SPAM on List...
UseNet-Posting-02141- at zocki.toppoint.de
Fri Nov 15 13:40:59 EST 2002
jw at pegasys.ws(jw schultz) 14.11.02 12:41
Once upon a time jw schultz shaped the electrons to say...
>On Thu, Nov 14, 2002 at 03:01:02PM +0000, Bruno Ferreira wrote:
>> - Hold its message
>> - Send an email to that address stating that, once it is not
>> subscriber, it must reply to "this" e-mail (which contains some sort
>> of message ID/stamp).
>> - If it's a real person on the other side, he/she will reply
>> the message gets posted. If no reply is obtained for say... 3 days
>> (?) then the original message gets discarded.
>Hmm. Sounds like an ideal candidate for DoS. Someone sends
>a pile of large emails and doesn't confirm.
That can happen always with any mailing system.
Another problem may be, that the confirmation request
maybe sent to a third guy. Mail bombing him.
That's possible too with a "closed list" that tells
only the envelope-from that it is "closed".
There is no free lunch...
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