Feedsender
Feedsender is the truly service to monetize RSS to Email Subscriptions.
4 Alternatives To Feedsender
FeedBlitz
FeedBlitz is a mega pack solution for social media marketing and RSS feed and subscriber integration.
FeedPress
Custom hostname. You can customize FeedPress to use your own domain name to retain your website’s brand. All you need to do to get started is simply register your domain name via your hostname management page.
Feedity
Create RSS feed for any webpage or podcast. Extract data and turn dynamic websites into spreadsheet or API. Feedity is an online RSS feed generator and podcast feed builder tool. Display feeds on website.
RapidFeeds
RapidFeeds is an RSS manager that is gaining popularity day by day.