Validate cold outreach at scale without ghosting
outreach-expertskillsetup L2★7
texauhq/texau-gtm-skills ↗Causal-lift measurements
cold-email-strategy-10pp vs no-skill baselinewith-skill 80% · baseline 90%
Measured by running the task with and without this artifact, K=5, graded by deterministic checks — no LLM judging.
What it does
Design and validate cold outreach infrastructure, sequences, copy, and deliverability
Best for
Setting up B2B outbound from scratch when cold emails are being ghosted or landing in spam
Inputs
- · company target list
- · ICP definition
- · existing email/domain setup
Outputs
- · sending infrastructure blueprint (domains, SPF/DKIM/DMARC)
- · 4-step cold sequence copy
- · warm-up schedule
Requires
- · email service provider (Lemlist/Smartlead/Instantly/Reply.io)
- · warmup tool
Preconditions
- · sending domain registered
- · mailbox created
- · 14-21 day warm-up window available
Failure modes
- · cold sends from primary domain (blocklists kill warm email too)
- · sequence >4 steps (diminishing returns)
- · no domain authentication (SPF/DKIM/DMARC)
Trust signals
- · SPF/DKIM/DMARC/BIMI authentication specs
- · 30-50 sends/day per mailbox rule (enforced)
- · 4-step sequence structure from evidence
- · Lemlist/Smartlead/Instantly/Reply.io tooling specifics