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phpsocket使用smtp发送带附件的邮件

时间:2021-07-01 10:21:17 帮助过:24人阅读

  1. /**

  2. * php socket smtp发送邮件
  3. * edit: bbs.it-home.org
  4. */

  5. //define("SOL", "\n");

  6. define("EOL", "\r\n");
  7. define("SMTP_HOST", "smtp.163.com");//SMTP服务器
  8. define("SMTP_PORT", "25");//SMTP服务器端口
  9. define("SMTP_USER", "");//SMTP服务器的用户帐号
  10. define("SMTP_PASS", "");//SMTP服务器的用户密码

  11. $from = "";//SMTP服务器的用户邮箱

  12. $to = "";//发送给谁 可用逗号隔开多个邮箱
  13. $cc = "";
  14. $bcc = "";

  15. $subject="这是一个由PHP发送的带附件的邮件";//邮件主题 很多客户端会有乱码,所以转一下码

  16. $body = "这个是一个带附件的邮件发送程序
    看到没,这里显示了HTM标签哦;请点开链接 ".date('Y-m-d H:i:s');//邮件内容
  17. $smtp = new smtp(SMTP_HOST,SMTP_PORT,SMTP_USER,SMTP_PASS, true);//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.
  18. $smtp->addAttachment("mail.zip");
  19. $smtp->sendmail($to, $from, $subject, $body, $cc, $bcc);

  20. class smtp {

  21. /* Public Variables */

  22. public $attachments = array();
  23. /* Private Variables */
  24. private $smtp_host;
  25. private $smtp_port;
  26. private $time_out;
  27. private $host_name;
  28. private $auth;
  29. private $user;
  30. private $pass;
  31. private $sock;

  32. /* Constractor */

  33. public function smtp($smtp_host = null, $smtp_port = null, $user = null, $pass = null, $auth = true) {
  34. $this->smtp_host = (!empty($smtp_host)) ? $smtp_host : SMTP_HOST;
  35. $this->smtp_port = (!empty($smtp_port)) ? $smtp_port : SMTP_PORT;
  36. $this->user = (!empty($user)) ? $user : SMTP_PORT;
  37. $this->pass = (!empty($pass)) ? $pass : SMTP_PORT;
  38. $this->auth = $auth;
  39. $this->time_out = 15;
  40. #
  41. $this->host_name = "localhost";
  42. $this->sock = FALSE;
  43. }

  44. /* Main Function */

  45. public function sendmail($to, $from, $subject = "", $body = "", $cc = "", $bcc = "") {
  46. $bndp = md5(uniqid("")) . rand(1000, 9999);
  47. $bnd = md5(uniqid("")) . rand(1000, 9999);
  48. list ($msec, $sec) = explode(" ", microtime());

  49. $mail_from = $this->strip_line_breaks($from);

  50. $mail_to = explode(",", $to);
  51. $body = preg_replace("/(^|(\r\n))(\\.)/", "", $body);
  52. if ($cc != "") $mail_to = array_merge($mail_to, explode(",", $cc));
  53. if ($bcc != "") $mail_to = array_merge($mail_to, explode(",", $bcc));

  54. $headers = "MIME-Version:1.0" . EOL;

  55. $headers .= "To: " . $to . EOL;
  56. if ($cc != "") {
  57. $headers .= "Cc: " . $cc . EOL;
  58. }
  59. $headers .= "From: $from<" . $from . ">" . EOL;
  60. $headers .= "Subject: " . $subject . EOL;
  61. $headers .= "Date: " . date("r") . EOL;
  62. $headers .= "X-Mailer: Webmail ver 1.0 (PHP Version/" . phpversion() . ")" . EOL;
  63. $headers .= "Message-ID: <" . date("YmdHis", $sec) . "." . ($msec * 1000000) . "." . $from . ">" . EOL;
  64. if (count($this->attachments) > 0) {
  65. $headers .= "Content-Type: multipart/mixed;" . EOL . chr(9) . " boundary=\"" . $bndp . "\"" . EOL . EOL;
  66. $headers .= '--'.$bndp . EOL;
  67. $headers .= 'Content-Type : multipart/alternative; boundary="' . $bnd . '"' . EOL . EOL;
  68. $headers .= '--' . $bnd . EOL;
  69. $headers .= 'Content-Type: text/plain; charset=utf-8' . EOL;
  70. $headers .= "Content-Transfer-Encoding: 8bit" . EOL . EOL;
  71. $headers .= $body . EOL;
  72. $headers .= '--' . $bnd . EOL;
  73. $headers .= 'Content-type: text/html; charset=utf-8' . EOL;
  74. $headers .= "Content-Transfer-Encoding: 8bit" . EOL . EOL;
  75. $headers .= $body . EOL;
  76. $headers .= '--' . $bnd . '--' . EOL;

