1.用PHP发送电子邮件的邮件源码方法？
2.base64_encode的实
用PHP发送电子邮件的方法？
<?
/*
* 邮件发送类
*/
class smail {
//您的SMTP 服务器供应商，可以是送邮域名或IP地址
var $smtp = "";
//SMTP需要要身份验证设值为 1 不需要身份验证值为 0，现在大多数的邮件源码SMTP服务商都要验证，如不清楚请与你的送邮爱他美德国版怎么查溯源码smtp 服务商联系。
var $check = 1;
//您的邮件源码email帐号名称
var $username = "";
//您的email密码
var $password = "";
//此email 必需是发信服务器上的email
var $s_from = "";
/*
* 功能：发信初始化设置
* $from 你的发信服务器上的邮箱
* $password 你的邮箱密码
* $smtp 您的SMTP 服务器供应商，可以是送邮字谜小游戏源码域名或IP地址
* $check SMTP需要要身份验证设值为 1 不需要身份验证值为 0，现在大多数的邮件源码SMTP服务商都要验证
*/
function smail ( $from, $password, $smtp, $check = 1 ) {
if( preg_match("/^[^\d\-_][\w\-]*[^\-_]@[^\-][a-zA-Z\d\-]+[^\-](\.[^\-][a-zA-Z\d\-]*[^\-])*\.[a-zA-Z]{ 2,3}/", $from ) ) {
$this->username = substr( $from, 0, strpos( $from , "@" ) );
$this->password = $password;
$this->smtp = $smtp ? $smtp : $this->smtp;
$this->check = $check;
$this->s_from = $from;
}
}
/*
* 功能：发送邮件
* $to 目标邮箱
* $from 来源邮箱
* $subject 邮件标题
* $message 邮件内容
*/
function send ( $to, $from, $subject, $message ) {
//连接服务器
$fp = fsockopen ( $this->smtp, , $errno, $errstr, );
if (!$fp ) return "联接服务器失败".__LINE__;
set_socket_blocking($fp, true );
$lastmessage=fgets($fp,);
if ( substr($lastmessage,0,3) != ) return "错误信息1:$lastmessage".__LINE__;
//HELO
$yourname = "YOURNAME";
if($this->check == "1") $lastact="EHLO ".$yourname."\r\n";
else $lastact="HELO ".$yourname."\r\n";
fputs($fp, $lastact);
$lastmessage == fgets($fp,);
if (substr($lastmessage,0,3) != ) return "错误信息2:$lastmessage".__LINE__;
while (true) {
$lastmessage = fgets($fp,);
if ( (substr($lastmessage,3,1) != "-") or (empty($lastmessage)) )
break;
}
//身份验证
if ($this->check=="1") {
//验证开始
$lastact="AUTH LOGIN"."\r\n";
fputs( $fp, $lastact);
$lastmessage = fgets ($fp,);
if (substr($lastmessage,0,3) != ) return "错误信息3:$lastmessage".__LINE__;
//用户姓名
$lastact=base_encode($this->username)."\r\n";
fputs( $fp, $lastact);
$lastmessage = fgets ($fp,);
if (substr($lastmessage,0,3) != ) return "错误信息4:$lastmessage".__LINE__;
//用户密码
$lastact=base_encode($this->password)."\r\n";
fputs( $fp, $lastact);
$lastmessage = fgets ($fp,);
if (substr($lastmessage,0,3) != "") return "错误信息5:$lastmessage".__LINE__;
}
//FROM:
$lastact="MAIL FROM: <". $this->s_from . ">\r\n";
fputs( $fp, $lastact);
$lastmessage = fgets ($fp,);
if (substr($lastmessage,0,3) != ) return "错误信息6:$lastmessage".__LINE__;
//TO:
$lastact="RCPT TO: <". $to ."> \r\n";
fputs( $fp, $lastact);
$lastmessage = fgets ($fp,);
if (substr($lastmessage,0,3) != ) return "错误信息7:$lastmessage".__LINE__;
//DATA
$lastact="DATA\r\n";
fputs($fp, $lastact);
$lastmessage = fgets ($fp,);
if (substr($lastmessage,0,3) != ) return "错误信息8:$lastmessage".__LINE__;
//处理Subject头
$head="Subject: $subject\r\n";
$message = $head."\r\n".$message;
//处理From头
$head="From: $from\r\n";
$message = $head.$message;
//处理To头
$head="To: $to\r\n";
$message = $head.$message;
//加上结束串
$message .= "\r\n.\r\n";
//发送信息
fputs($fp, $message);
$lastact="QUIT\r\n";
fputs($fp,$lastace);
fclose($fp);
return 0;
}
}
/*发送示例
$sm = new smail( "用户名@.com", "密码", "smtp..com" );
$end = $sm->send( "目标邮箱", "来源邮箱", "这是标题", "这是邮件内容" );
if( $end ) echo $end;
else echo "发送成功！";
*/
>base_encode的送邮实
Base_encode()函数在PHP中用于对字符串进行编码，常见于需要通过电子邮件发送多媒体文件的邮件源码场景。例如，送邮如果你想发送一个压缩文件（如.zip）作为附件，邮件源码而不是送邮直接提供下载链接，可以先将文件内容读取并编码。邮件源码魔签源码说明以下是送邮一个示例，展示了如何使用base_encode()对一个名为$file.zip'的邮件源码文件进行编码，然后将其作为电子邮件的grbl源码在线查看附件发送:
首先，打开并读取文件内容:
php
$tempfile = '/full/path/to/file.zip';
$handle = fopen($tempfile, 'rb');
$file_content = fread($handle, filesize($tempfile));
fclose($handle);
然后，对文件内容进行Base编码:
php
$encoded = chunk_split(base_encode($file_content));
接下来，构造电子邮件消息，turboc库函数源码包括MIME类型和附件信息:
php
$subject = 'File you requested from RRWH';
$from = 'an_email_address@example.com';
$headers = 'MIME-Version: 1.0' . "\n";
//...更多MIME头信息
//构造附件部分
$message = "Hello,\n";
$message .= "We have attached the requested PHP script as a zip file.\n";
//...更多邮件内容和附件信息
$message .= "Content-Disposition: attachment; filename='$thisfile'\n";
$message .= chunk_split(base_encode($encoded));
//邮件结束标记
$message .= '------=_NextPart___ABCD.FDAC--';
最后，使用mail()函数发送带有Base编码附件的邮件:
php
mail($email, $subject, $message, $headers, '-f'.$from);
通过这个过程，你可以确保文件作为安全的附件形式通过邮件发送，而不是直接暴露在公开链接中。
