PHP implements the Mail sending method based on the Simple Mail sending class

: This article mainly introduces the PHP method for sending mails based on the Simple Mail class. if you are interested in the PHP Tutorial, please refer to it. This example describes the PHP implementation. Send email. We will share this with you for your reference. The details are as follows:

Email sending class

<? Php/* Mail sending class * function: Use the smtp serverSend email*/Class smtp {/*Global variables*/Var $ smtp_port; var $ time_out; var $ host_name; var $ log_file; var $ relay_host; var $ debug; var $ auth; var $ user; var $ pass; var $ sock;/* constructor */function smtp ($ relay_host = "", $ smtp_port = 25, $ auth = false, $ log_file = "", $ user = "", $ pass = "") {$ this-> debug = FALSE; $ this-> smtp_port = $ smtp_port; $ this-> relay_host = $ relay_host; $ this-> time_out = 30; // is used in fsockopen () $ this-> auth = $ auth ; // Auth $ this-> user = $ user; $ this-> pass = $ pass; $ this-> host_name = "localhost "; // is used in HELO command $ this-> log_file = $ log_file; // log file for failed email sending $ this-> sock = FALSE ;} function mail_encode ($ str) {// return '=? UTF-8? B? '. Base64_encode (mb_convert_encoding ($ str, "GBK", "UTF-8 ")).'? = '; Return "=? UTF-8? B? ". Base64_encode ($ str )."? = ";}/* Main function,Send email*/Function sendmail ($ flag, $ boundary, $ to, $ from, $ subject = "", $ body = "", $ mailtype, $ cc = "", $ bcc = "", $ additional_headers = "") {$ mail_from = $ this-> get_address ($ this-> strip_comment ($ from )); $ body = ereg_replace ('(^ | (\ r \ n ))(\.) ', "\ 1. \ 3 ", $ body); $ header =" MIME-Version: 1.0 \ r \ n "; if ($ mailtype =" HTML ") {if ($ flag = 2) {$ header. = "Content-Type: multipart/mixed; boundary = $ boun Dary \ r \ n ";} else {$ header. = "Content-Type: text/html; charset = \" UTF-8 \ "\ r \ n" ;}}$ header. = ":". $. "\ r \ n"; if ($ cc! = "") {$ Header. = "Cc :". $ cc. "\ r \ n" ;}$ header. = "From: $ from <". $ from. "> \ r \ n"; $ subject = self: mail_encode ($ subject); $ header. = "Subject :". $ subject. "\ r \ n"; $ header. = $ additional_headers; $ header. = "Date :". date ("r "). "\ r \ n"; $ header. = "X-Mailer: By redhat (PHP /". phpversion (). ") \ r \ n"; list ($ msec, $ sec) = explode ("", microtime (); $ header. = "Message-ID: <". dat E ("YmdHis", $ sec ). ". ". ($ msec * 1000000 ). ". ". $ mail_from. "> \ r \ n"; $ TO = explode (",", $ this-> strip_comment ($ to); if ($ cc! = "") {$ TO = array_merge ($ TO, explode (",", $ this-> strip_comment ($ cc);} if ($ bcc! = "") {$ TO = array_merge ($ TO, explode (",", $ this-> strip_comment ($ bcc);} $ sent = TRUE; foreach ($ TO as $ rcpt_to) {$ rcpt_to = $ this-> get_address ($ rcpt_to); if (! $ This-> smtp_sockopen ($ rcpt_to) {$ this-> log_write ("Error: Cannot send email ". $ rcpt_to. "\ n"); $ sent = FALSE; continue;} if ($ this-> smtp_send ($ this-> host_name, $ mail_from, $ rcpt_to, $ header, $ body) {$ this-> log_write ("E-mail has been sent to <". $ rcpt_to. "> \ n");} else {$ this-> log_write ("Error: Cannot send email to <". $ rcpt_to. "> \ n"); $ sent = FALSE;} fclose ($ this -> Sock); $ this-> log_write ("Disconnected from remote host \ n");} return $ sent;}/* private function */function smtp_send ($ helo, $ from, $ to, $ header, $ body = "") {if (! $ This-> smtp_putcmd ("HELO", $ helo) {return $ this-> smtp_error ("sending HELO command");} if ($ this-> auth) {if (! $ This-> smtp_putcmd ("auth login", base64_encode ($ this-> user) {return $ this-> smtp_error ("sending HELO command");} if (! $ This-> smtp_putcmd ("", base64_encode ($ this-> pass) {return $ this-> smtp_error ("sending HELO command") ;}} if (! $ This-> smtp_putcmd ("MAIL", "FROM: <". $ from. ">") {return $ this-> smtp_error ("sending mail from command");} if (! $ This-> smtp_putcmd ("RCPT", "TO: <". $. ">") {return $ this-> smtp_error ("sending rcpt to command");} if (! $ This-> smtp_putcmd ("DATA") {return $ this-> smtp_error ("sending DATA command");} if (! $ This-> smtp_message ($ header, $ body) {return $ this-> smtp_error ("sending message");} if (! $ This-> smtp_eom () {return $ this-> smtp_error ("sending
 
