@@ -17,7 +17,6 @@  | 
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| 17 | 17 | |
| 18 | 18 | use NFePHP\Mail\Base;  | 
                                                        
| 19 | 19 | use PHPMailer\PHPMailer\PHPMailer;  | 
                                                        
| 20 | -use PHPMailer\PHPMailer\SMTP;  | 
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| 21 | 20 | use Html2Text\Html2Text;  | 
                                                        
| 22 | 21 | use NFePHP\Common\Certificate;  | 
                                                        
| 23 | 22 | |
@@ -201,7 +201,7 @@  | 
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| 201 | 201 | $this->attach();  | 
                                                        
| 202 | 202 |          if ($this->sign) { | 
                                                        
| 203 | 203 | $dir = sys_get_temp_dir();  | 
                                                        
| 204 | - $cert = tempnam($dir, 'cert_'). '.pem';  | 
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| 204 | + $cert = tempnam($dir, 'cert_') . '.pem';  | 
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| 205 | 205 | $key = tempnam($dir, 'key_') . '.pem';  | 
                                                        
| 206 | 206 |              file_put_contents($cert, "{$this->certificate->publicKey}"); | 
                                                        
| 207 | 207 |              file_put_contents($key, "{$this->certificate->privateKey}"); |