[Rspamd-Users] rule CTYPE_MISSING_DISPOSITION false positive

Zainal Abidin Mamat zainalonserverfreak at outlook.com
Thu Nov 28 04:26:24 UTC 2019

Lower the spam score will make false-positive. Legit getting block when lower the spam score. The developer need to look on this issue.
From: Users <users-bounces at lists.rspamd.com> on behalf of Bernardo Reino <reinob at bbmk.org>
Sent: Wednesday, November 27, 2019 7:31 PM
To: User questions <users at lists.rspamd.com>
Subject: Re: [Rspamd-Users] rule CTYPE_MISSING_DISPOSITION false positive

On Mon, 25 Nov 2019, Emanuel Gonzalez wrote:

> I have found a false positive, the highest score is given by the symbol:
> Content-Type: application/octet-stream; name="pdfs/FA0006-00055144.pdf"
> Content-Transfer-Encoding: base64
> What is the reason for this? Thank you

The "Content-Disposition" header is missing.
Read RFC2183.

You can always lower the score (if you cannot correct the behavior of the
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