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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

  3. /**

  4. * php socket smtp发送邮件
  5. * edit: bbs.it-home.org
  6. */

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

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

  13. $from = "";//SMTP服务器的用户邮箱

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

  17. $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

  18. $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
  19. $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.
  20. $smtp->addAttachment("mail.zip");
  21. $smtp->sendmail($to, $from, $subject, $body, $cc, $bcc);

  22. class smtp {

  23. /* Public Variables */

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

  34. /* Constractor */

  35. public function smtp($smtp_host = null, $smtp_port = null, $user = null, $pass = null, $auth = true) {
  36. $this->smtp_host = (!empty($smtp_host)) ? $smtp_host : SMTP_HOST;
  37. $this->smtp_port = (!empty($smtp_port)) ? $smtp_port : SMTP_PORT;
  38. $this->user = (!empty($user)) ? $user : SMTP_PORT;
  39. $this->pass = (!empty($pass)) ? $pass : SMTP_PORT;
  40. $this->auth = $auth;
  41. $this->time_out = 15;
  42. #
  43. $this->host_name = "localhost";
  44. $this->sock = FALSE;
  45. }

  46. /* Main Function */

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

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

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

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

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

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

  80. $headers .= "--" . $bndp . EOL . $att;
  81. }
  82. $headers .= '--' . $bndp . '--' . EOL;
  83. $this->clear_attachments();
  84. } else {
  85. $headers .= 'Content-Type : multipart/alternative;boundary="'.$bnd.'"' . EOL . EOL;
  86. $headers .= '--'.$bnd . EOL;
  87. $headers .= 'Content-Type: text/plain; charset=utf-8' . EOL;
  88. $headers .= "Content-Transfer-Encoding: 8bit" . EOL . EOL;
  89. $headers .= $body . EOL;
  90. $headers .= '--'.$bnd . EOL;
  91. $headers .= 'Content-type: text/html; charset=utf-8' . EOL;
  92. $headers .= "Content-Transfer-Encoding: 8bit" . EOL . EOL;
  93. $headers .= $body . EOL;
  94. $headers .= '--'.$bnd.'--' . EOL;
  95. }

  96. $sent = TRUE;

  97. foreach ($mail_to as $rcpt_to) {
  98. $rcpt_to = $this->strip_line_breaks($rcpt_to);
  99. if (!$this->smtp_sockopen($rcpt_to)) {
  100. $this->log_write("Error: Cannot send email to " . $rcpt_to);
  101. $sent = FALSE;
  102. continue;
  103. }
  104. if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $headers, $body)) {
  105. $this->log_write("E-mail has been sent to <" . $rcpt_to . ">");
  106. } else {
  107. $this->log_write("Error: Cannot send email to <" . $rcpt_to . ">");
  108. $sent = FALSE;
  109. }
  110. fclose($this->sock);
  111. }
  112. $this->log_write("{$mail_to} send over;");
  113. return $sent;
  114. }

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

  116. $file_data = (file_exists($file)) ? file_get_contents($file) : "";
  117. if ($file_data != "") {
  118. $filename = basename($file);
  119. $ext = pathinfo($filename, PATHINFO_EXTENSION);
  120. $chunks = chunk_split(base64_encode($file_data));
  121. $parts = "Content-Type: application/$ext; name=\"" . $filename . "\"" . EOL;
  122. $parts .= "Content-Transfer-Encoding: base64" . EOL;
  123. $parts .= "Content-Disposition: " . $dispo . "; filename=\"" . $filename . "\"" . EOL . EOL;
  124. $parts .= $chunks . EOL . EOL;
  125. $this->attachments[] = $parts;
  126. }
  127. }

