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php写的smtp邮件发送类

WBOY
WBOY原创
2016-07-25 08:54:40882浏览
  2. $smtpserver = "*****";
  3. $smtpserverport = 25;
  4. $smtpuser = "******";
  5. $smtppass = "*******";
  6. $smtp = new smtp($smtpserver, $smtpserverport, true, $smtpuser, $smtppass); //这里面的一个true是表示使用身份验证,否则不使用身份验证.
  7. $smtp->debug = false;
  8. //$emailtype ＝ "HTML";
  9. for ($i=0; $i $smtp->sendmail("*****", "******", "Hello world!","This is only a test!");
  10. }
  11. echo "共发送了 $i 封邮件！";
  12. ?>
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下面是具体类的实现。

  3. class smtp {

  4. /* Public Variables */
  5. var $smtp_port;
  6. var $time_out;
  7. var $host_name;
  8. var $log_file;
  9. var $relay_host;
  10. var $debug;
  11. var $auth;
  12. var $user;
  13. var $pass;
  14. /* Private Variables */
  15. var $sock;
  16. /* Constractor */
  17. function smtp($relay_host = "", $smtp_port = 25, $auth = false, $user, $pass)
  18. {
  19. $this->debug = false;
  20. $this->smtp_port = $smtp_port;
  21. $this->relay_host = $relay_host;
  22. $this->time_out = 30; //is used in fsockopen()
  23. $this->auth = $auth; //auth
  24. $this->user = $user;
  25. $this->pass = $pass;
  26. $this->host_name = "localhost"; //is used in HELO command
  27. $this->log_file = "";
  28. $this->sock = false;
  29. }
  30. /* Main Function */
  31. function sendmail($to, $from, $subject = "", $body = "", $mailtype= "", $cc = "", $bcc = "", $additional_headers = "")
  32. {
  33. $mail_from = $this->get_address($this->strip_comment($from));
  34. $body = ereg_replace("(^|( ))(.)", "1.3", $body);
  35. $header .= "MIME-Version:1.0 ";
  36. if ($mailtype == "HTML") {
  37. $header .= "Content-Type:text/html ";
  38. }
  39. $header .= "To: " . $to . " ";
  40. if ($cc != "") {
  41. $header .= "Cc: " . $cc . " ";
  42. }
  43. $header .= "From: $from; ";
  44. $header .= "Subject: " . $subject . " ";
  45. $header .= $additional_headers;
  46. $header .= "Date: " . date("r") . " ";
  47. $header .= "X-Mailer:By Redhat (PHP/" . phpversion() . ") ";
  48. list($msec, $sec) = explode(" ", microtime());
  49. $header .= "Message-ID: ; ";
  50. $TO = explode(",", $this->strip_comment($to));
  51. if ($cc != "") {
  52. $TO = array_merge($TO, explode(",", $this->strip_comment($cc)));
  53. }
  54. if ($bcc != "") {
  55. $TO = array_merge($TO, explode(",", $this->strip_comment($bcc)));
  56. }
  57. $sent = true;
  58. foreach ($TO as $rcpt_to) {
  59. $rcpt_to = $this->get_address($rcpt_to);
  60. if (!$this->smtp_sockopen($rcpt_to)) {
  61. $this->log_write("Error: Cannot send email to " . $rcpt_to . " ");
  62. $sent = false;
  63. continue;
  64. }
  65. if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)) {
  66. $this->log_write("E-mail has been sent to ; ");
  67. } else {
  68. $this->log_write("Error: Cannot send email to ; ");
  69. $sent = false;
  70. }
  71. fclose($this->sock);
  72. $this->log_write("Disconnected from remote host ");
  73. }
  74. return $sent;
  75. }

