Resources
Guides for building outbound that lasts.
Practical, no-hype explanations of the infrastructure and data behind effective cold email.
How many domains and mailboxes do you need for cold email?
A simple way to size cold email infrastructure from your daily sending target, with the ratios SageLift uses for planning.
, 4 min read
SPF, DKIM and DMARC: a plain-English checklist for cold email domains
What each DNS authentication record does, how they fit together, and what to check before a new sending domain goes live.
, 5 min read
What is signal-based prospecting?
Why timing signals like hiring, funding and leadership changes make cold outreach more relevant — and how to use them responsibly.
, 4 min read