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Re: Zmailer denial-of-service attack




On Mon, 12 Feb 1996, Steve Kotsopoulos wrote:

> > The following message will cause the Zmailer 2.99.26 (probably 
> > earlier versions too) router to dump core.
> 
> It didn't bother zmailer-2.2e6, though.
> Here are the router log messages from it:
> 
> router: unknown envelope header: env-end
> squirrel: 3196 saved for inspection: unrecognized envelope information
> 

  Zmailer-2.2e6 doesn't grok the "env-end" line, and doesn't get a chance 
to read the header.  Remove the "env-end" and try again.

Tom