SMTP Warmup Foundations
A day-by-day checklist for sending reputation.
Covers the 14-day cadence that keeps cold IPs safe while scaling outbound email volume.
SMTPunch
Field notes for people running outbound email, cold email tests, SMTP automation, and deliverability firefights.
Outbound email / Deliverability
Outbound email without deliverability drama.
Guides for cold emails, mass email sending, bulk email marketing, and transactional infrastructure so every SMTP stream stays in inbox, not spam.
We obsess over list hygiene, sending windows, link tracking, reverse DNS, dedicated IP pools, and everything technical teams need to deploy trusted emails at scale.
If you're sending emails for outbound sales, success, or support, you'll find practical steps for keeping cold email programs inboxing while bulk email marketing campaigns stay compliant.
See the outbound ops brief →
Latest drops Outbound email, cold email, and deliverability ops intel
Deliverability Diagnostic Guide
How to spot and fix inbox placement dips before they spiral.
Breaks down ISP-specific checks for mass email sending, bounce control, and cold email health.
Lifecycle Email Map
From onboarding to win-backs, blueprinting every customer touchpoint.
Explains how lifecycle automation can coexist with outbound and bulk email marketing streams.
Automation Toolbox 2024
Recommended SMTP-friendly apps, APIs, and workflows.
Highlights infrastructure picks for outbound email routing, cold email warmers, and measurement.
What else is inside? Guides, recipes, tooling for bulk email sending
Deliverability Watch
Diagnose Gmail, Outlook, Yahoo, and Apple throttling before it kills cold email sprints or mass email sending windows.
Lifecycle Recipes
Journey maps, retention plays, and automation prompts that keep outbound, lifecycle, and transactional emails sharing clean reputations.
Toolbox Picks
Reviews of SMTP relays, monitoring stacks, cold email warmers, API-based routers, and low/no-code scaffolding.
Technical Playbooks
SPF/DKIM/DMARC templates, HELO naming advice, bounce processing rules, and segmentation logic for bulk email marketing teams.
Deep cuts Archive worth bookmarking for outbound teams
Designing a Zero-Trust Email Stack
Plan for every IP to die and keep transactional + promo mail online • Keywords: outbound email, cold emails, email deliverability, bulk email marketing.
Dirty Lists Kill SMTP Reputation
How bad data, spam traps, and bought lists ruin inbox placement • Keywords: outbound email, cold emails, email deliverability, bulk email marketing.
Support Inbox Architecture
Scaling transactional and support mail without hurting marketing • Keywords: outbound email, cold emails, email deliverability, bulk email marketing.
Shared vs Dedicated SMTP
When to stop renting reputation and graduate to your own IPs • Keywords: outbound email, cold emails, email deliverability, bulk email marketing.
Configure Outlook with Gmail
Step-by-step guide to connect Outlook clients to Gmail/Google Workspace SMTP • Keywords: outbound email, cold emails, email deliverability, bulk email marketing.