Hastymail 2.1.1 RC1 发布

Hastymail是一个用PHP语言开发的IMAP/SMTP的Web接口，界面如下图所示：

该版本在上版本的基础上修复了很多bug，也做了一些改进，包括：

1. Two recently discovered XSS issues were fixed.
2. HTML filtering was upgraded by switching to HTMLPurifier 4.3.0.
3. Two new themes were added, including a significant redesign with the "clean" theme.
4. Four new plugins were added, including a message_tags plugin that lets you organize your messages using tags