Write a Customer Onboarding Email Sequence

Write a 5-email onboarding sequence for new customers of [PRODUCT NAME], a [PRODUCT DESCRIPTION]. The goal is to get users to [KEY ACTIVATION MILESTONE, e.g. complete their first project / connect their first integration / invite a teammate] within the first 7 days.

For each email provide: subject line (with 2 alternatives), send timing (e.g. immediately / day 2 / day 5), email body (under 150 words each), primary CTA. Email sequence: 1) Welcome + immediate value. 2) Day 1 — first key action. 3) Day 3 — tip or feature that drives the activation milestone. 4) Day 5 — social proof or case study. 5) Day 7 — check-in and offer help.

Tone: [TONE].