A simple hacky script to send an email via sendmail. This can be used as the supplied command for znc-push.

znc_email.sh

#!/bin/sh
EMAIL="you@example.com"
NEAT_DATE=`date +%Y-%m-%d`
FULL_DATE=`date +%Y-%m-%d:%H:%M:%S`
SUBJECT="New IRC Notification: $NEAT_DATE"
SENDER="ZNC-Push"
FOOTER="Received on $FULL_DATE"

MESSAGE=$(echo "$1" | tr -d '\011\012\015')  # Remove tabs, carriage returns and newlines
echo "Emailing $EMAIL..."
echo "Message: $MESSAGE"

echo "Subject:$SUBJECT\n\n$MESSAGE\n\n$FOOTER" | sendmail -F "$SENDER" "$EMAIL"
exit 0