Error While Sending Email From Form(Laravel 5.5)

Getting this error while sending mail from Email Friend Form.I am using mailtrap.io for testing mail and i had already configure .env file...Please help and tell me where i am wrong...

Error: Address in mailbox given [*myname] does not comply with RFC 2822, 3.6.2.

Share With Friend Form.....

Here is my sendmail function...

  public function sendcadmodelMail(Request $request) {
        $this->validate($request, array(
            'yourname' => 'Required',
            'friendemail' => 'Required|Email',
            'subject' => 'Required',
            'messagetext' => 'Required'
        ));

        $data = array(
            'yourname' => $request->yourname,
            'friendemail' => $request->friendemail,
            'subject' => $request->subject,
            'messagetext' => $request->messagetext,
        );

        Mail::send('cadmodels.mailtemplate', $data, function($message) use ($data) {
            $message->from($data['yourname']);
            $message->to($data['friendemail']);
            $message->subject($data['subject']);
        });
        Session::put('flash_message', 'Email Sent....!!');
        return redirect()->back();

    }

Here is my laravel Form...

 {!!  Form::open(['url' => route('cadmodels.share'),'class'=>'form-horizontal','method'=>'POST']) !!}
                        
                        <div class="form-inputs">
                            <div class="form-group">
                                
                                
                            </div>
                            <div class="form-group">
                                
                                
                            </div>
                            <div class="form-group">
                                
                                
                            </div>
                            <div class="form-group">
                                
                                
                            </div>
                        </div>
                        <div class="form-submit">
                            <input type="submit" class="btn btn-primary btnsubmit" value="Send">
                        </div>
                        {!!  Form::close() !!}

via Chebli Mohamed