SMTP
จำลองการตอบสนอง 553 Mailbox Name Invalid
The requested action was not taken because the mailbox name is syntactically incorrect. The email address does not conform to the expected format.
ดูเอกสารอ้างอิงฉบับเต็ม →1 การตอบสนอง HTTP
HTTP/1.1 553 Mailbox Name Invalid
Content-Type: application/json
Date: Tue, 25 Feb 2026 12:00:00 GMT
Content-Length: 60
{
"error": "server_error",
"message": "Mailbox Name Invalid"
}
2 ทดสอบด้วย curl
curl -i https://httpbin.org/status/553
3 ส่งคืน 553 Mailbox Name Invalid ในเฟรมเวิร์กของคุณ
django
from django.http import JsonResponse
def my_view(request):
return JsonResponse(
{"error": "server_error", "message": "Mailbox Name Invalid"},
status=553,
)
flask
from flask import Flask, jsonify
app = Flask(__name__)
@app.route("/endpoint")
def my_endpoint():
return jsonify({"error": "server_error", "message": "Mailbox Name Invalid"}), 553
fastapi
from fastapi import FastAPI
from fastapi.responses import JSONResponse
app = FastAPI()
@app.get("/endpoint")
def my_endpoint():
return JSONResponse(
content={"error": "server_error", "message": "Mailbox Name Invalid"},
status_code=553,
)
express.js
// Express.js
app.get('/endpoint', (req, res) => {
res.status(553).json({"error": "server_error", "message": "Mailbox Name Invalid"});
});
spring boot
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import java.util.Map;
@RestController
public class MyController {
@GetMapping("/endpoint")
public ResponseEntity<Map<String, Object>> myEndpoint() {
return ResponseEntity
.status(553)
.body(Map.of("error", "mailbox_name_invalid",
"message", "Mailbox Name Invalid"));
}
}
go net/http
package main
import (
"encoding/json"
"net/http"
)
func myHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(553)
json.NewEncoder(w).Encode(map[string]string{
"error": "mailbox_name_invalid",
"message": "Mailbox Name Invalid",
})
}
ruby on rails
class MyController < ApplicationController
def my_action
render json: {"error": "server_error", "message": "Mailbox Name Invalid"},
status: :mailbox_name_invalid
end
end
asp.net core
// ASP.NET Core Minimal API
app.MapGet("/endpoint", () =>
Results.Json(
new { error = "mailbox_name_invalid", message = "Mailbox Name Invalid" },
statusCode: 553
)
);