  
   
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[EOM] ");} if (! $ This-> smtp_putcmd ("QUIT") {return $ this-> smtp_error ("sending QUIT command");} return TRUE;} function smtp_sockopen ($ address) {if ($ this-> relay_host = "") {return $ this-> smtp_sockopen_mx ($ address);} else {return $ this-> smtp_sockopen_relay ();}} function smtp_sockopen_relay () {$ this-> log_write ("Trying ". $ this-> relay_host. ":". $ this-> smtp_port. "\ n"); $ this-> sock = @ Fsockopen ($ this-> relay_host, $ this-> smtp_port, $ errno, $ errstr, $ this-> time_out); if (! ($ This-> sock & $ this-> smtp_ OK () {$ this-> log_write ("Error: Cannot connenct to relay host ". $ this-> relay_host. "\ n"); $ this-> log_write ("Error :". $ errstr. "(". $ errno. ") \ n"); return FALSE;} $ this-> log_write ("Connected to relay host ". $ this-> relay_host. "\ n"); return TRUE;} function smtp_sockopen_mx ($ address) {$ domain = ereg_replace ("^. + @ ([^ @] +) {1} quot;, "\ 1", $ address ); If (! @ Getmxrr ($ domain, $ MXHOSTS) {$ this-> log_write ("Error: Cannot resolve MX \"". $ domain. "\" \ n "); return FALSE;} foreach ($ MXHOSTS as $ host) {$ this-> log_write (" Trying ". $ host. ":". $ this-> smtp_port. "\ n"); $ this-> sock = @ fsockopen ($ host, $ this-> smtp_port, $ errno, $ errstr, $ this-> time_out); if (! ($ This-> sock & $ this-> smtp_ OK () {$ this-> log_write ("Warning: Cannot connect to mx host ". $ host. "\ n"); $ this-> log_write ("Error :". $ errstr. "(". $ errno. ") \ n"); continue;} $ this-> log_write ("Connected to mx host ". $ host. "\ n"); return TRUE;} $ this-> log_write ("Error: Cannot connect to any mx hosts (". implode (",", $ MXHOSTS ). ") \ n"); return FALSE;} function smtp_me Ssage ($ header, $ body) {fputs ($ this-> sock, $ header. "\ r \ n ". $ body); $ this-> smtp_debug ("> ". str_replace ("\ r \ n", "\ n ". ">", $ header. "\ n> ". $ body. "\ n>"); return TRUE;} function smtp_eom () {fputs ($ this-> sock, "\ r \ n. \ r \ n "); $ this-> smtp_debug (". [EOM] \ n "); return $ this-> smtp_ OK ();} function smtp_ OK () {$ response = str_replace (" \ r \ n ","", fgets ($ this-> sock, 512); $ This-> smtp_debug ($ response. "\ n"); if (! Ereg ("^ [23]", $ response) {fputs ($ this-> sock, "QUIT \ r \ n"); fgets ($ this-> sock, 512); $ this-> log_write ("Error: Remote host returned \"". $ response. "\" \ n "); return FALSE;} return TRUE;} function smtp_putcmd ($ cmd, $ arg =" ") {if ($ arg! = "") {If ($ cmd = "") $ cmd = $ arg; else $ cmd = $ cmd. "". $ arg;} fputs ($ this-> sock, $ cmd. "\ r \ n"); $ this-> smtp_debug ("> ". $ cmd. "\ n"); return $ this-> smtp_ OK ();} function smtp_error ($ string) {$ this-> log_write ("Error: Error occurred while ". $ string. ". \ n "); return FALSE;} function log_write ($ message) {$ this-> smtp_debug ($ message); if ($ this-> log_file = "") {return TRUE;} $ Message = date ("M d H: I: s"). get_current_user (). "[". getmypid (). "]:". $ message; if (! @ File_exists ($ this-> log_file) |! ($ Fp = @ fopen ($ this-> log_file, "a") {$ this-> smtp_debug ("Warning: Cannot open log file \"". $ this-> log_file. "\" \ n "); return FALSE;} flock ($ fp, LOCK_EX); fputs ($ fp, $ message); fclose ($ fp); return TRUE ;} function strip_comment ($ address) {$ comment = '[()] comment'; while (ereg ($ comment, $ address) {$ address = ereg_replace ($ comment, "", $ address);} return $ address;} function Get_address ($ address) {$ address = ereg_replace ("([\ t \ r \ n]) +", "", $ address); $ address = ereg_replace ("^. * <(. +)>. * {1} quot;, "\ 1", $ address); return $ address;} function smtp_debug ($ message) {if ($ this-> debug) {echo $ message ;}}?>
    
