[exim] Disclaimer is not working in the exim pls help

This is my disclaimer configuration for exim.....
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Router configuration

lookuphost:
driver = dnslookup
domains = ! +local_domains
transport = smtp_disclaimer

Transport configuration

smtp_disclaimer:
driver = smtp
transport_filter ="/usr/local/bin/altermime --input=-
--disclaimer-html=/usr/exim/disclaimer/disht.txt
--disclaimer=/usr/exim/disclaimer/discl.txt"
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Now the problem is when I send the mail with any message in body then
disclaimer is not showing in the recipient end but when I sent blank mail
then the disclaimer is showing on the recipient end. Please help me

Thanks in Advance......