需要用php发送邮件,不想要phpmailer那么复杂,找来找去,总算找到了一个好用的,分享出来,php邮件发送类,一共包含两个文件.代码如下：
sent_mail.php
debug = true;//是否显示发送的调试信息$smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype);?>
email.class.php
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 = preg_replace(/(^|(\r\n))(\\.)/, \\1.\\3, $body); $header = mime-version:1.0\r\n; if ($mailtype == html) { $header .= content-type:text/html\r\n; } $header .= to: . $to . \r\n; if ($cc != ) { $header .= cc: . $cc . \r\n; } $header .= from: $from\r\n; $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: \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, $mail_from, $rcpt_to, $header, $body)) { $this->log_write(e-mail has been sent to \n); } else { $this->log_write(error: cannot send email to \n); $sent = false; } fclose($this->sock); $this->log_write(disconnected from remote host\n); } echo
; echo $header; 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 . \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) { $domain = preg_replace(/^.+@([^@]+)$/, \\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) { $address = preg_replace(/([ \t\r\n])+/, , $address); $address = preg_replace(/^.*.*$/, \\1, $address); return $address; } function smtp_debug($message) { if ($this->debug) { echo $message .
; } } function get_attach_type($image_tag) { // $filedata = array(); $img_file_con = fopen($image_tag, r); unset($image_data); while ($tem_buffer = addslashes(fread($img_file_con, filesize($image_tag)))) $image_data = $tem_buffer; fclose($img_file_con); $filedata['context'] = $image_data; $filedata['filename'] = basename($image_tag); $extension = substr($image_tag, strrpos($image_tag, .), strlen($image_tag) - strrpos($image_tag, .)); switch ($extension) { case .gif: $filedata['type'] = image/gif; break; case .gz: $filedata['type'] = application/x-gzip; break; case .htm: $filedata['type'] = text/html; break; case .html: $filedata['type'] = text/html; break; case .jpg: $filedata['type'] = image/jpeg; break; case .tar: $filedata['type'] = application/x-tar; break; case .txt: $filedata['type'] = text/plain; break; case .zip: $filedata['type'] = application/zip; break; default: $filedata['type'] = application/octet-stream; break; } return $filedata; }} // end class ?>
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以上就介绍了关于php发送邮件的两个类（找了好久），包括了方面的内容，希望对php教程有兴趣的朋友有所帮助。