本文实例讲述了PHP实现发送邮件的方法。分享给大家供大家参考，具体如下：
邮件发送类
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; //邮件发送成功失败的日志记录文件
$this->sock = FALSE;
}
function mail_encode($str)
{
//return '=?utf-8?B?'.base64_encode(mb_convert_encoding($str,"GBK","UTF-8")).'?=';
return "=?UTF-8?B?".base64_encode($str)."?=";
}
/* 主函数，发送邮件 */
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= $boundary\r\n";
} else {
$header .= "Content-Type:text/html; charset=\"UTF-8\" \r\n";
}
}
$header .= "To: " . $to . "\r\n";
if ($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 () );
$header .= "Message-ID: <" . date ( "YmdHis",$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 ( $TO,$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 <" . $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 $sent;
}
/* 私有函数 */
function smtp_send($helo,$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:<" . $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) {
$domain = ereg_replace ( "^.+@([^@]+){1}quot;,"\1",$address );
if (! @getmxrr ( $domain,$MXHOSTS )) {
$this->log_write ( "Error: Cannot resolve MX \"" . $domain . "\"\n" );
return FALSE;
}
foreach ( $MXHOSTS as $host ) {
$this->log_write ( "Trying to " . $host . ":" . $this->smtp_port . "\n" );
$this->sock = @fsockopen ( $host,$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 ( $response . "\n" );
if (! ereg ( "^[23]",$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 = '[()]∗';
while ( ereg ( $comment,$address ) ) {
$address = ereg_replace ( $comment,$address );
}
return $address;
}
function get_address($address) {
$address = ereg_replace ( "([ \t\r\n])+",$address );
$address = ereg_replace ( "^.*<(.+)>.*{1}quot;,$address );
return $address;
}
function smtp_debug($message) {
if ($this->debug) {
echo $message;
}
}
}
?>
调用邮件发送类发送邮件
debug = TRUE;//是否显示发送的调试信息
if ($smtp->sendmail ( $flag,$smtpemailto,$smtpmailfrom,$mailsubject,$mailbody,$cc,$bcc,$additional_headers )) {
echo ("发送成功");
} else {
echo ("发送失败");
}
}
?>
希望本文所述对大家php程序设计有所帮助。
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