https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6864

John Hardin <jhar...@impsec.org> changed:

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--- Comment #2 from John Hardin <jhar...@impsec.org> ---
(In reply to comment #0)
> Today I was investigating a false positive for a mail from our
> Japanese research colleagues at KEK.jp. It turns out that the following
> perfectly valid From line caused a collection of 6.1 score points
> solely because there is no (optional) space between a display name
> and the address:

Granted it's valid, but it's apparently very common in spam generated by sloppy
tools and not common in mail from well-written MUAs. Could you get the X-Mailer
from the headers so we know what generated that From: line? That header was not
in the spample you attached.

Please see if this message (and any other similar FPs) can be added to a
masscheck ham corpus so that the generated scores can better reflect this.

I will see about tuning the rules; any change I make will probably be rather
focused, either to having an encoded display name with no space, or using that
specific mailer.

I also note the lack of a space after the To: - whatever mailer your colleague
is using needs some cleanup. :)

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