Do not use this feature if you use FeedBurner, as FeedBurner can do this automatically and better than this plugin can. Check this {bbackup_94402fb9ba80f392e0976ece85f92b2b876bfcaed8d83250cc06083f7139c7d9}1$shelp page{bbackup_94402fb9ba80f392e0976ece85f92b2b876bfcaed8d83250cc06083f7139c7d9}2$s for info on how to enable this feature in FeedBurner.