Board Thread:Support Requests - Getting Technical/@comment-24170167-20151221201436/@comment-1757994-20151221214920

It's possible, but it's a pain.

Create a form that tries to save the comments to something that's blocked by AbuseFilter. The comments won't be saved (since AbuseFilter blocks it), but they can be written into the AbuseFilter log, which only admins can read.

Like I said, it's a pain.