Evernote’s onboarding emails:
Day 1. Welcome Email. We will send you 5 tips.
Day 3. Quick Tip #1. Main activation action.
Day 10. Quick Tip #2. Secondary activation action.
Day 17. Promotional Email #1. Go Premium.
Day 19. Quick Tip #3. Cool feature.
Day 27. Quick Tip #4. Another cool feature.
Day 29. Did you know?
Day 31. Promotional Email #2. Go Premium.
Day 33. Milestone Email. You successfully did smth.
Day 36. Quick Tip #5. Awesome feature.
Source: Getvero.com