diff --git a/app/api/fetch-ical/route.ts b/app/api/fetch-ical/route.ts
index 63fd7a87c..c90b2cec8 100644
--- a/app/api/fetch-ical/route.ts
+++ b/app/api/fetch-ical/route.ts
@@ -101,7 +101,7 @@ export async function POST(request: NextRequest) {
     for (let i = 0; i <= MAX_REDIRECTS; i++) {
       const headers: Record<string, string> = {
         'Accept': 'text/calendar, application/ics, text/plain, */*',
-        'User-Agent': 'JMAP-Webmail/1.0 Calendar-Fetcher',
+        'User-Agent': 'Bulwark-Webmail-Calendar (+https://bulwarkmail.org)',
       };
       if (authHeader && new URL(currentUrl).origin === originalOrigin) {
         headers['Authorization'] = authHeader;
diff --git a/app/api/translate/route.ts b/app/api/translate/route.ts
index 7507303f6..c53e0bcb0 100644
--- a/app/api/translate/route.ts
+++ b/app/api/translate/route.ts
@@ -176,7 +176,7 @@ async function mymemoryRequest(
 
   const res = await fetch(url.toString(), {
     signal,
-    headers: { 'User-Agent': 'JMAP-Webmail/1.0 Translate-Plugin' },
+    headers: { 'User-Agent': 'Bulwark-Webmail-Translate (+https://bulwarkmail.org)' },
   });
   const data = (await res.json().catch(() => null)) as
     | { responseStatus?: number | string; responseData?: { translatedText?: string }; responseDetails?: string }
diff --git a/app/manifest.ts b/app/manifest.ts
index 4e878bdd1..1a06f3b58 100644
--- a/app/manifest.ts
+++ b/app/manifest.ts
@@ -51,7 +51,7 @@ export default async function manifest(): Promise<ExtendedManifest> {
   const shortName = branded<string>("appShortName", "") || appName;
   const description =
     branded<string>("appDescription", "") ||
-    "A modern webmail client built for Stalwart Mail Server";
+    "Self-hosted webmail for mail, calendar, contacts and files, built on JMAP";
   const themeColor = branded<string>("pwaThemeColor", "") || "#ffffff";
   const backgroundColor = branded<string>("pwaBackgroundColor", "") || "#ffffff";
 
diff --git a/lib/__tests__/fetch-ical-route.test.ts b/lib/__tests__/fetch-ical-route.test.ts
index 35a8bede8..7a4db9d42 100644
--- a/lib/__tests__/fetch-ical-route.test.ts
+++ b/lib/__tests__/fetch-ical-route.test.ts
@@ -125,7 +125,7 @@ describe('POST /api/fetch-ical', () => {
     expect(guardedFetch).toHaveBeenCalledTimes(1);
     expect(guardedFetch).toHaveBeenCalledWith(
       'https://calendar.example.com/feed.ics',
-      expect.objectContaining({ headers: expect.objectContaining({ 'User-Agent': 'JMAP-Webmail/1.0 Calendar-Fetcher' }) }),
+      expect.objectContaining({ headers: expect.objectContaining({ 'User-Agent': 'Bulwark-Webmail-Calendar (+https://bulwarkmail.org)' }) }),
     );
   });
 
diff --git a/lib/__tests__/vcard.test.ts b/lib/__tests__/vcard.test.ts
index b996a0d74..5f956778a 100644
--- a/lib/__tests__/vcard.test.ts
+++ b/lib/__tests__/vcard.test.ts
@@ -575,7 +575,7 @@ describe("vCard 4.0 export (issue #1407)", () => {
     expect(vcf).toBe([
       "BEGIN:VCARD",
       "VERSION:4.0",
-      "PRODID:-//JMAP-Webmail//EN",
+      "PRODID:-//Bulwark Mail//Bulwark Webmail//EN",
       "UID;VALUE=text:sabre-vobject-5e64d0ac-69da-4393-bfe4-87844b9a7db6",
       "REV:20250728T121700Z",
       "N:Doe;Jane;;;",
diff --git a/lib/calendar-ics-export.ts b/lib/calendar-ics-export.ts
index 83c1c0f2e..795147bae 100644
--- a/lib/calendar-ics-export.ts
+++ b/lib/calendar-ics-export.ts
@@ -116,7 +116,7 @@ export function eventToICS(event: CalendarEvent): string {
   const now = formatNow();
   const lines: string[] = [
     "BEGIN:VCALENDAR",
-    "PRODID:-//JMAP-Webmail//EN",
+    "PRODID:-//Bulwark Mail//Bulwark Webmail//EN",
     "VERSION:2.0",
     "CALSCALE:GREGORIAN",
     "METHOD:PUBLISH",
diff --git a/lib/jmap/client.ts b/lib/jmap/client.ts
index 54e40b8fc..285bd9569 100644
--- a/lib/jmap/client.ts
+++ b/lib/jmap/client.ts
@@ -5318,7 +5318,7 @@ export class JMAPClient implements IJMAPClient {
 
     const lines: string[] = [
       'BEGIN:VCALENDAR',
-      'PRODID:-//JMAP-Webmail//EN',
+      'PRODID:-//Bulwark Mail//Bulwark Webmail//EN',
       'VERSION:2.0',
       'CALSCALE:GREGORIAN',
       'METHOD:REPLY',
@@ -5507,7 +5507,7 @@ export class JMAPClient implements IJMAPClient {
 
     const lines: string[] = [
       'BEGIN:VCALENDAR',
-      'PRODID:-//JMAP-Webmail//EN',
+      'PRODID:-//Bulwark Mail//Bulwark Webmail//EN',
       'VERSION:2.0',
       'CALSCALE:GREGORIAN',
       'METHOD:REQUEST',
@@ -5685,7 +5685,7 @@ export class JMAPClient implements IJMAPClient {
 
     const lines: string[] = [
       'BEGIN:VCALENDAR',
-      'PRODID:-//JMAP-Webmail//EN',
+      'PRODID:-//Bulwark Mail//Bulwark Webmail//EN',
       'VERSION:2.0',
       'CALSCALE:GREGORIAN',
       'METHOD:CANCEL',
diff --git a/lib/vcard.ts b/lib/vcard.ts
index ea664a802..b52d69aca 100644
--- a/lib/vcard.ts
+++ b/lib/vcard.ts
@@ -1178,7 +1178,7 @@ function buildContact(raw: Record<string, string[]>): ContactCard | null {
 
 // PRODID names the product that wrote the file, not the one that first made
 // the card, so the card's own prodId is not written back.
-const VCARD_PRODID = "-//JMAP-Webmail//EN";
+const VCARD_PRODID = "-//Bulwark Mail//Bulwark Webmail//EN";
 
 function hasUriScheme(value: string): boolean {
   return /^[a-z][a-z0-9+.-]*:/i.test(value);
diff --git a/package.json b/package.json
index d51009a05..58bd3c4ff 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "bulwark-webmail",
   "version": "1.19.1",
-  "description": "Bulwark Webmail - a modern webmail client built for Stalwart Mail Server",
+  "description": "Bulwark Webmail: self-hosted webmail for mail, calendar, contacts and files, built on JMAP",
   "author": "Bulwark Mail <dev@bulwarkmail.org>",
   "license": "AGPL-3.0-only",
   "repository": {