taking a collage.",
   "manual_general_collage_key": "Specify the key id to use that key to take a collage (e.g. 13 is the enter key). For example use <a href=\"https://keycode.info\"  target=\"_blank\">https://keycode.info</a> to find out the key id.",
+  "manual_general_db_file": "Name of the database file.",
   "manual_general_default_imagefilter": "Choose an imagefilter which is applied by default after taking a picture.",
   "manual_general_disabled_filters": "Choose filters which get removed from the available imagefilter.",
   "manual_general_ipCamPreviewRotation": "Choose to rotate the preview from URL.",
@@ -150,6 +153,7 @@
   "manual_login_enabled": "If enabled, a username and password will be needed to access the adminpage and/or start screen (depending on your setup).",
   "manual_login_password": "Define your password used for login. Please note: after saving your password will only be visible as a hash inside adminpanel. For login don't enter the hash, enter the password you have set.",
   "manual_login_username": "Define the username used to login into Photobooth.",
+  "manual_mail_file": "File name for the e-mail addresses database.",
   "manual_mail_fromAddress": "Enter your return address which is used while sending pictures via email.",
   "manual_mail_fromName": "Enter your sender name which is used while sending pictures via email.",
   "manual_mail_host": "Enter your email host adress.",
@@ -247,7 +251,7 @@
   "reload": "Reload Page",
   "remove_config": "Delete personal configuration (my.config.inc.php)",
   "remove_images": "Delete images",
-  "remove_mailtxt": "Delete \"mail-addresses.txt\"",
+  "remove_mailtxt": "Delete e-mail addresses database",
   "reset": "Reset",
   "rounded_corners": "Rounded corners",
   "save": "Save",