Email parser 因 markup 混乱，消息被大量截断

[supermathie (Michael Brown)]

I have another test case for the email parser…

This message came into NANOG and the mail parser truncated it inappropriately:

Job,

This looks fantastic, thank you!

For my edification and clarification, the reason you don't need a

```
deny 2000::/3
```

```
or
```

How it looks in my email client:

No doubt dubious HTML markup is to blame here, but possibly we could handle this better.