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Re: Zmailer denial-of-service attack



> 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