Hello,

Exim version: 4.86

I have an error when trying to process email messages with the filter that is called like this (in ACL section):

  deny    condition  = ${if >={${run{/etc/exim/acl/mail-filter.pl \
                       --sender $sender_address \
                       --from $header_from: \
                       --to $header_to: \
                       --cc $header_cc: \
                       --bcc $header_bcc: \
                       --replyto $header_reply-to: \
                       {}{}}$runrc} {1} }
          set acl_m_msg = $value
          set acl_m_rto = ${readfile{/etc/exim/acl/inform.txt}}
continue = ${run{/etc/exim/acl/inform.pl --reportto "$acl_m_rto" --sender "$sender_address" --from "$header_from:" --to "$header_to:" --cc "$header_cc:" --replyto "$header_reply-to:" --subject "$value"}{}{}}
          message       = $acl_m_msg

The following is in Exim main.log:

2016-01-20 17:33:54 1aLr1N-0007qI-Vn H=example.com [XX.XX.XX>XX] X=TLSv1:ECDHE-RSA-AES128-SHA:128 CV=no F=<[email protected]> temporarily rejected after DATA: failed to expand ACL string "${if >={${run{/etc/exim/acl/mail-filter.pl --sender $sender_address --from $header_from: --to $header_to: --cc $header_cc: --bcc $header_bcc: --replyto $header_reply-to: {}{}}$runrc} {1} }": Too many arguments in command "/etc/exim/acl/mail-filter.pl --sender [email protected] --from <ED><D5><D2><D8><D1><CE><CF><D7> <E1> <CE><C1><D4><CF><CC><C9><CA> <E1><CC><C5><CB><D3><C1><CE><C4><D2><CF><D7><C9>
<DE>

Two questions:

1. Is it required to enclose the $header* in quote marks before passing to the script? Looks like Exim decodes KOI8-R encoded parts of the headers and tries to pass them as they are.

2. How to prevent such problems in the future? For the moment, I turned off message filtering for the time being, but it isn't the solution.

Thanks.

Sincerely,
Konstantin

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