debug = false;//$emailtype ＝ html;for ($i=0; $i $smtp->sendmail(*****, ******, hello world!,this is only a test!);}echo 共发送了 $i 封邮件！;?>
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下面是具体类的实现。
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 = ; $this->sock = false; } /* main function */ function sendmail($to, $from, $subject = , $body = , $mailtype= , $cc = , $bcc = , $additional_headers = ) { $mail_from = $this->get_address($this->strip_comment($from)); $body = ereg_replace((^|( ))(.), 1.3, $body); $header .= mime-version:1.0 ; if ($mailtype == html) { $header .= content-type:text/html ; } $header .= to: . $to . ; if ($cc != ) { $header .= cc: . $cc . ; } $header .= from: $from; ; $header .= subject: . $subject . ; $header .= $additional_headers; $header .= date: . date(r) . ; $header .= x-mailer:by redhat (php/ . phpversion() . ) ; list($msec, $sec) = explode( , microtime()); $header .= message-id: ; ; $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 . ); $sent = false; continue; } if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)) { $this->log_write(e-mail has been sent to ; ); } else { $this->log_write(error: cannot send email to ; ); $sent = false; } fclose($this->sock); $this->log_write(disconnected from remote host ); } return $sent; } /* private functions */
function smtp_send($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:;)) { 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 $this->smtp_error(sending ;;.;; [eom]); } if (!$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 to . $this->relay_host . : . $this->smtp_port . ); $this->sock = @fsockopen($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 . ); $this->log_write(error: . $errstr . ( . $errno . ) ); return false; } $this->log_write(connected to relay host . $this->relay_host . ); return true;; } function smtp_sockopen_mx($address) { $domain = ereg_replace(^.+@([^@]+)$, 1, $address); if (!@getmxrr($domain, $mxhosts)) { $this->log_write(error: cannot resolve mx . $domain . ); return false; } foreach ($mxhosts as $host) { $this->log_write(trying to . $host . : . $this->smtp_port . ); $this->sock = @fsockopen($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 . ); $this->log_write(error: . $errstr . ( . $errno . ) ); continue; } $this->log_write(connected to mx host . $host . ); return true; } $this->log_write(error: cannot connect to any mx hosts ( . implode(, , $mxhosts) . ) ); return false; } function smtp_message($header, $body) { fputs($this->sock, $header . . $body); $this->smtp_debug(>; . str_replace( , . >; , $header . >; . $body . >; )); return true; } function smtp_eom() { fputs($this->sock, . ); $this->smtp_debug(. [eom] ); return $this->smtp_ok(); } function smtp_ok() { $response = str_replace( , , fgets($this->sock, 512)); $this->smtp_debug($response . ); if (!ereg(^[23], $response)) { fputs($this->sock, quit ); fgets($this->sock, 512); $this->log_write(error: remote host returned . $response . ); return false; } return true; } function smtp_putcmd($cmd, $arg = ) { if ($arg != ) { if ($cmd == ) $cmd = $arg; else $cmd = $cmd . . $arg; } fputs($this->sock, $cmd . ); $this->smtp_debug(>; . $cmd . ); return $this->smtp_ok(); } function smtp_error($string) { $this->log_write(error: error occurred while . $string . . ); return false; } function log_write($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 . $this->log_file . ); return false;; } flock($fp, lock_ex); fputs($fp, $message); fclose($fp); return true; } function strip_comment($address) { $comment = ([^()]*); while (ereg($comment, $address)) { $address = ereg_replace($comment, , $address); } return $address; } function get_address($address) { $address = ereg_replace(([ ])+, , $address); $address = ereg_replace(^.*;.*$, 1, $address); return $address; } function smtp_debug($message) { if ($this->debug) { echo $message . ;; } }}?>
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