Am 22.12.2016 um 13:41 schrieb Heiko Schlittermann:
>
>> But when i try get the values for spam it fails!
>> That's what i want to do:
>>
>> condition = ${if >{$spam_score_int}{${eval:10*{${lookup mysql{ SELECT
>> DISTINCT spam_threshold FROM user WHERE
>> username='${quote_mysql:$local_part}' AND domain='${quote_mysql:$domain}'
>> AND SMTP_allowed='YES'}}}}}{true}{false}}
>>
>>
>> This will result in:
>>
>> temporarily rejected after DATA: failed to expand ACL string
>> "${if >{$spam_score_int}{${eval:10*{${lookup mysql{ SELECT DISTINCT
>> spam_threshold FROM user WHERE
>> username='${quote_mysql:$local_part}' AND domain='${quote_mysql:$domain}'
>> AND SMTP_allowed='YES'}}}}}{true}{false}}":
>> error in expression evaluation: expecting number or opening parenthesis
>> (after processing "10*")
>>
>> From my point of view the syntax is correct.
>> Can you help me to see the error?
> Syntax is correct, but not the idea behind. In the DATA ACL you can't
> use $local_part, $domain, since you may have multiple recipients.
Okay - i didn't recognize that.
Originally i was working with the base of this configuration:
http://struction.de/projects/HOWTO_VirtualMail_Exim-MySQL-Spamassassin-ClamAV-Dovecot/?set_lang=en&set_style=clean|http://struction.de/projects/HOWTO_VirtualMail_Exim-MySQL-Spamassassin-ClamAV-Dovecot/?set_lang=en&set_style=clean
Specially
http://struction.de/projects/HOWTO_VirtualMail_Exim-MySQL-Spamassassin-ClamAV-Dovecot/config/exim/exim.conf
He made very complex exim hacks in the transport configuration:
__________________________________________________________________
headers_remove = Subject : X-Spam-Flag : X-Spam-Score-Int : X-Spam-Score :
X-Spam-Bar : X-Spam-Report
headers_add = "X-Spam-Threshold: ${lookup mysql{ \
SELECT spam_threshold \
FROM user \
WHERE
username='${quote_mysql:$local_part}' \
AND domain='${quote_mysql:$domain}' \
AND SMTP_allowed='YES' \
}{$value}{ERROR}}\n\
X-Spam-Score: $header_X-Spam-Score:\n\
X-Spam-Score-Int: $header_X-Spam-Score-Int:\n\
X-Spam-Bar: $header_X-Spam-Bar:\n\
X-Spam-Report: $header_X-Spam-Report:\n\
X-Spam-Flag: ${if def:header_X-Spam-Score-Int:{\
${if
>={${eval:${sg{$header_X-Spam-Score-Int:}{^.*\n}{}}}}\
{${lookup mysql{ \
SELECT
spam_threshold*10 \
FROM user \
WHERE
username='${quote_mysql:$local_part}' \
AND
domain='${quote_mysql:$domain}' \
AND SMTP_allowed='YES' \
}{$value}{ERROR}}}{YES}{NO}}\
}{\
UNKNOWN\
}}\n\
Subject: ${if def:header_X-Spam-Score-Int:{\
${if
>={${eval:${sg{$header_X-Spam-Score-Int:}{^.*\n}{}}}}\
{${lookup mysql{ \
SELECT
spam_threshold*10 \
FROM user \
WHERE
username='${quote_mysql:$local_part}' \
AND
domain='${quote_mysql:$domain}' \
AND SMTP_allowed='YES' \
}{$value}{ERROR}}}{${lookup
mysql{ \
SELECT
spam_tag \
FROM
user \
WHERE
username='${quote_mysql:$local_part}' \
AND
domain='${quote_mysql:$domain}' \
AND
SMTP_allowed='YES' \
}{$value}{ERROR}}$h_subject:}{$h_subject:}}\
}{$h_subject:}}\n\
X-Delivered-To: $original_local_part@$original_domain
($local_part@$domain)\n\
X-Message-Age: $message_age"
__________________________________________________________________
My problem was that these complex expressions did work in Exim version 4.80 in
Debian wheezy,
but now they make problems.
I did'nt want to add the spam recognition to each transport.
> Though there is some $recipients variable, you can iterate through. But,
> you can't use the results, as in the DATA ACL you reject or accept the
> *message* for all recipients only. Not for a single recipient.
O.K. Then i will use here only a static value for every email.
Or i have to implement this feature in each transport section.
> You can offer PRDR and the acl_smtp_data_prdr, to return different
> responses for different recipients. But you can't rely on the sending
> client to support PRDR.
Sorry I can't follow you.
Maybe you have a link to some examples for this?
>
> For clients not supporting PRDR you can single out every recipient after
> the first, using $recipients_count and defer. After this you're sure,
> that your DATA ACL needs to care about a single recipient only.
Best regards
Karsten
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