Laravel 401 UNAUTHORIZED 中的 POST 请求

【问题标题】：POST request in Laravel 401 UNAUTHORIZEDLaravel 401 UNAUTHORIZED 中的 POST 请求
【发布时间】：2020-05-08 20:11:53
【问题描述】：

尝试使用 mailgun 驱动程序从 Laravel 7 发送邮件时出现以下错误。

Client error: `POST https://api.eu.mailgun.net/v3/mail.firstdomain.com/messages.mime` resulted in a `401 UNAUTHORIZED` response: Forbidden
C:\laragon\www\lara7\vendor\guzzlehttp\guzzle\src\Exception\RequestException.php#113
GuzzleHttp\Exception\ClientException

它以前工作过，但我不记得在什么时候出现了错误。

在我遇到 mailgun 的一个问题之前。就像我在调试栏中看到的那样发送了邮件，但随后它没有传递给收件人。 问题是 FROM 字段为空，并且在 mailgun 帐户中，这些消息位于 BOUNCE 列表中而没有移动。 现在 mailgun 端没有任何阻塞。我认为它们在 Laravel 内部的某个地方被阻止了。

这是我的代码

routes\web.php

Route::post('/mymail', 'MainController@mymail')->name('mymail');

.env

MAIL_MAILER=mailgun
MAIL_FROM_ADDRESS=noreply@firstdomain.com
MAIL_FROM_NAME="robot name"
MAIL_TO_ADDRESS=user@seconddomain.com
MAIL_TO_NAME="TO name"
MAIL_REPLY_TO_ADDRESS=abc@seconddomain.com
MAIL_REPLY_TO_NAME="my name"
MAILGUN_DOMAIN=mail.firstdomain.com
MAILGUN_SECRET=mysecret
MAILGUN_ENDPOINT=api.eu.mailgun.net

**config\mail.php*

    'default' => env('MAIL_MAILER', 'mailgun'),
    'mailers' => [
        'mailgun' => [
            'transport' => 'mailgun',
        ],
    'from' => [
        'address' => env('MAIL_FROM_ADDRESS', 'hello@example.com'),
        'name' => env('MAIL_FROM_NAME', 'Example'),
    ],
    'to' => [
        'address' => env('MAIL_TO_ADDRESS'),
        'name' => env('MAIL_TO_NAME'),
    ],
    'reply_to' => [
        'address' => env('MAIL_REPLY_TO_ADDRESS'),
        'name' => env('APP_NAME')
    ],

**App\Http\Controllers\MainController.php*

namespace App\Http\Controllers;

use App\Mail\Mymail;
use App\Http\Requests\MymailRequest;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Mail;

class MainController extends Controller
{

    public function mymail(MymailRequest $request) {

        Mail::to( 'user@seconddomain.com' )->send(new Mymail());
        return [
            'message' => 'Sent!', 
                ];
    }
}

App\Mail\Mymail.php

namespace App\Mail;

use Illuminate\Http\Request;
use App\Http\Requests\MymailRequest;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Mail\Mailable;
use Illuminate\Queue\SerializesModels;

class Mymail extends Mailable
{
    use Queueable, SerializesModels;

    public $subject = 'My test mail';

    public function __construct()
    {

    }

    public function build(MymailRequest $request)
    {
        $this->from('noreply@firstdomain.com')->view('mail.mymail')->withRequest($request);
    }
}

App\Http\Requests\MymailRequest.php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

class MymailRequest extends FormRequest
{

    public function authorize()
    {
        return true;
    }

    public function rules()
    {
        return [
            'name' => 'required',
            'phone' => 'required'

        ];
    }
}

资源\视图\邮件\mymail.blade.php

<p>{{ $request->currentUrl }}</p>
<p>{{ $request->name }}</p>
<p>{{ $request->phone }}</p>

