diff --git a/apps/browser/src/_locales/en/messages.json b/apps/browser/src/_locales/en/messages.json
index 9360524da1d..828cca3c855 100644
--- a/apps/browser/src/_locales/en/messages.json
+++ b/apps/browser/src/_locales/en/messages.json
@@ -2177,6 +2177,108 @@
   "forwardedEmailDesc": {
     "message": "Generate an email alias with an external forwarding service."
   },
+  "forwarderError": {
+    "message": "$SERVICENAME$ error: $ERRORMESSAGE$",
+    "description": "Reports an error returned by a forwarding service to the user.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      },
+      "errormessage": {
+        "content": "$2",
+        "example": "Invalid characters in domain name."
+      }
+    }
+  },
+  "forwarderGeneratedBy": {
+    "message": "Generated by Bitwarden.",
+    "description": "Displayed with the address on the forwarding service's configuration screen."
+  },
+  "forwarderGeneratedByWithWebsite": {
+    "message": "Website: $WEBSITE$. Generated by Bitwarden.",
+    "description": "Displayed with the address on the forwarding service's configuration screen.",
+    "placeholders": {
+      "WEBSITE": {
+        "content": "$1",
+        "example": "www.example.com"
+      }
+    }
+  },
+  "forwaderInvalidToken": {
+    "message": "Invalid $SERVICENAME$ API token",
+    "description": "Displayed when the user's API token is empty or rejected by the forwarding service.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwaderInvalidTokenWithMessage": {
+    "message": "Invalid $SERVICENAME$ API token: $ERRORMESSAGE$",
+    "description": "Displayed when the user's API token is rejected by the forwarding service with an error message.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      },
+      "errormessage": {
+        "content": "$2",
+        "example": "Please verify your email address to continue."
+      }
+    }
+  },
+  "forwarderNoAccountId": {
+    "message": "Unable to obtain $SERVICENAME$ masked email account ID.",
+    "description": "Displayed when the forwarding service fails to return an account ID.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwarderNoDomain": {
+    "message": "Invalid $SERVICENAME$ domain.",
+    "description": "Displayed when the domain is empty or domain authorization failed at the forwarding service.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwarderNoUrl": {
+    "message": "Invalid $SERVICENAME$ url.",
+    "description": "Displayed when the url of the forwarding service wasn't supplied.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwarderUnknownError": {
+    "message": "Unknown $SERVICENAME$ error occurred.",
+    "description": "Displayed when the forwarding service failed due to an unknown error.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwarderUnknownForwarder": {
+    "message": "Unknown forwarder: '$SERVICENAME$'.",
+    "description": "Displayed when the forwarding service is not supported.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "JustTrust.us"
+      }
+    }
+  },
   "hostname": {
     "message": "Hostname",
     "description": "Part of a URL."
@@ -3037,7 +3139,7 @@
   },
   "notifications": {
     "message": "Notifications"
-  }, 
+  },
   "appearance": {
     "message": "Appearance"
   },
diff --git a/apps/cli/src/locales/en/messages.json b/apps/cli/src/locales/en/messages.json
index 8364e0b3280..3f753781127 100644
--- a/apps/cli/src/locales/en/messages.json
+++ b/apps/cli/src/locales/en/messages.json
@@ -58,5 +58,107 @@
   },
   "errorAssigningTargetFolder": {
     "message": "Error assigning target folder."
+  },
+  "forwarderError": {
+    "message": "$SERVICENAME$ error: $ERRORMESSAGE$",
+    "description": "Reports an error returned by a forwarding service to the user.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      },
+      "errormessage": {
+        "content": "$2",
+        "example": "Invalid characters in domain name."
+      }
+    }
+  },
+  "forwarderGeneratedBy": {
+    "message": "Generated by Bitwarden.",
+    "description": "Displayed with the address on the forwarding service's configuration screen."
+  },
+  "forwarderGeneratedByWithWebsite": {
+    "message": "Website: $WEBSITE$. Generated by Bitwarden.",
+    "description": "Displayed with the address on the forwarding service's configuration screen.",
+    "placeholders": {
+      "WEBSITE": {
+        "content": "$1",
+        "example": "www.example.com"
+      }
+    }
+  },
+  "forwaderInvalidToken": {
+    "message": "Invalid $SERVICENAME$ API token",
+    "description": "Displayed when the user's API token is empty or rejected by the forwarding service.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwaderInvalidTokenWithMessage": {
+    "message": "Invalid $SERVICENAME$ API token: $ERRORMESSAGE$",
+    "description": "Displayed when the user's API token is rejected by the forwarding service with an error message.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      },
+      "errormessage": {
+        "content": "$2",
+        "example": "Please verify your email address to continue."
+      }
+    }
+  },
+  "forwarderNoAccountId": {
+    "message": "Unable to obtain $SERVICENAME$ masked email account ID.",
+    "description": "Displayed when the forwarding service fails to return an account ID.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwarderNoDomain": {
+    "message": "Invalid $SERVICENAME$ domain.",
+    "description": "Displayed when the domain is empty or domain authorization failed at the forwarding service.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwarderNoUrl": {
+    "message": "Invalid $SERVICENAME$ url.",
+    "description": "Displayed when the url of the forwarding service wasn't supplied.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwarderUnknownError": {
+    "message": "Unknown $SERVICENAME$ error occurred.",
+    "description": "Displayed when the forwarding service failed due to an unknown error.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwarderUnknownForwarder": {
+    "message": "Unknown forwarder: '$SERVICENAME$'.",
+    "description": "Displayed when the forwarding service is not supported.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "JustTrust.us"
+      }
+    }
   }
 }
diff --git a/apps/desktop/src/locales/en/messages.json b/apps/desktop/src/locales/en/messages.json
index ff9cbc97ccb..9348b8dc0fa 100644
--- a/apps/desktop/src/locales/en/messages.json
+++ b/apps/desktop/src/locales/en/messages.json
@@ -2132,6 +2132,108 @@
   "forwardedEmailDesc": {
     "message": "Generate an email alias with an external forwarding service."
