Hello list,
I am using this condition for flagging all MS office documents during
acl_smtp_mime. Later on I use the redirect driver to move them into a special
mailbox based on acl_m_block1.
---
accept
condition = ${if match \
{${lc:$mime_filename}} \
{\N(?i)\.(leotest|doc|docm|docx|dot|dotx|pot|potm|potx|ppam|pps|ppsm|ppsx|ppt|pptm|pptx|xla|xlam|xll|xlm|xls|xlsm|xlsx|xlt|xltm|xltx|accdb|accde|accdr|accdt|mdb|pub|sldm|sldx|vsd|vsdm|vsdx|vss|vssm|vst|vstm|vstx|wbk|wks)$\N}
\
{1}{0}}
set acl_m_block1 = $mime_filename
add_header = X-Test-Suspicious: $acl_m_block1
logwrite = LEO: We found an extension ($acl_m_block1)
that we dont trust. Setting acl_m_block1 for later processing
---
In the logs the variable acl_m_block1 is expanded as expected.
---
2021-04-01 22:15:27 1lS3ix-0008Rl-IC LEO: We found an extension (test.ppt) that
we dont trust. Setting acl_m_block1 for later processing
2021-04-01 22:15:27 1lS3ix-0008Rl-IC LEO: We found an extension (test.leotest)
that we dont trust. Setting acl_m_block1 for later processing
2021-04-01 22:15:27 1lS3ix-0008Rl-IC LEO: We found an extension (test.xls) that
we dont trust. Setting acl_m_block1 for later processing
---
But in the MUA mailbox one occurrence is always missing in the header.
---
X-Test-Suspicious:
X-Test-Suspicious: test.ppt
X-Test-Suspicious: test.leotest
---
Sending just one suspicious attachment always results in an empty
"X-Test-Suspicious:"
What am I doing wrong here?
---
exim -bV
Exim version 4.92 #3 built 18-Mar-2021 08:10:15
uname -a
4.19.0-16-amd64 #1 SMP Debian 4.19.181-1 (2021-03-19) x86_64 GNU/Linux
---
Thank you in advance and greetings
Leo
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