这是来自 chrome 开发工具网络选项卡的响应

{
    "message": "Client error: `POST https://api.eu.mailgun.net/v3/mail.firstdomain.com/messages.mime` resulted in a `401 UNAUTHORIZED` response:\nForbidden\n",
    "exception": "GuzzleHttp\\Exception\\ClientException",
    "file": "C:\\laragon\\www\\lara7\\vendor\\guzzlehttp\\guzzle\\src\\Exception\\RequestException.php",
    "line": 113,
    "trace": [
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\guzzlehttp\\guzzle\\src\\Middleware.php",
            "line": 65,
            "function": "create",
            "class": "GuzzleHttp\\Exception\\RequestException",
            "type": "::"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\guzzlehttp\\promises\\src\\Promise.php",
            "line": 203,
            "function": "GuzzleHttp\\{closure}",
            "class": "GuzzleHttp\\Middleware",
            "type": "::"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\guzzlehttp\\promises\\src\\Promise.php",
            "line": 156,
            "function": "callHandler",
            "class": "GuzzleHttp\\Promise\\Promise",
            "type": "::"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\guzzlehttp\\promises\\src\\TaskQueue.php",
            "line": 47,
            "function": "GuzzleHttp\\Promise\\{closure}",
            "class": "GuzzleHttp\\Promise\\Promise",
            "type": "::"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\guzzlehttp\\promises\\src\\Promise.php",
            "line": 246,
            "function": "run",
            "class": "GuzzleHttp\\Promise\\TaskQueue",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\guzzlehttp\\promises\\src\\Promise.php",
            "line": 223,
            "function": "invokeWaitFn",
            "class": "GuzzleHttp\\Promise\\Promise",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\guzzlehttp\\promises\\src\\Promise.php",
            "line": 267,
            "function": "waitIfPending",
            "class": "GuzzleHttp\\Promise\\Promise",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\guzzlehttp\\promises\\src\\Promise.php",
            "line": 225,
            "function": "invokeWaitList",
            "class": "GuzzleHttp\\Promise\\Promise",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\guzzlehttp\\promises\\src\\Promise.php",
            "line": 62,
            "function": "waitIfPending",
            "class": "GuzzleHttp\\Promise\\Promise",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\guzzlehttp\\guzzle\\src\\Client.php",
            "line": 183,
            "function": "wait",
            "class": "GuzzleHttp\\Promise\\Promise",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Mail\\Transport\\MailgunTransport.php",
            "line": 72,
            "function": "request",
            "class": "GuzzleHttp\\Client",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\swiftmailer\\swiftmailer\\lib\\classes\\Swift\\Mailer.php",
            "line": 71,
            "function": "send",
            "class": "Illuminate\\Mail\\Transport\\MailgunTransport",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Mail\\Mailer.php",
            "line": 519,
            "function": "send",
            "class": "Swift_Mailer",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Mail\\Mailer.php",
            "line": 288,
            "function": "sendSwiftMessage",
            "class": "Illuminate\\Mail\\Mailer",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Mail\\Mailable.php",
            "line": 170,
            "function": "send",
            "class": "Illuminate\\Mail\\Mailer",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Support\\Traits\\Localizable.php",
            "line": 19,
            "function": "Illuminate\\Mail\\{closure}",
            "class": "Illuminate\\Mail\\Mailable",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Mail\\Mailable.php",
            "line": 171,
            "function": "withLocale",
            "class": "Illuminate\\Mail\\Mailable",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Mail\\Mailer.php",
            "line": 304,
            "function": "send",
            "class": "Illuminate\\Mail\\Mailable",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Mail\\Mailer.php",
            "line": 258,
            "function": "sendMailable",
            "class": "Illuminate\\Mail\\Mailer",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Mail\\PendingMail.php",
            "line": 122,
            "function": "send",
            "class": "Illuminate\\Mail\\Mailer",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\app\\Http\\Controllers\\MainController.php",
            "line": 48,
            "function": "send",
            "class": "Illuminate\\Mail\\PendingMail",
            "type": "->"
        },
        {
            "function": "freezamer",
            "class": "App\\Http\\Controllers\\MainController",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Controller.php",
            "line": 54,
            "function": "call_user_func_array"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\ControllerDispatcher.php",
            "line": 45,
            "function": "callAction",
            "class": "Illuminate\\Routing\\Controller",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Route.php",
            "line": 225,
            "function": "dispatch",
            "class": "Illuminate\\Routing\\ControllerDispatcher",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Route.php",
            "line": 182,
            "function": "runController",
            "class": "Illuminate\\Routing\\Route",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Router.php",
            "line": 685,
            "function": "run",
            "class": "Illuminate\\Routing\\Route",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
            "line": 128,
            "function": "Illuminate\\Routing\\{closure}",
            "class": "Illuminate\\Routing\\Router",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Middleware\\SubstituteBindings.php",
            "line": 41,
            "function": "Illuminate\\Pipeline\\{closure}",
            "class": "Illuminate\\Pipeline\\Pipeline",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
            "line": 167,
            "function": "handle",
            "class": "Illuminate\\Routing\\Middleware\\SubstituteBindings",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Middleware\\VerifyCsrfToken.php",
            "line": 76,
            "function": "Illuminate\\Pipeline\\{closure}",
            "class": "Illuminate\\Pipeline\\Pipeline",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
            "line": 167,
            "function": "handle",
