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if(!$fp=fsockopen($this->smtp['host'],$this->smtp['port'],$errno,$errstr)){
$this->message[]="连接邮件服务器失败,请检查:\r\n1、服务器地址和端口是否设置正确!\r\n2、网络是否通畅!";
return false;
}
if(strncmp(fgets($fp,512),'220',3)!=0){
$this->message[]="连接邮件服务器失败,请检查:\r\n1、服务器地址和端口是否设置正确!\r\n2、网络是否通畅!";
return false;
}
if($this->smtp['auth']){
fwrite($fp,"EHLO ".$this->smtp['posthost']."\r\n");
while($rt=strtolower(fgets($fp,512))){
if(strpos($rt,"-")!==3 || empty($rt)){
break;
}elseif(strpos($rt,"2")!==0){
$this->message="与服务器招呼握手时错误";
return false;
}
}
fwrite($fp, "AUTH LOGIN\r\n");
if(strncmp(fgets($fp,512),'334',3)!=0){
$this->message="提示服务器要登陆验证时错误";
return false;
}
fwrite($fp, base64_encode($this->smtp['user'])."\r\n");
if(strncmp(fgets($fp,512),'334',3)!=0){
$this->message="SMTP AUTH LOGIN 验证 用户名 错误!";
return false;
}
fwrite($fp, base64_encode($this->smtp['pass'])."\r\n");
if(strncmp(fgets($fp,512),'235',3)!=0){
$this->message="SMTP AUTH LOGIN 验证 密码 错误!";
return false;
}
} else{
fwrite($fp, "HELO ".$this->smtp['posthost']."\r\n");
}
$from = $this->smtp['from'];
$from = preg_replace("/.*\<(.+?)\>.*/", "\\1", $from);
fwrite($fp, "MAIL FROM: <$from>\r\n");
if(strncmp(fgets($fp,512),'250',3)!=0){
$this->message="发信人地址错误!";
return false;
}
fwrite($fp, "RCPT TO: <$toemail>\r\n");
if(strncmp(fgets($fp,512),'250',3)!=0){
$this->message="收信人地址错误!";
return false;
}
fwrite($fp, "DATA\r\n");
if(strncmp(fgets($fp,512),'354',3)!=0){
$this->message="邮件数据发送失败!";
return false;
}
$msg = "Date: ".date("r")."\r\n";
$msg .= "Subject: $send_subject\r\n";
$msg .= "$additional\r\n";
$msg .= "$send_message\r\n.\r\n";
fwrite($fp, $msg);
$lastmessage = fgets($fp, 512);
if(substr($lastmessage, 0, 3) != 250){
$this->message="连接邮件服务器失败,请检查:\r\n1、服务器地址和端口是否设置正确!\r\n2、网络是否通畅!";
return false;
}
fwrite($fp, "QUIT\r\n");
fclose($fp);
return true;