Blog
Cold email strategy and deliverability knowledge.
Deliverability
SPF, DKIM, and DMARC for Cold Email: Set It Up Right (2026)
Email authentication is the cheapest deliverability win you'll ever get. Here's what each record actually does, how to check yours in five minutes, and the mistakes that still sink senders.
August 12, 2026
List Health
Bought Email Lists: Why They Fail and What to Do Instead
Scraped and purchased lists are the fastest way to burn a domain. Here's what actually happens when you send to a bought list, and how to build lists that survive contact with the inbox.
August 11, 2026
Strategy
Cold Email Personalization: The Kind That Works (and the Kind That Creeps)
Most 'personalization' is decoration, not signal. Here's the difference between researched, relevant personalization and the kind that gets you blocked — plus how to do it at scale.
August 13, 2026
Strategy
GQ CRM for SaaS Projects and Freelancers: How the Setup Usually Looks
Both senders face the same two problems: several sending identities and pricing that grows with every email. Here's how projects, API keys, and webhooks fit together.
September 20, 2026
Compliance
Cold Email Compliance in 2026: CAN-SPAM, GDPR, and the One-Click Unsubscribe
Compliance isn't optional anymore — bulk senders face legal risk and filter punishment for non-compliant mail. Here's the practical checklist for cold email in 2026.
August 15, 2026
Deliverability
Domain Warming for Cold Email: What Actually Works (2026)
Warmup-score theater is real: 'healthy' scores with emails still in spam. Here's what actually builds domain reputation — and what warmup tools get wrong.
August 1, 2026
Deliverability
Why Your Emails Land in Spam (and How to Fix It)
Spam placement isn't one bug — it's a stack of signals. A practical checklist for diagnosing and fixing deliverability, from infrastructure to content to lists.
August 1, 2026
API
Why Your App Should Send Email Through an API, Not Direct SMTP
Connecting to SMTP from application code spreads one password across every service and leaves pacing, retries, and bounce handling to you. Here's what an API boundary changes.
September 21, 2026
Strategy
Why Your Cold Email Reply Rate Is Low (and What Actually Moves It)
Most 'reply rate tips' are placebo. Here's what the data actually shows about list quality, offer relevance, timing, and follow-ups — and how to measure the right thing.
August 10, 2026
Strategy
Cold Email Follow-Ups: The Sequence That Actually Gets Replies
Most replies come from follow-ups, not the first email. Here's how to structure a 3–5 touch sequence that adds value instead of nagging — and when to stop.
August 14, 2026