On 2021-11-15 at 05:53:43 UTC-0500 (Mon, 15 Nov 2021 11:53:43 +0100)
Philipp Ewald <philipp.ew...@digionline.de>
is rumored to have said:

I cannot make that line of text into a coherent English sentence.

May I pray for pardon my Lord. My english is not nativ.....

We work with what we have. My German would be far worse.

I suspect that the only problem here is one of unclear language.

Here you can test it....

I have no clue what to test. I do not understand what you think is not working as intended.

Mail with:

Content-Type: text/html;
        charset="us-ascii"

getting "MIME_BASE64_TEXT=1.741"

Which is correct, if the charset is actually us-ascii and Base64 encoding is used anyway. There is no circumstance where a formally correct text/html document that is strictly us-ascii (i.e. all entities HTML-encoded) must be Base64-encoded. MIME_BASE64_TEXT exists because it is unusual to base64-encode pure us-ascii AND it is strong (albeit imperfect) indicator of the message being spam.

Base64 generate with site:
https://www.base64encode.org/

Or /usr/bin/base64  or 'openssl enc' :)




Kind regards




On 11/12/21 10:16 PM, Bill Cole wrote:
On 2021-11-12 at 04:33:34 UTC-0500 (Fri, 12 Nov 2021 10:33:34 +0100)
Philipp Ewald <philipp.ew...@digionline.de>
is rumored to have said:

Hi folks,

it's seems to be that spamassins dont check non ASCII Base64 decodes Mails.

I cannot make that line of text into a coherent English sentence.


Content-Type: text/html; charset="utf-8"
Content-Transfer-Encoding: base64

[BAYES_99=3.5, BAYES_999=5, HTML_FONT_LOW_CONTRAST=0.001,
HTML_MESSAGE=0.001, MIME_HTML_ONLY=0.723,
RCVD_IN_BL_SPAMCOP_NET=1.347, RCVD_IN_RP_RNBL=1.31]


Mails with:
Content-Type: text/html;
        charset="us-ascii"


would get "MIME_BASE64_TEXT"

[BAYES_99=3.5, BAYES_999=5, CK_HELO_GENERIC=0.001,
        HELO_DYNAMIC_DHCP=0.206, HTML_IMAGE_ONLY_28=1.404, HTML_MESSAGE=0.001,
        HTTP_EXCESSIVE_ESCAPES=1.572, KHOP_DYNAMIC=0.001,
        MIME_BASE64_TEXT=1.741, MIME_HTML_ONLY=0.723,
        RAZOR2_CF_RANGE_51_100=1.886, RAZOR2_CHECK=0.922,
        RCVD_IN_RP_RNBL=1.31, T_REMOTE_IMAGE=0.01]


Is this a Bug?

Not until it's reproducible and described in a coherent manner.

If you can provide valid email messages (perhaps artificially constructed) that do (or don't) hit the rules that you believe they should (or should not,) please do so.

The purpose of MIME_BASE64_TEXT is to identify messages where a text part (or the whole message) with pure US-ASCII content has been Base64-encoded instead of being sent unencoded (or just QP-encoded to protect overlong lines.)



--
Philipp Ewald
Administrator

DigiOnline GmbH, Probsteigasse 15 - 19, 50670 Köln
Fax: +49 221 6500-690, E-Mail: philipp.ew...@digionline.de

AG Köln HRB 27711, St.-Nr. 5215 5811 0640
Geschäftsführer: Werner Grafenhain

Informationen zum Datenschutz: www.digionline.de/ds


--
Bill Cole
b...@scconsult.com or billc...@apache.org
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
Not Currently Available For Hire

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