几种常用的php发送邮件代码

//连接 IMAP 服务器链接，IMAP 的端口为 143。
$mbox = imap_open("{localhost:143}INBOX","user_id","password");
//连接POP3 服务器链接，POP3 的端口为 110。
$mbox = imap_open("{localhost/pop3:110}INBOX","user_id","password");
//连接NNTP 服务器链接，NNTP 的端口为 119。
$nntp = imap_open("{localhost/nntp:119}comp.test","","");
?>

//连接IMAP服务器
$mbox = imap_open("{imap.example.org}", "username", "password", OP_HALFOPEN)
      or die("连接失败: " . imap_last_error());
$list = imap_getmailboxes($mbox, "{imap.example.org}", "*");
if (is_array($list)) {
    foreach ($list as $key => $val) {
        echo "($key) ";
        echo imap_utf7_decode($val->name) . ",";
        echo "'" . $val->delimiter . "',";
        echo $val->attributes . "
";
    }
} else {
    echo "imap_getmailboxes 失败: " . imap_last_error() . " ";
}
//关闭imap连接
imap_close($mbox);
?>

mail( "[email protected]", "欢迎你", "hello,你好! " );
?>

//定义边界线
$boundary = uniqid( "" );
//生成邮件头
$header = "From: $from Content-type: multipart/mixed;
boundary="$boundary" X-Mailer:PHP X-Priority:3";
//获取附件文件的MIME类型
$mimetype = mime_content_type('test.zip')
//获取附件文件的名字
$attach = 'test.zip'
//对附件文件进行编码和切分
$fp = fopen($attach, "r");
$content = fread($fp, filesize($attach));
$content = chunk_split( base64_encode($content) );
//生成邮件主体
$body ="
--$boundary
Content-type: text/plain; charset=iso-8859-1
Content-transfer-encoding: 8bit
$message
--$boundary
Content-Type: $mimeType; name=$filename
Content-Disposition: attachment; filename=$filename
Content-Transfer-Encoding: base64
$content
--$boundary--";
//发送邮件
mail( $to, $subject, $body, $header );
?>

$mbox=imap_open("{localhost:143}INBOX","myid","mypw");
$message=imap_body($mbox,1);
imap_close($mbox);
echo$message;
?>