[Esa-l] HTML.dropper (fwd)

[John D. Hardin]

On Thu, 18 Jan 2001, Bjarni R. Einarsson wrote:

> > So what do we do? Arbitrarily limit all headers to 256 characters?
> 
> I think this particular problem can be defanged simply by
> *appending* the word "DEFANGED" to unusually long subject lines.  
> Hopefully few mailers will make stupid assumptions about subject
> lengths, but appending this word will remove any odd chance that
> the Subject's last few characters get interpreted as an extension
> name.

Hmm. If we're going to modify the subject header to sanitize this, I's
say simply collapse all runs of blanks. That, or look for a long
subject header ending with \.[a-z0-9][a-z0-9][a-z0-9] and defang that.

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