简单的PHP邮件发送类源代码

把自己框架里的邮件发送类分享出来，希望对大家有帮助，同时做了一个小例子，方便大家使用。

SMTP类：Smtp.class.php

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Code:

<?php 
/** 
 * SMTP类 
 * @package         DolrPHP 
 * @author          Joy chao <joy@joychao.cc> 
 * @version         v2.0 
 * @copyright       Copyright (c) 2012. DolrPHP.com 
 * @modifier        Joy chao <joy@joychao.cc> 
 * @lastmodified    Joy chao    2012-4-30 
 */
class Smtp { 
    public $smtp_host;  //SMTP主机,如: smtp.qq.com 
    public $smtp_port = 25; //SMTP端口 
    public $auth = TRUE;    //是否需要帐户认证 
    public $user;       //帐户名 
    public $pass;       //帐户密码 
    public $debug = FALSE;  //开启调试 
    public $time_out; 
    public $host_name; 
    public $log_file; 
    public $sock; 
  
    /** 
     * 构造函数，连接smtp服务器 
     * @param string    smtp服务器 
     * @param int       smtp服务器端口 
     * @param bool      smtp服务器是否需要认证 
     * @param string    smtp服务器邮件帐号 
     * @param string    smtp服务器邮件密码 
     */
    function smtp($smtp_host, $smtp_port = 25, $auth = TRUE, $user = '', $pass = '') { 
        $this->debug     = FALSE; 
        $this->smtp_port = trim ( $smtp_port ); 
        $this->smtp_host = trim ( $smtp_host ); 
        $this->time_out  = 30; // is used in fsockopen() 
        $this->auth      = trim ( $auth ); // auth 
        $this->user      = trim ( $user ); 
        $this->pass      = trim ( $pass ); 
        $this->host_name = "localhost"; // is used in HELO command 
        $this->log_file  = ''; 
        $this->sock      = FALSE; 
    } 
  
    /** 
     * 发送邮件主方法 
     * @param  string $to                 收件人 
     * @param  string $mail_from          发件人 
     * @param  string $subject            主题 
     * @param  string $body               内容 
     * @param  string $mailtype           邮件类型（HTML/TXT） 
     * @param  string $cc                 抄送 
     * @param  string $bcc                密送 
     * @param  string $additional_headers 额外头信息 
     * @return boolean                    成功或者失败 
     */
    function sendmail($to, $mail_from, $subject = '', $body = '', $mailtype = "HTML", $cc = '', $bcc = '', $additional_headers = '') { 
        $to           = trim ( $to ); 
        $stringEncode = mb_detect_encoding($body, array('UTF-8','GBK','ASCII','GB2312'));  
        $subject      = iconv($stringEncode,'UTF-8',$subject); 
        $body         = iconv($stringEncode,'UTF-8',$body); 
        $body         = preg_replace ( "/(^|(\r\n))(\.)/", "\\1.\\3", base64_encode($body)); 
        $header       = "MIME-Version:1.0\r\n"; 
        if (strtoupper ( $mailtype ) == "HTML") { 
            $header .= "Content-Type:text/html;charset=utf-8\r\n"; 
        } 
        $header .= "Content-Transfer-Encoding: base64\n"; 
        $header .= "To: " . $to . "\r\n"; 
        if ($cc != '') { 
            $header .= "Cc: " . $cc . "\r\n"; 
        } 
        $header .= "From: " . $this->get_mailfrom ( $this->user, $mail_from ) . "\r\n"; 
        $header .= "Subject: " . $subject . "\r\n"; 
        $header .= $additional_headers; 
        $header .= "Date: " . date ( "r" ) . "\r\n"; 
        $header .= "X-Mailer:By Apache (PHP/" . phpversion() . ")\r\n"; 
        list ( $msec, $sec ) = explode ( ' ', microtime() ); 
        $header .= "Message-ID: <" . date ( 'YmdHis', $sec ) . "." . ($msec * 1000000) . "." . substr ( $mail_from, strpos ( $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 to " . $rcpt_to . "\n" ); 
                $sent = FALSE; 
                continue; 
            } 
            if ($this->smtp_send ( $this->host_name, $this->user, $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; 
    } 
  