  77. foreach ($this->attachments as $att) {

  78. $headers .= "--" . $bndp . EOL . $att;
  79. }
  80. $headers .= '--' . $bndp . '--' . EOL;
  81. $this->clear_attachments();
  82. } else {
  83. $headers .= 'Content-Type : multipart/alternative;boundary="'.$bnd.'"' . EOL . EOL;
  84. $headers .= '--'.$bnd . EOL;
  85. $headers .= 'Content-Type: text/plain; charset=utf-8' . EOL;
  86. $headers .= "Content-Transfer-Encoding: 8bit" . EOL . EOL;
  87. $headers .= $body . EOL;
  88. $headers .= '--'.$bnd . EOL;
  89. $headers .= 'Content-type: text/html; charset=utf-8' . EOL;
  90. $headers .= "Content-Transfer-Encoding: 8bit" . EOL . EOL;
  91. $headers .= $body . EOL;
  92. $headers .= '--'.$bnd.'--' . EOL;
  93. }

  94. $sent = TRUE;

  95. foreach ($mail_to as $rcpt_to) {
  96. $rcpt_to = $this->strip_line_breaks($rcpt_to);
  97. if (!$this->smtp_sockopen($rcpt_to)) {
  98. $this->log_write("Error: Cannot send email to " . $rcpt_to);
  99. $sent = FALSE;
  100. continue;
  101. }
  102. if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $headers, $body)) {
  103. $this->log_write("E-mail has been sent to <" . $rcpt_to . ">");
  104. } else {
  105. $this->log_write("Error: Cannot send email to <" . $rcpt_to . ">");
  106. $sent = FALSE;
  107. }
  108. fclose($this->sock);
  109. }
  110. $this->log_write("{$mail_to} send over;");
  111. return $sent;
  112. }

  113. public function addAttachment($file, $dispo = "attachment") {

  114. $file_data = (file_exists($file)) ? file_get_contents($file) : "";
  115. if ($file_data != "") {
  116. $filename = basename($file);
  117. $ext = pathinfo($filename, PATHINFO_EXTENSION);
  118. $chunks = chunk_split(base64_encode($file_data));
  119. $parts = "Content-Type: application/$ext; name=\"" . $filename . "\"" . EOL;
  120. $parts .= "Content-Transfer-Encoding: base64" . EOL;
  121. $parts .= "Content-Disposition: " . $dispo . "; filename=\"" . $filename . "\"" . EOL . EOL;
  122. $parts .= $chunks . EOL . EOL;
  123. $this->attachments[] = $parts;
  124. }
  125. }

