diff --git a/app/ui/archiveTile.js b/app/ui/archiveTile.js
index 7ece0205..9a22cdf5 100644
--- a/app/ui/archiveTile.js
+++ b/app/ui/archiveTile.js
@@ -486,6 +486,16 @@ module.exports.empty = function(state, emit) {
             })}
           </button>
         `;
+  const warning = state.WEB_UI.UPLOAD_AREA_WARNING_HTML
+    ? html`
+        <p
+          class="w-full mt-8 p-2 border-default dark:border-grey-70 rounded-default text-orange-60 bg-yellow-40 text-center leading-normal"
+        >
+          ${raw(state.WEB_UI.UPLOAD_AREA_WARNING_HTML)}
+        </p>
+      `
+    : '';
+
   return html`
     <send-upload-area
       class="flex flex-col items-center justify-center border-2 border-dashed border-grey-transparent rounded-default px-6 py-16 h-full w-full dark:border-grey-60"
@@ -526,7 +536,7 @@ module.exports.empty = function(state, emit) {
       >
         ${state.translate('addFilesButton')}
       </label>
-      ${upsell}
+      ${upsell} ${warning}
     </send-upload-area>
   `;
 
@@ -559,6 +569,16 @@ module.exports.preview = function(state, emit) {
           ${archiveDetails(state.translate, archive)}
         </div>
       `;
+  const warning = state.WEB_UI.DOWNLOAD_WARNING_HTML
+    ? html`
+        <p
+          class="w-full mt-4 p-2 border-default dark:border-grey-70 rounded-default text-orange-60 bg-yellow-40 text-center leading-normal"
+        >
+          ${raw(state.WEB_UI.DOWNLOAD_WARNING_HTML)}
+        </p>
+      `
+    : '';
+
   return html`
     <send-archive
       class="flex flex-col max-h-full bg-white p-4 w-full md:w-128 dark:bg-grey-90"
@@ -574,6 +594,7 @@ module.exports.preview = function(state, emit) {
       >
         ${state.translate('downloadButtonLabel')}
       </button>
+      ${warning}
     </send-archive>
   `;
 
diff --git a/server/clientConstants.js b/server/clientConstants.js
index 37c69be9..4786bcff 100644
--- a/server/clientConstants.js
+++ b/server/clientConstants.js
@@ -15,6 +15,8 @@ module.exports = {
     FOOTER_SOURCE_URL: config.footer_source_url,
     CUSTOM_FOOTER_TEXT: config.custom_footer_text,
     CUSTOM_FOOTER_URL: config.custom_footer_url,
+    UPLOAD_AREA_WARNING_HTML: config.upload_area_warning_html,
+    DOWNLOAD_WARNING_HTML: config.download_warning_html,
     COLORS: {
       PRIMARY: config.ui_color_primary,
       ACCENT: config.ui_color_accent
diff --git a/server/config.js b/server/config.js
index 7c0f43cc..ffab7bd3 100644
--- a/server/config.js
+++ b/server/config.js
@@ -175,7 +175,8 @@ const conf = convict({
   },
   custom_description: {
     format: String,
-    default: 'Encrypt and send files with a link that automatically expires to ensure your important documents don’t stay online forever.',
+    default:
+      'Encrypt and send files with a link that automatically expires to ensure your important documents don’t stay online forever.',
     env: 'CUSTOM_DESCRIPTION'
   },
   detect_base_url: {
@@ -263,6 +264,16 @@ const conf = convict({
     default: '',
     env: 'CUSTOM_FOOTER_URL'
   },
+  upload_area_warning_html: {
+    format: String,
+    default: '',
+    env: 'SEND_UPLOAD_AREA_WARNING_HTML'
+  },
+  download_warning_html: {
+    format: String,
+    default: '',
+    env: 'SEND_DOWNLOAD_WARNING_HTML'
+  },
   ui_color_primary: {
     format: String,
     default: '#0a84ff',