   
  
 

Call email sending classSend email

<? Php // file full path name, file name function send_smtp_mail ($ file, $ fileName ){Require("Smtp_mail.php"); date_default_timezone_set ('Asia/Shanghai'); $ subject = date ("Y-m-d "). "Mail title"; // mail Title $ content = "Mail content! "; // Email content // $ file ="/a/B/c.txt "; // attachment // $ fileName =" email_log.log "; // attachment name $ smtpserver = "server ip"; // SMTP server $ smtpserverport = 25; // SMTP server port $ bcc = ""; // sub-recipient // $ smtpuser = ""; // User account of the SMTP server // $ smtppass = ""; // SMTP server user password $ smtpmailfrom = "aaa@bbb.com"; // SMTP server user email, email sender $ smtpemailto = "mailbox 1, mailbox 2, mailbox 3 "; // email recipient $ cc = ""; // cc $ mailsubject = $ subject; // email subject $ mailtype = "HTML"; // email format (HTML/TXT ), TXT is a text email $ additional_headers = ""; $ smtplogfile = "";//Send emailIf no log file exists, it will not be recorded // define the demarcation line $ boundary = uniqid (""); $ headers = "Content-type: multipart/mixed; boundary = $ boundary \ r \ n "; // attachment type $ mimeType =" application/unknown "; // open the file $ fp = fopen ($ file," r "); // read the entire file into a variable $ read = fread ($ fp, filesize ($ file )); // we use base64 to encode it $ read = base64_encode ($ read ); // cut the long string into 76 characters in each line. $ read = chunk_split ($ read); fclose ($ fp ); // close the file/* email sending code */$ f Lag = 1; // Determine the file header 1 or 2 if ($ fileName = "") {// no attachment $ body = $ content ;} else {// has an attachment $ flag = 2; if ($ mailtype = "HTML") {$ body = "-- $ boundary \ r \ n "; // This Must Be \ r \ n $ body. = "Content-Type: text/html \ r \ n"; // This Must Be \ r \ n $ body. = "$ content \ r \ n"; $ body. = "-- $ boundary \ r \ n"; $ body. = "Content-type: $ mimeType; name = $ fileName \ r \ n"; $ body. = "Content-disposition: attachment; filename = $ fileName \ r \ n"; $ B Ody. = "Content-Transfer-Encoding: BASE64 \ r \ n"; $ body. = "$ read \ r \ n"; $ body. = "-- $ boundary -- \ r \ n";} else {$ body = "-- $ boundary \ r \ n"; $ body. = "Content-type: text/plain; charset = ISO-8859-1 \ r \ n"; $ body. = "Content-transfer-encoding: 8bit \ r \ n"; $ body. = "$ content \ r \ n"; $ body. = "-- $ boundary \ r \ n"; $ body. = "Content-type: $ mimeType; name = $ fileName \ r \ n"; $ body. = "Content-disposition: attachment; filename = $ fileName \ r \ n"; $ body. = "Content-transfer-encoding: base64 \ r \ n"; $ body. = "$ read \ r \ n"; $ body. = "-- $ boundary -- \ r \ n" ;}}$ mailbody = $ body; // email content // Here, true indicates identity authentication, otherwise, authentication is not used. $ smtp = new smtp ($ smtpserver, $ smtpserverport, false, $ smtplogfile); // $ smtp-> debug = TRUE; // whether to display the sent debugging information if ($ smtp-> sendmail ($ flag, $ boundary, $ smtpemailto, $ Smtpmailfrom, $ mailsubject, $ mailbody, $ mailtype, $ cc, $ bcc, $ additional_headers) {echo ("sent successfully ");} else {echo ("failed to send") ;}}?>

I hope this article will help you with php programming.

The above describes the PHP method for sending mails based on simple mail sending classes, including require, global variables, and content for sending mails. I hope to be helpful to friends who are interested in PHP tutorials.