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Does Your Email Provider Know What a "Joe Job" is?

posted by cmn32480 on Sunday April 24 2016, @11:38PM   Printer-friendly
from the spammers-should-be-{insert-punishment-here} dept.

canopic jug writes:

Peter N. M. Hansteen asks the question, "Does Your Email Provider Know What A "Joejob" Is?" in his blog and provides some data and discussion. He provides anecdotal evidence which seems to indicate that Google and possibly other mail service providers are either quite ignorant of history when it comes to email and spam, or are applying unsavory tactics to capture market dominance.

[Ed Note: I had to look up "joe job" to find out what it is. According to wikipedia:

A joe job is a spamming technique that sends out unsolicited e-mails using spoofed sender data. Early joe jobs aimed at tarnishing the reputation of the apparent sender or inducing the recipients to take action against them (see also e-mail spoofing), but they are now typically used by commercial spammers to conceal the true origin of their messages.

]

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  • (Score: 4, Interesting) by TheRaven on Monday April 25 2016, @08:48AM

    by TheRaven (270) on Monday April 25 2016, @08:48AM (#336886) Journal
    Think about the economics. What's the return on investment from sending spam? Let's say that you make £1000 in profit before the victim of the joe job notices and changes the key, above the profit that you would have made from using a brand-new domain that you just registered. That buys you about 1500 GPU hours from Amazon, but for it to be worthwhile you'd probably want to keep about half of that profit, so that gives you 750 hours of GPU time. Now the question becomes 'what is the biggest product of two primes that you can factor in 750 hours on a modern GPU?' From a quick search, it doesn't look as if even 768-bit keys are feasible within that budget.
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