A full-service email marketing agency can be the right partner when the job includes segmentation, lifecycle automation, deliverability, data integrations, campaign calendars, testing, reporting, and hands-on platform management.
Mailiac does not claim to replace that scope. It solves the narrower production bottleneck: deciding what to say, turning existing business material into a useful newsletter, revising it, and handing off designed HTML.
The best choice follows the bottleneck. If the email operation needs an owner, evaluate agencies. If the operation exists but the newsletter itself keeps not getting written, evaluate Mailiac.