Do you offer RSVP tracking? Yes! Greenvelope’s robust RSVP tracking makes planning effortless. You will need to purchase a separate 'single mailing' package for each version. What if I need multiple versions of my card? The best way to set this up would be to have two different mailings. Can I send in multiple batches? Greenvelope allows you to resend invitations or send invitations to new contacts at any time. You can then easily purchase additional people from within your mailing on an as needed basis. What if I am unsure how many people I need? In this case, we recommend purchasing a smaller package initially. For example, “The Smith Family” of John, Jill, Tim, and Lauren would count as (4) people. How does Greenvelope calculate people? Each person (with or without email) added to the mailing list counts as (1) person.