[PhillyOnRails] How To needed -- testing for header injection

[Walter Lee Davis <waltd@wdstudio.com>]

I have a form that I just noticed was sending some spam mail. I 
hardened its inputs, replacing all instances of \n,\r, and \t with ?, 
and I haven't seen any more attempts coming through it. But I would 
like to check. I was there in October, and recall Cliff Moon doing 
something tricky along these lines. Can anyone remind me of the right 
way to test this?

Thanks,

Walter

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