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Mar 31st, 2017
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  1. <?php
  2.  
  3. class CCheckMail
  4. {
  5. var $timeout = 10;
  6. var $domain_rules = array ("aol.com", "bigfoot.com", "brain.net.pk", "breathemail.net",
  7. "compuserve.com", "dialnet.co.uk", "glocksoft.com", "home.com",
  8. "msn.com", "rocketmail.com", "uu.net", "yahoo.com", "yahoo.de");
  9.  
  10. function _is_valid_email ($email = "")
  11. { return preg_match('/^[.\w-]+@([\w-]+\.)+[a-zA-Z]{2,6}$/', $email); }
  12.  
  13. function _check_domain_rules ($domain = "")
  14. { return in_array (strtolower ($domain), $this->domain_rules); }
  15.  
  16. function execute ($email = ""){
  17. if (!$this->_is_valid_email ($email)) return false;
  18. $host = substr (strstr ($email, '@'), 1);
  19.  
  20. if ($this->_check_domain_rules ($host)) return false;
  21. $host .= ".";
  22.  
  23. if (getmxrr ($host, $mxhosts[0], $mxhosts[1]) == true) array_multisort ($mxhosts[1], $mxhosts[0]);
  24. else { $mxhosts[0] = $host;
  25. $mxhosts[1] = 10;
  26. }
  27.  
  28. $port = 25;
  29. $localhost = $_SERVER['HTTP_HOST'];
  30. $sender = 'info@' . $localhost;
  31.  
  32. $result = false;
  33. $id = 0;
  34. while (!$result && $id < count ($mxhosts[0]))
  35. { if (function_exists ("fsockopen"))
  36. {
  37. if ($connection = fsockopen ($mxhosts[0][$id], $port, $errno, $error, $this->timeout))
  38. {
  39. fputs ($connection,"HELO $localhost\r\n");
  40. $data = fgets ($connection,1024);
  41. $response = substr ($data,0,1);
  42. if ($response == '2')
  43. {
  44. fputs ($connection,"MAIL FROM:<$sender>\r\n");
  45. $data = fgets($connection,1024);
  46. $response = substr ($data,0,1);
  47. if ($response == '2')
  48. {
  49. fputs ($connection,"RCPT TO:<$email>\r\n");
  50. $data = fgets($connection,1024);
  51. $response = substr ($data,0,1);
  52. if ($response == '2')
  53. {
  54. fputs ($connection,"data\r\n");
  55. $data = fgets($connection,1024);
  56. $response = substr ($data,0,1);
  57. if ($response == '2')
  58. { $result = true; }
  59. }
  60. }
  61. }
  62. fputs ($connection,"QUIT\r\n");
  63. fclose ($connection);
  64. if ($result) return true;
  65. }
  66. }
  67. else break;
  68. $id++;
  69. }
  70. return false;
  71. }
  72. }
  73.  
  74. $str='test@gmail.com';
  75. $alter=new CCheckMail();
  76. print "E-mail: ".$str." - ".($alter->execute($str)?'существует':'не существует');
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