   },
+  "forwarderError": {
+    "message": "$SERVICENAME$ error: $ERRORMESSAGE$",
+    "description": "Reports an error returned by a forwarding service to the user.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      },
+      "errormessage": {
+        "content": "$2",
+        "example": "Invalid characters in domain name."
+      }
+    }
+  },
+  "forwarderGeneratedBy": {
+    "message": "Generated by Bitwarden.",
+    "description": "Displayed with the address on the forwarding service's configuration screen."
+  },
+  "forwarderGeneratedByWithWebsite": {
+    "message": "Website: $WEBSITE$. Generated by Bitwarden.",
+    "description": "Displayed with the address on the forwarding service's configuration screen.",
+    "placeholders": {
+      "WEBSITE": {
+        "content": "$1",
+        "example": "www.example.com"
+      }
+    }
+  },
+  "forwaderInvalidToken": {
+    "message": "Invalid $SERVICENAME$ API token",
+    "description": "Displayed when the user's API token is empty or rejected by the forwarding service.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwaderInvalidTokenWithMessage": {
+    "message": "Invalid $SERVICENAME$ API token: $ERRORMESSAGE$",
+    "description": "Displayed when the user's API token is rejected by the forwarding service with an error message.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      },
+      "errormessage": {
+        "content": "$2",
+        "example": "Please verify your email address to continue."
+      }
+    }
+  },
+  "forwarderNoAccountId": {
+    "message": "Unable to obtain $SERVICENAME$ masked email account ID.",
+    "description": "Displayed when the forwarding service fails to return an account ID.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwarderNoDomain": {
+    "message": "Invalid $SERVICENAME$ domain.",
+    "description": "Displayed when the domain is empty or domain authorization failed at the forwarding service.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwarderNoUrl": {
+    "message": "Invalid $SERVICENAME$ url.",
+    "description": "Displayed when the url of the forwarding service wasn't supplied.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwarderUnknownError": {
+    "message": "Unknown $SERVICENAME$ error occurred.",
+    "description": "Displayed when the forwarding service failed due to an unknown error.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwarderUnknownForwarder": {
+    "message": "Unknown forwarder: '$SERVICENAME$'.",
+    "description": "Displayed when the forwarding service is not supported.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "JustTrust.us"
+      }
+    }
+  },
   "hostname": {
     "message": "Hostname",
     "description": "Part of a URL."
diff --git a/apps/web/src/locales/en/messages.json b/apps/web/src/locales/en/messages.json
index 8d3a76c790e..c626c3c80ea 100644
--- a/apps/web/src/locales/en/messages.json
+++ b/apps/web/src/locales/en/messages.json
@@ -5808,6 +5808,108 @@
   "forwardedEmailDesc": {
     "message": "Generate an email alias with an external forwarding service."
   },
+  "forwarderError": {
+    "message": "$SERVICENAME$ error: $ERRORMESSAGE$",
+    "description": "Reports an error returned by a forwarding service to the user.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      },
+      "errormessage": {
+        "content": "$2",
+        "example": "Invalid characters in domain name."
+      }
+    }
+  },
+  "forwarderGeneratedBy": {
+    "message": "Generated by Bitwarden.",
+    "description": "Displayed with the address on the forwarding service's configuration screen."
+  },
+  "forwarderGeneratedByWithWebsite": {
+    "message": "Website: $WEBSITE$. Generated by Bitwarden.",
+    "description": "Displayed with the address on the forwarding service's configuration screen.",
+    "placeholders": {
+      "WEBSITE": {
+        "content": "$1",
+        "example": "www.example.com"
+      }
+    }
+  },
+  "forwaderInvalidToken": {
+    "message": "Invalid $SERVICENAME$ API token",
+    "description": "Displayed when the user's API token is empty or rejected by the forwarding service.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwaderInvalidTokenWithMessage": {
+    "message": "Invalid $SERVICENAME$ API token: $ERRORMESSAGE$",
+    "description": "Displayed when the user's API token is rejected by the forwarding service with an error message.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      },
+      "errormessage": {
+        "content": "$2",
+        "example": "Please verify your email address to continue."
+      }
+    }
+  },
+  "forwarderNoAccountId": {
+    "message": "Unable to obtain $SERVICENAME$ masked email account ID.",
+    "description": "Displayed when the forwarding service fails to return an account ID.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwarderNoDomain": {
+    "message": "Invalid $SERVICENAME$ domain.",
+    "description": "Displayed when the domain is empty or domain authorization failed at the forwarding service.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwarderNoUrl": {
+    "message": "Invalid $SERVICENAME$ url.",
+    "description": "Displayed when the url of the forwarding service wasn't supplied.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwarderUnknownError": {
+    "message": "Unknown $SERVICENAME$ error occurred.",
+    "description": "Displayed when the forwarding service failed due to an unknown error.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "SimpleLogin"
+      }
+    }
+  },
+  "forwarderUnknownForwarder": {
+    "message": "Unknown forwarder: '$SERVICENAME$'.",
+    "description": "Displayed when the forwarding service is not supported.",
+    "placeholders": {
+      "servicename": {
+        "content": "$1",
+        "example": "JustTrust.us"
+      }
+    }
+  },
   "hostname": {
     "message": "Hostname",
     "description": "Part of a URL."