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Home > Archive > Anonymous Servers > September 2007 > spam spam spam ... compromising nym accounts?
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spam spam spam ... compromising nym accounts?
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| Echeloff 2007-09-26, 7:11 pm |
| I'm worried about the amount of spam besieging some of the most
reliable nym servers and scarcely see countermeasures on the part of
their admins.
* Hod does nothing to block spam.
* Panta checks for spam, but still forwards such mail, at least
flagged as spam.
* Mixmin runs SA with a suitable parameter set and efficiently
suppresses spam. Thanks!
Doesn't a high incidence of reply messages lead to an enormous risk of
becoming compromised and render a nym account useless within a short
period of time? As long as it's not possible to let the nym holder
decide on the level of spam filtering, wouldn't it be better to
activate it in general?
Furthermore I noticed the simultaneous sending of spam to all my nyms
at a certain server, which indicates the utilization of nym lists by
the spammer. Maybe sending hash values of occupied pseudonyms instead
of clear text lists could here also be advantageous, at least for
those with a longer name resistant to a brute force attack. I see no
reason for maintaining the current condition of making all mailbox
addresses public.
@ Zax: In case you activated SA's hashcash plugin, what parameters
have you chosen?
Many thanks for keeping your servers going!
Kind regards
Echeloff
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| -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
On Wed, 26 Sep 2007 16:18:32 -0600 (MDT), Echeloff wrote in
Message-Id: <ba580fbf73d27c4668b4e5525be68615@pseudo.borked.net>:
> @ Zax: In case you activated SA's hashcash plugin, what parameters
> have you chosen?
I run SpamAssassin with nothing more than a couple of scoring filters
changed. Messages containing nothing but HTML score highly and I mark
up the BAYES_99 filter. In short, if it's HTML and scores 99% on the
Bayes, it's spam.
Your message prompted me to check the bit-bucket. In the last eight
weeks SA filtered about 3000 messages for the nymserver for approx 20
active nyms. I can't claim to check all those messages for
false-positives, but in general the filters seem to work quite well.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (GNU/Linux)
iD8DBQFG+uLYlKZ6CY7Vd0MRCtrXAKC/r1MuqOD4aiq+ANaEhFDGEVhlRwCfaz93
U0U6TJn7WJJ8E7Kzo5oTfQ4=
=9+rH
-----END PGP SIGNATURE-----
--
pub 1024D/8ED57743 2003-07-08 Bananasplit Operator
Key fingerprint = 796F 67E0 E890 A0BB BDAE EBB4 94A6 7A09 8ED5 7743
uid Admin <admin.bananasplit.info>
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| Dytamite 2007-09-27, 7:14 pm |
| Zax wrote in message <fdenso$emr$1@bananasplit.info>
> Your message prompted me to check the bit-bucket. In the last eight
> weeks SA filtered about 3000 messages for the nymserver for approx 20
> active nyms. I can't claim to check all those messages for
> false-positives, but in general the filters seem to work quite well.
I got some spam during the last week-end and monday. Nothing
since tuesday.
Thank you Zax for your help.
--
Dytamite
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