Why not make it right in the first place...
This filter should get all attachments, and with reasonable cpu.
Simply copy into the global maildroprc or your ~/.mailfilter.
Maildrop has some issue about the location of ~/tmp (check your logs)
but hopefully someone will investigate and post a patch soon :)
Notes:
Maildrop wont match anything with the flag :w, two different lines
for header and body are necessary.
VERBOSE=3
PATH="/usr/lib/courier/bin" # or wherever reformail resides
if ( /^content-type: !((multipart)|(application)).*![:space:]/:h )
{
TYPE=$MATCH2
EXTENSIONS="(vbs)|(scr)|(exe)|(com)|(pif)|(lnk)|(bat)"
CONTENT="((content-)|([:space:])).*[:space:](file)?name="
if ( $TYPE =~ /^multipart/ ) # grep body
{
if( /^$CONTENT\"!.*\.($EXTENSIONS)!\"$/:b )
{
FILENAME=$MATCH2
}
}
else # grep header
{
if ( /^$CONTENT\"!.*\.($EXTENSIONS)!\"$/:h )
{
FILENAME=$MATCH2
}
}
if ( "$FILENAME" ) # found something
{
echo "X-Content-Virus-Warning: $FILENAME"
/^Subject: !.*/
xfilter "reformail -A'X-Content-Filter: $TYPE $EXTENSIONS' \
-A'X-Content-Virus-Warning: $FILENAME' \
-I'Subject: [VIRUS WARNING: $FILENAME] $MATCH2'"
}
else # debug only, comment out
{
echo "X-Content-Passed: $TYPE $EXTENSIONS"
xfilter "reformail -A'X-Content-Passed: $TYPE $EXTENSIONS'"
}
}
# ps: dont use this if you dont understand what it does...
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