php 发送邮件显示问题
文字异常
$info = "=?utf-8?B?" . base64_encode($info) . '?=';
图片如果展示不出来,做成base64
$img = getimagesize($file_name);
$url = "data:{$img['mini']};base64," . base64_encode(file_get_contents($file_name));