Email Operations & DeliverabilitySonnet
Subject Line Test Matrix
Generates subject line matrices where each variant isolates one lever.
v1.0
Email Operations & Deliverability
Tier 3 · Full-Stack AgencySubject line testing, deliverability triage, and sunset policies.
Email Operations & DeliverabilitySonnet
Deliverability Triage
Diagnoses deliverability drops before anyone just sends more.
v1.0
Email Operations & DeliverabilitySonnet
Sunset & Re-Permission Policy Writer
Designs sunset rules and the last-chance re-permission sequence.
v1.0