            "class": "Illuminate\\Foundation\\Http\\Middleware\\VerifyCsrfToken",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\View\\Middleware\\ShareErrorsFromSession.php",
            "line": 49,
            "function": "Illuminate\\Pipeline\\{closure}",
            "class": "Illuminate\\Pipeline\\Pipeline",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
            "line": 167,
            "function": "handle",
            "class": "Illuminate\\View\\Middleware\\ShareErrorsFromSession",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Session\\Middleware\\StartSession.php",
            "line": 56,
            "function": "Illuminate\\Pipeline\\{closure}",
            "class": "Illuminate\\Pipeline\\Pipeline",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
            "line": 167,
            "function": "handle",
            "class": "Illuminate\\Session\\Middleware\\StartSession",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Cookie\\Middleware\\AddQueuedCookiesToResponse.php",
            "line": 37,
            "function": "Illuminate\\Pipeline\\{closure}",
            "class": "Illuminate\\Pipeline\\Pipeline",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
            "line": 167,
            "function": "handle",
            "class": "Illuminate\\Cookie\\Middleware\\AddQueuedCookiesToResponse",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Cookie\\Middleware\\EncryptCookies.php",
            "line": 66,
            "function": "Illuminate\\Pipeline\\{closure}",
            "class": "Illuminate\\Pipeline\\Pipeline",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
            "line": 167,
            "function": "handle",
            "class": "Illuminate\\Cookie\\Middleware\\EncryptCookies",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
            "line": 103,
            "function": "Illuminate\\Pipeline\\{closure}",
            "class": "Illuminate\\Pipeline\\Pipeline",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Router.php",
            "line": 687,
            "function": "then",
            "class": "Illuminate\\Pipeline\\Pipeline",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Router.php",
            "line": 662,
            "function": "runRouteWithinStack",
            "class": "Illuminate\\Routing\\Router",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Router.php",
            "line": 628,
            "function": "runRoute",
            "class": "Illuminate\\Routing\\Router",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Routing\\Router.php",
            "line": 617,
            "function": "dispatchToRoute",
            "class": "Illuminate\\Routing\\Router",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Kernel.php",
            "line": 165,
            "function": "dispatch",
            "class": "Illuminate\\Routing\\Router",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
            "line": 128,
            "function": "Illuminate\\Foundation\\Http\\{closure}",
            "class": "Illuminate\\Foundation\\Http\\Kernel",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\barryvdh\\laravel-debugbar\\src\\Middleware\\InjectDebugbar.php",
            "line": 65,
            "function": "Illuminate\\Pipeline\\{closure}",
            "class": "Illuminate\\Pipeline\\Pipeline",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
            "line": 167,
            "function": "handle",
            "class": "Barryvdh\\Debugbar\\Middleware\\InjectDebugbar",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest.php",
            "line": 21,
            "function": "Illuminate\\Pipeline\\{closure}",
            "class": "Illuminate\\Pipeline\\Pipeline",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
            "line": 167,
            "function": "handle",
            "class": "Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest.php",
            "line": 21,
            "function": "Illuminate\\Pipeline\\{closure}",
            "class": "Illuminate\\Pipeline\\Pipeline",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
            "line": 167,
            "function": "handle",
            "class": "Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Middleware\\ValidatePostSize.php",
            "line": 27,
            "function": "Illuminate\\Pipeline\\{closure}",
            "class": "Illuminate\\Pipeline\\Pipeline",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
            "line": 167,
            "function": "handle",
            "class": "Illuminate\\Foundation\\Http\\Middleware\\ValidatePostSize",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Middleware\\CheckForMaintenanceMode.php",
            "line": 63,
            "function": "Illuminate\\Pipeline\\{closure}",
            "class": "Illuminate\\Pipeline\\Pipeline",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
            "line": 167,
            "function": "handle",
            "class": "Illuminate\\Foundation\\Http\\Middleware\\CheckForMaintenanceMode",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\fruitcake\\laravel-cors\\src\\HandleCors.php",
            "line": 37,
            "function": "Illuminate\\Pipeline\\{closure}",
            "class": "Illuminate\\Pipeline\\Pipeline",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
            "line": 167,
            "function": "handle",
            "class": "Fruitcake\\Cors\\HandleCors",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\fideloper\\proxy\\src\\TrustProxies.php",
            "line": 57,
            "function": "Illuminate\\Pipeline\\{closure}",
            "class": "Illuminate\\Pipeline\\Pipeline",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
            "line": 167,
            "function": "handle",
            "class": "Fideloper\\Proxy\\TrustProxies",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Pipeline\\Pipeline.php",
            "line": 103,
            "function": "Illuminate\\Pipeline\\{closure}",
            "class": "Illuminate\\Pipeline\\Pipeline",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Kernel.php",
            "line": 140,
            "function": "then",
            "class": "Illuminate\\Pipeline\\Pipeline",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\vendor\\laravel\\framework\\src\\Illuminate\\Foundation\\Http\\Kernel.php",
            "line": 109,
            "function": "sendRequestThroughRouter",
            "class": "Illuminate\\Foundation\\Http\\Kernel",
            "type": "->"
        },
        {
            "file": "C:\\laragon\\www\\lara7\\public\\index.php",
            "line": 55,
            "function": "handle",
            "class": "Illuminate\\Foundation\\Http\\Kernel",
            "type": "->"
        }
    ]
}

