Mail attachment from Unix script in loop

I have below sample script which was working fine until last week, however, not sure what has changed, I am not getting any attachments sent. I just get greet / text message but not any attachment. I tried with sample .txt as attachment which is success. But not .csv, not sure if csv's are being filtered by unix server, but I don't see any error message. Any idea how to track / check what is going wrong pls?

#!/bin/bash
FILES=/inbox/*.*
to="test@temp.com"
from="test@temp.com"
subject="Test Files"
filecount=`find $FILES -type f | wc -l`
totalfiles=" : Total "
subject=${subject}${totalfiles}${filecount}
body="Dear All,Please find the attached latest files."
echo $subject $filecount
declare -a attargs
for att in $(find $FILES -type f -name "*.*");do
#attaching all files.
attargs+=( "-a" "$att" )
done

mail -s "$subject" -r "$from" "${attargs[@]}" "$to" <<< "$body"**


Kind Regards
Kevin

subject="..."

echo $subject $filecount

FILES=/inbox/*.*

find

*.*

FILES

-name

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