  128. private function clear_attachments() {

  129. unset($this->attachments);
  130. $this->attachments = array();
  131. }

  132. /* Private Functions */

  133. private function smtp_send($helo, $from, $to, $header, $body = "") {
  134. if (!$this->smtp_putcmd("HELO", $helo)) {
  135. //$this->log_write("Error: Error occurred while sending HELO command.");
  136. return FALSE;
  137. }
  138. #auth
  139. if ($this->auth) {
  140. if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) {
  141. //$this->log_write("Error: Error occurred while sending HELO command.");
  142. return FALSE;
  143. }
  144. if (!$this->smtp_putcmd("", base64_encode($this->pass))) {
  145. //$this->log_write("Error: Error occurred while sending HELO command.");
  146. return FALSE;
  147. }
  148. }
  149. if (!$this->smtp_putcmd("MAIL", "FROM:<" . $from . ">")) {
  150. //$this->log_write("Error: Error occurred while sending MAIL FROM command.");
  151. return FALSE;
  152. }
  153. if (!$this->smtp_putcmd("RCPT", "TO:<" . $to . ">")) {
  154. //$this->log_write("Error: Error occurred while sending RCPT TO command.");
  155. return FALSE;
  156. }
  157. if (!$this->smtp_putcmd("DATA")) {
  158. //$this->log_write("Error: Error occurred while sending DATA command.");
  159. return FALSE;
  160. }
  161. if (!$this->smtp_message($header, $body)) {
  162. //$this->log_write("Error: Error occurred while sending message.");
  163. return FALSE;
  164. }
  165. if (!$this->smtp_eom()) {
  166. //$this->log_write("Error: Error occurred while sending . [EOM].");
  167. return FALSE;
  168. }
  169. if (!$this->smtp_putcmd("QUIT")) {
  170. //$this->log_write("Error: Error occurred while sending QUIT command.");
  171. return FALSE;
  172. }
  173. return TRUE;
  174. }
  175. private function smtp_sockopen($address) {
  176. if ($this->smtp_host == "") {
  177. return $this->smtp_sockopen_mx($address);
  178. } else { // bbs.it-home.org
  179. return $this->smtp_sockopen_relay();
  180. }
  181. }
  182. private function smtp_sockopen_relay() {
  183. $this->log_write("Trying to Connect " . $this->smtp_host . ":" . $this->smtp_port . "...");
  184. $this->sock = @fsockopen($this->smtp_host, $this->smtp_port, $errno, $errstr, $this->time_out);
  185. if (!($this->sock && $this->smtp_ok())) {
  186. $this->log_write("Error: connenct error" . $errstr . " (" . $errno . ")");
  187. return FALSE;
  188. }
  189. $this->log_write("Connected Ok");
  190. return TRUE;
  191. }
  192. private function smtp_sockopen_mx($address) {
  193. $domain = preg_replace("/^.+@([^@]+)$/", "\1", $address);
  194. if (!@getmxrr($domain, $MXHOSTS)) {
  195. $this->log_write("Error: Cannot resolve MX \"" . $domain . "\"");
  196. return FALSE;
  197. }
  198. foreach ($MXHOSTS as $host) {
  199. $this->log_write("Trying to " . $host . ":" . $this->smtp_port);
  200. $this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out);
  201. if (!($this->sock && $this->smtp_ok())) {
  202. $this->log_write("Connect Error ," . $errstr . " (" . $errno . ")");
  203. continue;
  204. }
  205. $this->log_write("Connected to mx host " . $host);
  206. return TRUE;
  207. }
  208. $this->log_write("Error: Cannot connect to any mx hosts (" . implode(", ", $MXHOSTS) . ")");
  209. return FALSE;
  210. }
  211. private function smtp_message($header, $body) {
  212. fputs($this->sock, $header . "\r\n" . $body);
  213. return TRUE;
  214. }
  215. private function smtp_eom() {
  216. fputs($this->sock, "\r\n.\r\n");
  217. return $this->smtp_ok();
  218. }
  219. private function smtp_ok() {
  220. $response = str_replace("\r\n", "", fgets($this->sock, 512));
  221. if (!preg_match("/^[23]/", $response)) {
  222. fputs($this->sock, "QUIT\r\n");
  223. fgets($this->sock, 512);
  224. $this->log_write("Error: Remote host returned \"" . $response . "\"");
  225. return FALSE;
  226. }
  227. return TRUE;
  228. }
  229. private function smtp_putcmd($cmd, $arg = "") {
  230. if ($arg != "") $cmd = ($cmd == "") ? $arg : ($cmd . " " . $arg);
  231. fputs($this->sock, $cmd . "\r\n");
  232. return $this->smtp_ok();
  233. }
  234. private function strip_line_breaks($address) {
  235. $address = preg_replace("/([\t\r\n])+/", "", $address);
  236. $address = preg_replace("/^.*<(.+)>.*$/", "", $address);
  237. return $address;
  238. }
  239. public function log_write($message) {
  240. $message = date("M d H:i:s ") . get_current_user() . "[" . getmypid() . "]: " . $message;
  241. file_put_contents(dirname(__FILE__) . '/mail.log', $message . PHP_EOL, FILE_APPEND | LOCK_EX);
  242. }
  243. }

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