总结下，在exchange做mta的情况，html邮件不能用 <pre>标签， 哥就是被这个郁闷的死去活来的。
发送html邮件是很平常的事情，但是不知道啥原因 ， 这次始终有问题，最后才确定是pre 。。。
import smtplib from email.mime.text import MIMEText from email.mime.image import MIMEImage from email.MIMEMultipart import MIMEMultipart
def HtmlContent(info,url='',url_msg='',url_img=''):
content='''
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf8" />
<title>Demo: CSS3 Buttons</title>
<style type="text/css">
.download {
display: inline-block;
margin-top: 20px;
padding: 15px;
font-size: 26px;
font-weight: bold;
color: #fff;
text-shadow: none;
border-radius: 4px;
-webkit-animation-name: fadeIn;
-moz-animation-name: fadeIn;
-ms-animation-name: fadeIn;
-o-animation-name: fadeIn;
animation-name: fadeIn;
-webkit-animation-delay: .9s;
-webkit-animation-fill-mode: both;
-webkit-animation-duration: 1.2s;
-webkit-animation-iteration-count: 1;
-webkit-animation-timing-function: ease;
-webkit-transition: all 0.3s ease;
-moz-transition: all 0.3s ease;
-o-transition: all 0.3s ease;
transition: all 0.3s ease;
}
.download:hover {
-webkit-transform: scale(1.1);
-moz-transform: scale(1.1);
-o-transform: scale(1.1);
transform: scale(1.1);
}
a {
text-decoration: none;
}
div.twitter {
font-size: 20px;
padding: 5px;
color: #fff;
background: #2da1ec;
border-radius: 3px;
}
div.twitter:hover {
color: #fff;
background: #2eacff;
}
div.twitter:active {
top: 1px;
}
padding: 0px 20.48px;
}
</style>
</head>
<body>
<div>
</div>
<!-- <div class="twitter" data-tip="twitter"> -->
<table width="750" border="1" cellpadding="0" cellspacing="0" style="border:0px solid #ff0000">
%s
</table>
<!-- </div> -->
<br>
<br>
<a href="%s">%s</a>
<br>
<br>
<br>
<img src="%s" />
<br>
</body>
</html>
'''%(info,url,url_msg,url_img)
return content
