MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Postacard - Text a photo to send it as a postcard for $3.
SendOut - Affordable email marketing for bloggers and influencers
Felt for iPhone - Handwritten cards for the modern world
Mailzak - Give a boost to your #EmailMarketing
NanaGram - Text your photos and we'll mail 4x6 prints to your Nana.