    /** 
     * 发送邮件 
     * @access public 
     */
    function smtp_send($helo, $from, $to, $header, $body = '') { 
        if (! $this->smtp_putcmd ( "HELO", $helo )) { 
            return $this->smtp_error ( "sending HELO command" ); 
        } 
        // auth 
        if ($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:<" . $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 <CR><LF>.<CR><LF> [EOM]" ); 
        } 
        if (! $this->smtp_putcmd ( "QUIT" )) { 
            return $this->smtp_error ( "sending QUIT command" ); 
        } 
        return TRUE; 
    } 
  
    function smtp_sockopen($address) { 
        if ($this->smtp_host == '') { 
            return $this->smtp_sockopen_mx ( $address ); 
        } else { 
            return $this->smtp_sockopen_relay (); 
        } 
    } 
  
    function smtp_sockopen_relay() { 
        $this->log_write ( "Trying to " . $this->smtp_host . ":" . $this->smtp_port . "\n" ); 
        $this->sock = @fsockopen ( $this->smtp_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->smtp_host . "\n" ); 
            $this->log_write ( "Error: " . $errstr . " (" . $errno . ")\n" ); 
            return FALSE; 
        } 
        $this->log_write ( "Connected to relay host " . $this->smtp_host . "\n" ); 
        return TRUE; 
    } 
  
    function smtp_sockopen_mx($address) { 
        $domain = ereg_replace ( "^.+@([^@]+)$", "\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 to " . $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_message($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 (! preg_match("/^[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 = "/\([^()]*\)/"; 
        while ( preg_match( $comment, $address ) ) { 
            $address = preg_replace ( $comment, '', $address ); 
        } 
        return $address; 
    } 
  
    function get_address($address) { 
        return trim ( preg_replace ( "/(.*[<])?([^<>]+)[>]?/i", "$2", $address ) ); 
    } 
  
    function get_mailfrom($address,$mail_from) { 
        return $mail_from . "<{$address}>"; 
    } 
  
    function smtp_debug($message) { 
        if ($this->debug) { 
            return $message; 
        } 
    } 
}//CLASS SMTP END-----

