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From John Hardin <>
Subject Re: IADB whitelist - again
Date Thu, 01 Mar 2018 19:04:11 GMT
On Thu, 1 Mar 2018, Sebastian Arcus wrote:

> I know I have brought up this issue on this list before, and sorry for the 
> persistence, but having 7 different rules adding scores for the IADB 
> whitelist still seems either ridiculous, or outright suspect:
> -0.2 RCVD_IN_IADB_RDNS      RBL: IADB: Sender has reverse DNS record
>                             [ listed in]
> -0.1 RCVD_IN_IADB_SPF       RBL: IADB: Sender publishes SPF record
> -0.1 RCVD_IN_IADB_OPTIN     RBL: IADB: All mailing list mail is opt-in
> -0.0 RCVD_IN_IADB_SENDERID  RBL: IADB: Sender publishes Sender ID record
> -0.0 RCVD_IN_IADB_LISTED    RBL: Participates in the IADB system
> -0.1 RCVD_IN_IADB_DK        RBL: IADB: Sender publishes Domain Keys record
> -0.1 RCVD_IN_IADB_VOUCHED   RBL: ISIPP IADB lists as vouched-for sender
> It really raises some very uncomfortable questions regarding the impartiality 
> of SA and/or its anti-spam capabilities. And by the way, this message is 
> definitely unsolicited, and in now way we gave any sort of permission or 
> consent to this company or its "affiliates" to email us - so the whole "All 
> mailing list mail is opt-in" is nonsense.
> And why have "Sender has reverse DNS record" and "Sender publishes SPF 
> record" as separate IADB rules - when SA itself already checks for these? 
> Isn't this just a glaring way of pumping up SA scores for the IADB 
> subscribers?

Don't assume malice right off the bat. More likely it is that IADB 
provides all those status codes and SA exposes a rule for each, with 
minimal scores, to allow local tuning if desired.

Also, there is RCVD_IN_IADB_DOPTIN, so RCVD_IN_IADB_OPTIN may be "someone 
somehow gave us your name somewhere" (i.e. "single opt-in") rather than 
"we confirmed you actually want to receive our garbage" ("double opt-in").

The scores appear hardcoded ( vs. from masscheck 
( so they may be *very* stale.

  John Hardin KA7OHZ              FALaholic #11174     pgpk -a
  key: 0xB8732E79 -- 2D8C 34F4 6411 F507 136C  AF76 D822 E6E6 B873 2E79
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