【问题讨论】：

  • I think they are blocked somewhere inside Laravel - 你为什么这么认为？ 401 来自远程 API，对吗？这里有一些重复的错误消息，它们有帮助吗？例如stackoverflow.com/questions/43415563/…
  • 我不认为这是问题所在，但仅供参考，您配置的 reply_to name 看起来错误 - 您没有使用您在 .env 中设置的 MAIL_REPLY_TO_NAME。您没有向我们展示 env('APP_NAME') 是什么，但即使它是空白的，我想它也应该可以工作。
  • APP_NAME="my host name"

标签： laravel email guzzle


【解决方案1】：

根据 Mailgun 文档：https://documentation.mailgun.com/en/latest/api-intro.html#errors

401 Unauthorized - 未提供有效的 API 密钥

确保您使用的是有效的 API 密钥 - 或者如果您使用的是 Sandbox，则发送到注册的电子邮件地址。

【讨论】：

  • 没有提供有效的 API 密钥 - 不可能，因为我刚刚从另一个 laravel 安装中复制了所有 mailgun 设置。我现在在一台 PC 上有 2 个 lara 项目，在 env 文件中具有相同的 mailgun 设置。从一个项目我可以轻松发送邮件，而从另一个项目我收到 401 错误。
  • 两个项目是否使用相同的域？
  • 在mailgun中我只注册了一个域。因此，在这两个项目中，我使用完全相同的设置。但我不认为 mailgun 可以将它们区分为不同的应用程序，因为它们位于一台本地 PC 上。
【解决方案2】：

将您的服务器 IP 列入白名单后尝试：

Mailgun Dashboard > Settings > API Keys > API Security IP Whitelist

添加后，可能需要几分钟才能激活，之后您应该可以从您的 laravel 应用发送电子邮件

【讨论】：

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