Failed to authenticate on SMTP server with username "hello@example.com" using the following authenticators: "LOGIN", "PLAIN". Authenticator "LOGIN" returned "Expected response code "235" but got code "535", with message "535 Authentication failed".".

// below is the .env file and the email sender screen file MAIL_MAILER=smtp MAIL_HOST=smtp.mailgun.org MAIL_PORT=587 MAIL_USERNAME=hello@example.com MAIL_PASSWORD=mypassword MAIL_ENCRYPTION=null MAIL_FROM_ADDRESS="hello@example.com" MAIL_FROM_NAME="${APP_NAME}"

//the email sender screen code

<?php namespace App\Orchid\Screens; use App\Models\User; use Illuminate\Http\Request; use Illuminate\Mail\Message; use Illuminate\Support\Facades\Mail; use Orchid\Screen\Fields\Input; use Orchid\Screen\Fields\Quill; use Orchid\Screen\Fields\Relation; use Orchid\Support\Facades\Layout; use Orchid\Screen\Actions\Button; use Orchid\Screen\Screen; use Orchid\Support\Facades\Alert; class EmailSenderScreen extends Screen { /** * Query data. * * @return array */ public function query(): array { return [ 'subject' => date('F').' Campaign News', ]; } /** * Display header name. * * @return string|null */ public function name(): ?string { return 'Send Mail'; } public function description (): ?string { return 'Sending Mail From Within'; } /** * Button commands. * * @return \Orchid\Screen\Action[] */ public function commandBar(): iterable { return [ Button::make('Send Message') ->icon('paper-plane') ->method('sendMessage') ]; } /** * Views. * * @return \Orchid\Screen\Layout[]|string[] */ public function layout(): array { return [ Layout::rows([ Input::make('subject') ->title('recipients') ->required() ->placeholder('The message subject line') ->help('enter the subject line for your message'), Relation::make('users.') ->title('recipients') ->multiple() ->required() ->placeholder('Email addresses') ->help('Enter the users that you would like to send this message to.') ->fromModel(User::class,'name','email'), Quill::make('content') ->title('Content') ->required() ->placeholder('Inset the text here...') ->help('Add the content for the message that you would like to send.') ]) ]; } public function sendMessage(Request $request) { $request->validate([ 'subject' => 'required|min:6|max:50', 'users' => 'required', 'content' => 'required|min:10' ]); Mail::raw($request->get('content'), function (Message $message) use ($request) { $message->from('hello@example.com'); $message->subject($request->get('subject')); foreach ($request->get('users') as $email) { $message->to($email); } }); Alert::info('Your email message has been sent successfully.'); } }