The MyNewsletterBuilder Java SDK by MyNewsletterBuilder allows to access email marketing features. Developers can integrate newsletter services into applications with the kit, that is available for download from the main site.
ForWhereIAm is a service that offers real-time, short-lived and localised information. Businesses use it as a place to post information they want to share with their customers, and users can visit the site to get information on deals and announcements that are relevant to their specific location. The ForWhereIAm API makes some of this data available to third-party developers.
Email doesn't need postage, right? Is that old hoax about the postal service charging per message finally coming true? Not really. But PostageApp may be a service worth paying for if you want to send email from your application.