  76. /* Private Functions */

  77. function smtp_send($helo, $from, $to, $header, $body = "")
  78. {
  79. if (!$this->smtp_putcmd("HELO", $helo)) {
  80. return $this->smtp_error("sending HELO command");
  81. }
  82. // auth
  83. if ($this->auth) {
  84. if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) {
  85. return $this->smtp_error("sending HELO command");
  86. }
  87. if (!$this->smtp_putcmd("", base64_encode($this->pass))) {
  88. return $this->smtp_error("sending HELO command");
  89. }
  90. }
  91. if (!$this->smtp_putcmd("MAIL", "FROM:;")) {
  92. return $this->smtp_error("sending MAIL FROM command");
  93. }
  94. if (!$this->smtp_putcmd("RCPT", "TO:;")) {
  95. return $this->smtp_error("sending RCPT TO command");
  96. }
  97. if (!$this->smtp_putcmd("DATA")) {
  98. return $this->smtp_error("sending DATA command");
  99. }
  100. if (!$this->smtp_message($header, $body)) {
  101. return $this->smtp_error("sending message");
  102. }
  103. if (!$this->smtp_eom()) {
  104. return $this->smtp_error("sending ;;.;; [EOM]");
  105. }
  106. if (!$this->smtp_putcmd("QUIT")) {
  107. return $this->smtp_error("sending QUIT command");
  108. }
  109. return true;
  110. }
  111. function smtp_sockopen($address)
  112. {
  113. if ($this->relay_host == "") {
  114. return $this->smtp_sockopen_mx($address);
  115. } else {
  116. return $this->smtp_sockopen_relay();
  117. }
  118. }
  119. function smtp_sockopen_relay()
  120. {
  121. $this->log_write("Trying to " . $this->relay_host . ":" . $this->smtp_port . " ");
  122. $this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out);
  123. if (!($this->sock && $this->smtp_ok())) {
  124. $this->log_write("Error: Cannot connenct to relay host " . $this->relay_host . " ");
  125. $this->log_write("Error: " . $errstr . " (" . $errno . ") ");
  126. return false;
  127. }
  128. $this->log_write("Connected to relay host " . $this->relay_host . " ");
  129. return true;;
  130. }
  131. function smtp_sockopen_mx($address)
  132. {
  133. $domain = ereg_replace("^.+@([^@]+)$", "1", $address);
  134. if (!@getmxrr($domain, $MXHOSTS)) {
  135. $this->log_write("Error: Cannot resolve MX "" . $domain . "" ");
  136. return false;
  137. }
  138. foreach ($MXHOSTS as $host) {
  139. $this->log_write("Trying to " . $host . ":" . $this->smtp_port . " ");
  140. $this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out);
  141. if (!($this->sock && $this->smtp_ok())) {
  142. $this->log_write("Warning: Cannot connect to mx host " . $host . " ");
  143. $this->log_write("Error: " . $errstr . " (" . $errno . ") ");
  144. continue;
  145. }
  146. $this->log_write("Connected to mx host " . $host . " ");
  147. return true;
  148. }
  149. $this->log_write("Error: Cannot connect to any mx hosts (" . implode(", ", $MXHOSTS) . ") ");
  150. return false;
  151. }
  152. function smtp_message($header, $body)
  153. {
  154. fputs($this->sock, $header . " " . $body);
  155. $this->smtp_debug(">; " . str_replace(" ", " " . ">; ", $header . " >; " . $body . " >; "));
  156. return true;
  157. }
  158. function smtp_eom()
  159. {
  160. fputs($this->sock, " . ");
  161. $this->smtp_debug(". [EOM] ");
  162. return $this->smtp_ok();
  163. }
  164. function smtp_ok()
  165. {
  166. $response = str_replace(" ", "", fgets($this->sock, 512));
  167. $this->smtp_debug($response . " ");
  168. if (!ereg("^[23]", $response)) {
  169. fputs($this->sock, "QUIT ");
  170. fgets($this->sock, 512);
  171. $this->log_write("Error: Remote host returned "" . $response . "" ");
  172. return false;
  173. }
  174. return true;
  175. }
  176. function smtp_putcmd($cmd, $arg = "")
  177. {
  178. if ($arg != "") {
  179. if ($cmd == "") $cmd = $arg;
  180. else $cmd = $cmd . " " . $arg;
  181. }
  182. fputs($this->sock, $cmd . " ");
  183. $this->smtp_debug(">; " . $cmd . " ");
  184. return $this->smtp_ok();
  185. }
  186. function smtp_error($string)
  187. {
  188. $this->log_write("Error: Error occurred while " . $string . ". ");
  189. return false;
  190. }
  191. function log_write($message)
  192. {
  193. $this->smtp_debug($message);
  194. if ($this->log_file == "") {
  195. return true;
  196. }
  197. $message = date("M d H:i:s ") . get_current_user() . "[" . getmypid() . "]: " . $message;
  198. if (!@file_exists($this->log_file) || !($fp = @fopen($this->log_file, "a"))) {
  199. $this->smtp_debug("Warning: Cannot open log file "" . $this->log_file . "" ");
  200. return false;;
  201. }
  202. flock($fp, LOCK_EX);
  203. fputs($fp, $message);
  204. fclose($fp);
  205. return true;
  206. }
  207. function strip_comment($address)
  208. {
  209. $comment = "([^()]*)";
  210. while (ereg($comment, $address)) {
  211. $address = ereg_replace($comment, "", $address);
  212. }
  213. return $address;
  214. }
  215. function get_address($address)
  216. {
  217. $address = ereg_replace("([ ])+", "", $address);
  218. $address = ereg_replace("^.*;.*$", "1", $address);
  219. return $address;
  220. }
  221. function smtp_debug($message)
  222. {
  223. if ($this->debug) {
  224. echo $message . ";";
  225. }
  226. }
  227. }
  228. ?>
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