Code:
`<?php` `/*` ` SMTP类` `* @package DolrPHP` `* @author Joy chao <joy@joychao.cc>` `* @version v2.0` `* @copyright Copyright (c) 2012. DolrPHP.com` `* @modifier Joy chao <joy@joychao.cc>` `* @lastmodified Joy chao 2012-4-30` `/` `class` `Smtp {` `public` `$smtp_host;` `//SMTP主机,如: smtp.qq.com` `public` `$smtp_port` `= 25;` `//SMTP端口` `public` `$auth` `= TRUE;` `//是否需要帐户认证` `public` `$user;` `//帐户名` `public` `$pass;` `//帐户密码` `public` `$debug` `= FALSE;` `//开启调试` `public` `$time_out;` `public` `$host_name;` `public` `$log_file;` `public` `$sock;` `/` ` 构造函数，连接smtp服务器` `* @param string smtp服务器` `* @param int smtp服务器端口` `* @param bool smtp服务器是否需要认证` `* @param string smtp服务器邮件帐号` `* @param string smtp服务器邮件密码` `/` `function` `smtp($smtp_host,` `$smtp_port` `= 25,` `$auth` `= TRUE,` `$user` `=` `'',` `$pass` `=` `'') {` `$this->debug = FALSE;` `$this->smtp_port = trim (` `$smtp_port` `);` `$this->smtp_host = trim (` `$smtp_host` `);` `$this->time_out = 30;` `// is used in fsockopen()` `$this->auth = trim (` `$auth` `);` `// auth` `$this->user = trim (` `$user` `);` `$this->pass = trim (` `$pass` `);` `$this->host_name =` `"localhost";` `// is used in HELO command` `$this->log_file =` `'';` `$this->sock = FALSE;` `}` `/` ` 发送邮件主方法` `* @param string $to 收件人` `* @param string $mail_from 发件人` `* @param string $subject 主题` `* @param string $body 内容` `* @param string $mailtype 邮件类型（HTML/TXT）` `* @param string $cc 抄送` `* @param string $bcc 密送` `* @param string $additional_headers 额外头信息` `* @return boolean 成功或者失败` `/` `function` `sendmail($to,` `$mail_from,` `$subject` `=` `'',` `$body` `=` `'',` `$mailtype` `=` `"HTML",` `$cc` `=` `'',` `$bcc` `=` `'',` `$additional_headers` `=` `'') {` `$to` `= trim (` `$to` `);` `$stringEncode` `= mb_detect_encoding($body,` `array('UTF-8','GBK','ASCII','GB2312'));` `$subject` `= iconv($stringEncode,'UTF-8',$subject);` `$body` `= iconv($stringEncode,'UTF-8',$body);` `$body` `= preg_replace (` `"/(^\|(\r\n))(\.)/",` `"\\1.\\3",` `base64_encode($body));` `$header` `=` `"MIME-Version:1.0\r\n";` `if` `(strtoupper` `(` `$mailtype` `) ==` `"HTML") {` `$header` `.=` `"Content-Type:text/html;charset=utf-8\r\n";` `}` `$header` `.=` `"Content-Transfer-Encoding: base64\n";` `$header` `.=` `"To: "` `.` `$to` `.` `"\r\n";` `if` `($cc` `!=` `'') {` `$header` `.=` `"Cc: "` `.` `$cc` `.` `"\r\n";` `}` `$header` `.=` `"From: "` `.` `$this->get_mailfrom (` `$this->user,` `$mail_from` `) .` `"\r\n";` `$header` `.=` `"Subject: "` `.` `$subject` `.` `"\r\n";` `$header` `.=` `$additional_headers;` `$header` `.=` `"Date: "` `.` `date` `(` `"r"` `) .` `"\r\n";` `$header` `.=` `"X-Mailer:By Apache (PHP/"` `. phpversion() .` `")\r\n";` `list (` `$msec,` `$sec` `) =` `explode` `(` `' ', microtime() );` `$header` `.=` `"Message-ID: <"` `.` `date` `(` `'YmdHis',` `$sec` `) .` `"."` `. ($msec` ` 1000000) .` `"."` `.` `substr` `(` `$mail_from,` `strpos` `(` `$mail_from,` `'@'` `) ) .` `">\r\n";` `$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` `)) {` `$this->log_write (` `"Error: Cannot send email to "` `.` `$rcpt_to` `.` `"\n"` `);` `$sent` `= FALSE;` `continue;` `}` `if` `($this->smtp_send (` `$this->host_name,` `$this->user,` `$rcpt_to,` `$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` `$sent;` `}` `/*` ` 发送邮件` `* @access public` `/` `function` `smtp_send($helo,` `$from,` `$to,` `$header,` `$body` `=` `'') {` `if` `(!` `$this->smtp_putcmd (` `"HELO",` `$helo` `)) {` `return` `$this->smtp_error (` `"sending HELO command"` `);` `}` `// auth` `if` `($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:<"` `.` `$to` `.` `">"` `)) {` `return` `$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 <CR><LF>.<CR><LF> [EOM]"` `);` `}` `if` `(!` `$this->smtp_putcmd (` `"QUIT"` `)) {` `return` `$this->smtp_error (` `"sending QUIT command"` `);` `}` `return` `TRUE;` `}` `function` `smtp_sockopen($address) {` `if` `($this->smtp_host ==` `'') {` `return` `$this->smtp_sockopen_mx (` `$address` `);` `}` `else` `{` `return` `$this->smtp_sockopen_relay ();` `}` `}` `function` `smtp_sockopen_relay() {` `$this->log_write (` `"Trying to "` `.` `$this->smtp_host .` `":"` `.` `$this->smtp_port .` `"\n"` `);` `$this->sock = @fsockopen` `(` `$this->smtp_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->smtp_host .` `"\n"` `);` `$this->log_write (` `"Error: "` `.` `$errstr` `.` `" ("` `.` `$errno` `.` `")\n"` `);` `return` `FALSE;` `}` `$this->log_write (` `"Connected to relay host "` `.` `$this->smtp_host .` `"\n"` `);` `return` `TRUE;` `}` `function` `smtp_sockopen_mx($address) {` `$domain` `=` `ereg_replace` `(` `"^.+@([^@]+)$",` `"\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 to "` `.` `$host` `.` `":"` `.` `$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 (` `", ",` `$MXHOSTS` `) .` `")\n"` `);` `return` `FALSE;` `}` `function` `smtp_message($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` `(! preg_match("/^[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` `=` `"/\([^()]\)/";` `while` `( preg_match(` `$comment,` `$address` `) ) {` `$address` `= preg_replace (` `$comment,` `'',` `$address` `);` `}` `return` `$address;` `}` `function` `get_address($address) {` `return` `trim ( preg_replace (` `"/(.*[<])?([^<>]+)[>]?/i",` `"$2",` `$address` `) );` `}` `function` `get_mailfrom($address,$mail_from) {` `return` `$mail_from` `.` `"<{$address}>";` `}` `function` `smtp_debug($message) {` `if` `($this->debug) {` `return` `$message;` `}` `}` `}//CLASS SMTP END-----`

