Eventhandler like this can do the job:
#!/bin/bash
EMAIL="sms@domain.com"
if [ "$1" == "FAILED" ]; then
if [ -n "$EMAIL" ]; then
TO=`formail -zx To: < $2`
sms=`cat $2`
message="From: sms@localhost
To: $EMAIL
Subject: Sending SMS to $TO failed
${sms}"
echo -n "$message" | /usr/sbin/sendmail "$EMAIL"
fi
fi
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