diff --git a/apps/web/src/messages/de.json b/apps/web/src/messages/de.json
index b97341d..e53cf4f 100644
--- a/apps/web/src/messages/de.json
+++ b/apps/web/src/messages/de.json
@@ -218,6 +218,11 @@
       "formFieldDomain": "Domäne",
       "formFieldDomainHint": "Optional – nur nötig, wenn Ihr Exchange-Server die Anmeldung als DOMÄNE\\Benutzer erwartet.",
       "formFieldUrl": "Adresse (URL)",
+      "formFieldUrlPlaceholderEws": "https://mail.firma.de/EWS/Exchange.asmx",
+      "formFieldUrlPlaceholderGraph": "https://graph.microsoft.com/v1.0",
+      "formFieldUrlPlaceholderCaldav": "https://caldav.firma.de/dav/",
+      "formFieldUrlPlaceholderIcs": "https://…/kalender.ics",
+      "formFieldUrlHintEws": "Vollständige EWS-Adresse inkl. /EWS/Exchange.asmx eintragen – nur der Servername reicht nicht.",
       "formFieldUsername": "Benutzername",
       "formFieldPassword": "Passwort",
       "formFieldColor": "Farbe",
diff --git a/apps/web/src/messages/en.json b/apps/web/src/messages/en.json
index af9c7ee..b4ab0e9 100644
--- a/apps/web/src/messages/en.json
+++ b/apps/web/src/messages/en.json
@@ -218,6 +218,11 @@
       "formFieldDomain": "Domain",
       "formFieldDomainHint": "Optional – only needed if your Exchange server expects DOMAIN\\user for sign-in.",
       "formFieldUrl": "Address (URL)",
+      "formFieldUrlPlaceholderEws": "https://mail.firma.de/EWS/Exchange.asmx",
+      "formFieldUrlPlaceholderGraph": "https://graph.microsoft.com/v1.0",
+      "formFieldUrlPlaceholderCaldav": "https://caldav.firma.de/dav/",
+      "formFieldUrlPlaceholderIcs": "https://…/kalender.ics",
+      "formFieldUrlHintEws": "Enter the full EWS address including /EWS/Exchange.asmx – the server name alone is not enough.",
       "formFieldUsername": "Username",
       "formFieldPassword": "Password",
       "formFieldColor": "Color",