使用范例： mail.php

?

Code:

<?php 
/** 
 * SMTP邮件发送演示 
 * 
 * @author  Joychao <Joy@Joychao.cc> 
 **/
//包含SMTP类文件 
include './Smtp.class.php'; 
  
$smtpserver   = "smtp.exmail.qq.com";   //SMTP服务器  
$smtpport     = 25;                     //SMTP服务器端口  
$smtpusermail = "admin@joychao.cc";     //SMTP服务器的用户邮箱  
$smtpuser     = "admin@joychao.cc";     //SMTP服务器的用户帐号  
$smtppass     = "123456";               //SMTP服务器的用户密码  
  
$mailfrom     = "Joychao'Blog";         //发送者名称 
$mailto       = '44294631@qq.com';      //发送给谁（QQ邮箱情况下不能和上面的登录帐户一样，否则发不出去） 
$mailsubject  = "Hello world!这是一封测试邮件的标题";  //邮件主题  
$mailbody     = '您好！这是一封测试邮件来自<a href="http://www.joychao.cc">Joychao\'Blog</a>';//邮件内容，支持HTML 
$mailtype     = "HTML";                 //邮件格式（HTML/TXT）,TXT为文本邮件  
##########################################  
//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.  
$smtp = new Smtp($smtpserver,$smtpport,true,$smtpuser,$smtppass);//实例化SMTP类 
//是否显示调试信息  
$smtp->debug = 1; 
//发送邮件 
$res=$smtp->sendmail($mailto, $mailfrom, $mailsubject, $mailbody, $mailtype); 
if($res){ 
    echo '发送成功'; 
}else{ 
    echo '发送失败'; 
}

Code:
`<?php` `/*` ` SMTP邮件发送演示` `` ` @author Joychao <Joy@Joychao.cc>` `**/` `//包含SMTP类文件` `include` `'./Smtp.class.php';` `$smtpserver` `=` `"smtp.exmail.qq.com";` `//SMTP服务器` `$smtpport` `= 25;` `//SMTP服务器端口` `$smtpusermail` `=` `"admin@joychao.cc";` `//SMTP服务器的用户邮箱` `$smtpuser` `=` `"admin@joychao.cc";` `//SMTP服务器的用户帐号` `$smtppass` `=` `"123456";` `//SMTP服务器的用户密码` `$mailfrom` `=` `"Joychao'Blog";` `//发送者名称` `$mailto` `=` `'44294631@qq.com';` `//发送给谁（QQ邮箱情况下不能和上面的登录帐户一样，否则发不出去）` `$mailsubject` `=` `"Hello world!这是一封测试邮件的标题";` `//邮件主题` `$mailbody` `=` `'您好！这是一封测试邮件来自<a href="http://www.joychao.cc">Joychao\'Blog</a>';//邮件内容，支持HTML` `$mailtype` `=` `"HTML";` `//邮件格式（HTML/TXT）,TXT为文本邮件` `##########################################` `//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.` `$smtp` `=` `new` `Smtp($smtpserver,$smtpport,true,$smtpuser,$smtppass);//实例化SMTP类` `//是否显示调试信息` `$smtp->debug = 1;` `//发送邮件` `$res=$smtp->sendmail($mailto,` `$mailfrom,` `$mailsubject,` `$mailbody,` `$mailtype);` `if($res){` `echo` `'发送成功';` `}else{` `echo` `'发送失败';` `}`

这里补充一点：QQ邮箱不让自己SMTP发给自己，所以测试时请留意这个问题。

代码呢百度网盘：http://pan.baidu.com/share/link?shareid=78838&uk=453059967