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Smtp mail sending class written in php

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Author: User
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Smtp mail sending class written in php

  2. $ Smtpserver = "*****";
  3. $ Smtpserverport = 25;
  4. $ Smtpuser = "******";
  5. $ Smtppass = "*******";
  6. $ Smtp = new smtp ($ smtpserver, $ smtpserverport, true, $ smtpuser, $ smtppass); // Here, true indicates that authentication is used; otherwise, authentication is not used.
  7. $ Smtp-> debug = false;
  8. // $ Emailtype = "HTML ";
  9. For ($ I = 0; $ I <5; $ I ++ ){
  10. $ Smtp-> sendmail ("*****", "*******", "Hello world! "," This is only a test! ");
  11. }
  12. Echo "sent in total$ IEmail! ";
  13. ?>

The following describes the implementation of a specific class.

  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. = "maid: 1.0 ";
  36. If ($ mailtype = "HTML "){
  37. $ Header. = "Content-Type: text/html ";
  38. }
  39. $ Header. = "To:". $ ."";
  40. If ($ cc! = ""){
  41. $ Header. = "Cc:". $ cc ."";
  42. }
  43. $ Header. = "From: $ 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: <". date ("YmdHis", $ sec ). ". ". ($ msec * 1000000 ). ". ". $ mail_from. "> ;";
  50. $ TO = explode (",", $ this-> strip_comment ($ ));
  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 <". $ rcpt_to. "> ;");
  67. } Else {
  68. $ This-> log_write ("Error: Cannot send email to <". $ rcpt_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: <". $ from. "> ;")){
  92. Return $ this-> smtp_error ("sending mail from command ");
  93. }
  94. If (! $ This-> smtp_putcmd ("RCPT", "TO: <". $ 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, ""))){
  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. ?>

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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