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[This question may be more appropriate for the dev-list, please move as
required]

Hi list,

When I originally wrote the experimental ASN plugin (since then
SpamAssassin-ized and improved by the dev team), my impression was that
headers added by an add_header directive in a *.cf file would be taken
up by Bayes - specifically to allow Bayes to learn "bad networks"
automagically from a "X-Spam-ASN" header.

However, that header seems not to be used by Bayes. The relevant
configuration:

- --- cut ---
add_header all Spammy _SPAMMYTOKENS(5,compact)_
add_header all Hammy _HAMMYTOKENS(5,compact)_

ifplugin Mail::SpamAssassin::Plugin::ASN
asn_lookup asn.routeviews.org _ASN_ _ASNCIDR_
add_header all ASN _ASN_ _ASNCIDR_
endif
- --- cut ---

For mails from this list, I get the following headers (example from a
recent message):

- --- cut ---
X-Spam-ASN: AS3701 140.211.0.0/16
X-Spam-Hammy: 0.000-+--H*Ad:D*spamassassin.apache.org,
        0.000-+--Hlist-unsubscribe:sk:users-u,
        0.000-+--Hlist-help:sk:users-h,
        0.000-+--H*Ad:U*users, 0.000-+--HTo:U*users
X-Spam-Spammy: 0.999-1--belief, 0.913-+--H*r:unknown,
        0.900-+--H*x:Outlook,
        0.900-+--H*UA:Outlook, 0.890-+--H*UA:Microsoft
- --- cut ---

Almost all messages to this very list get "autolearn=ham", and it's
obvious from the -Hammy header above that SA did consider headers added
at an earlier stage.

What would need to be done/changed/configured to allow learning on the
X-Spam-ASN header?

- -- Matthias
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