Just use Report This for now. I (and other moderators) respond as soon as possible with a one-touch ban-and-clean.

The problem is that whoever is behind this is relentless. I agree that another line of defense would be very helpful.

One is right here, doing his volunteer job when he can get free of other obligations.

Personally I prefer the suggestion of one person reporting and letting everyone else know in the thread. Checking out every single email takes time-- much of it wasted.