A per-client brand kits with locked guardrails playbook for Agencies & Freelancers, built automated sequence. Starting from a client brief lands, Mailable designs every on-brand email in the flow and ships it through client esps and the tools you already use - inbox-ready in every client.
Trigger
A client brief lands
Agencies & Freelancers
Design engine

Mailable
prompt → on-brand email
Brand kit
colors · fonts · voice
Who runs it
Build mode
Runs automatically on triggers
Account & strategy
team
Designers
team
Agency owners
team
Integrations
Synced via API & MCP
Sends to
Client ESPs
Client brand kits
Project tools
Trigger: A client brief lands
Switch to the client’s brand kit in a click
Mailable designs the campaign on-brand, same day
Refine to the client’s notes by chatting or nudging blocks
Deliver white-labeled, or export clean HTML
Synced from your stack; designs stay on-brand by default.
Runs automatically on triggers
Client ESPs
Client brand kits
Project tools
Automated sequence
Triggered by events from your stack - signup, purchase, inactivity - Mailable designs and sends every step automatically, with timing and branching you control.