首页 / 网页编程 / PHP / 功能强大的PHP发邮件类

<?phpclass smtp{var $smtp_port;var $time_out;var $host_name;var $log_file;var $relay_host;var $debug;var $auth;var $user;var $pass;var $sock; function smtp（$relay_host = "", $smtp_port = 25,$auth = false,$user,$pass）{$this->debug = true;$this->smtp_port = $smtp_port;$this->relay_host = $relay_host;$this->time_out = 30; $this->auth = $auth;$this->user = $user;$this->pass = $pass;$this->host_name = "localhost"; $this->log_file ="";$this->sock = FALSE;} 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: $from<".$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: <".date（"YmdHis", $sec）.".".（$msec*1000000）.".".$mail_from.">
";$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 <".$rcpt_to.">
"）;} else {$this->log_write（"Error: Cannot send email to <".$rcpt_to.">
"）;$sent = FALSE;}fclose（$this->sock）;$this->log_write（"Disconnected from remote host
"）;}echo "<br>";echo $header;return $sent;}/* Private Functions */function smtp_send（$helo, $from, $to, $header, $body = ""）{if （！$this->smtp_putcmd（"HELO", $helo）） {return $this->smtp_error（"sending HELO command"）;}#authif（$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->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 $message."<br>";}}function get_attach_type（$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 $filedata;}}/***实例化邮件类*/$smtpserver = "smtp.163.com";//SMTP服务器$smtpserverport =25;//SMTP服务器端口$smtpusermail = "240331511@163.com";//SMTP服务器的用户邮箱$smtpemailto = "240331511@163.com"; //发送给谁$smtpuser = "240331511@163.com"; //SMTP服务器的用户帐号$smtppass = "123147mcl"; //SMTP服务器的用户密码$mailsubject = "PHP100测试邮件系统";//邮件主题$mailbody = "<h1>你的用户名是张三，密码是123147mcl </h1>";//邮件内容$mailtype = "HTML";//邮件格式（HTML/TXT）,TXT为文本邮件$smtp = new smtp（$smtpserver,$smtpserverport,true,$smtpuser,$smtppass）;$smtp->debug = true; //是否显示发送的调试信息$smtp->sendmail（$smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype）;?>