  126. private function clear_attachments() {

  127. unset($this->attachments);
  128. $this->attachments = array();
  129. }

  130. /* Private Functions */

  131. private function smtp_send($helo, $from, $to, $header, $body = "") {
  132. if (!$this->smtp_putcmd("HELO", $helo)) {
  133. //$this->log_write("Error: Error occurred while sending HELO command.");
  134. return FALSE;
  135. }
  136. #auth
  137. if ($this->auth) {
  138. if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) {
  139. //$this->log_write("Error: Error occurred while sending HELO command.");
  140. return FALSE;
  141. }
  142. if (!$this->smtp_putcmd("", base64_encode($this->pass))) {
  143. //$this->log_write("Error: Error occurred while sending HELO command.");
  144. return FALSE;
  145. }
  146. }
  147. if (!$this->smtp_putcmd("MAIL", "FROM:<" . $from . ">")) {
  148. //$this->log_write("Error: Error occurred while sending MAIL FROM command.");
  149. return FALSE;
  150. }
  151. if (!$this->smtp_putcmd("RCPT", "TO:<" . $to . ">")) {
  152. //$this->log_write("Error: Error occurred while sending RCPT TO command.");
  153. return FALSE;
  154. }
  155. if (!$this->smtp_putcmd("DATA")) {
  156. //$this->log_write("Error: Error occurred while sending DATA command.");
  157. return FALSE;
  158. }
  159. if (!$this->smtp_message($header, $body)) {
  160. //$this->log_write("Error: Error occurred while sending message.");
  161. return FALSE;
  162. }
  163. if (!$this->smtp_eom()) {
  164. //$this->log_write("Error: Error occurred while sending . [EOM].");
  165. return FALSE;
  166. }
  167. if (!$this->smtp_putcmd("QUIT")) {
  168. //$this->log_write("Error: Error occurred while sending QUIT command.");
  169. return FALSE;
  170. }
  171. return TRUE;
  172. }
  173. private function smtp_sockopen($address) {
  174. if ($this->smtp_host == "") {
  175. return $this->smtp_sockopen_mx($address);
  176. } else { // bbs.it-home.org
  177. return $this->smtp_sockopen_relay();
  178. }
  179. }
  180. private function smtp_sockopen_relay() {
  181. $this->log_write("Trying to Connect " . $this->smtp_host . ":" . $this->smtp_port . "...");
  182. $this->sock = @fsockopen($this->smtp_host, $this->smtp_port, $errno, $errstr, $this->time_out);
  183. if (!($this->sock && $this->smtp_ok())) {
  184. $this->log_write("Error: connenct error" . $errstr . " (" . $errno . ")");
  185. return FALSE;
  186. }
  187. $this->log_write("Connected Ok");
  188. return TRUE;
  189. }
  190. private function smtp_sockopen_mx($address) {
  191. $domain = preg_replace("/^.+@([^@]+)$/", "\1", $address);
  192. if (!@getmxrr($domain, $MXHOSTS)) {
  193. $this->log_write("Error: Cannot resolve MX \"" . $domain . "\"");
  194. return FALSE;
  195. }
  196. foreach ($MXHOSTS as $host) {
  197. $this->log_write("Trying to " . $host . ":" . $this->smtp_port);
  198. $this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out);
  199. if (!($this->sock && $this->smtp_ok())) {
  200. $this->log_write("Connect Error ," . $errstr . " (" . $errno . ")");
  201. continue;
  202. }
  203. $this->log_write("Connected to mx host " . $host);
  204. return TRUE;
  205. }
  206. $this->log_write("Error: Cannot connect to any mx hosts (" . implode(", ", $MXHOSTS) . ")");
  207. return FALSE;
  208. }
  209. private function smtp_message($header, $body) {
  210. fputs($this->sock, $header . "\r\n" . $body);
  211. return TRUE;
  212. }
  213. private function smtp_eom() {
  214. fputs($this->sock, "\r\n.\r\n");
  215. return $this->smtp_ok();
  216. }
  217. private function smtp_ok() {
  218. $response = str_replace("\r\n", "", fgets($this->sock, 512));
  219. if (!preg_match("/^[23]/", $response)) {
  220. fputs($this->sock, "QUIT\r\n");
  221. fgets($this->sock, 512);
  222. $this->log_write("Error: Remote host returned \"" . $response . "\"");
  223. return FALSE;
  224. }
  225. return TRUE;
  226. }
  227. private function smtp_putcmd($cmd, $arg = "") {
  228. if ($arg != "") $cmd = ($cmd == "") ? $arg : ($cmd . " " . $arg);
  229. fputs($this->sock, $cmd . "\r\n");
  230. return $this->smtp_ok();
  231. }
  232. private function strip_line_breaks($address) {
  233. $address = preg_replace("/([\t\r\n])+/", "", $address);
  234. $address = preg_replace("/^.*<(.+)>.*$/", "", $address);
  235. return $address;
  236. }
  237. public function log_write($message) {
  238. $message = date("M d H:i:s ") . get_current_user() . "[" . getmypid() . "]: " . $message;
  239. file_put_contents(dirname(__FILE__) . '/mail.log', $message . PHP_EOL, FILE_APPEND | LOCK_EX);
  240. }
  241. }

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