Jacob Martinez
GTM Engineer, LeadHaste
Builds the machinery behind client campaigns: scraping, enrichment, lead scoring and the automations that keep a list clean before anyone gets emailed.
Articles by Jacob Martinez
Showing the 24 most recent of 58
Lemwarm Pricing: Plans, Mailbox Limits, and Standalone Value
Compare lemwarm pricing, Essential and Smart features, per-mailbox costs, billing discounts, and the point where a lemlist bundle makes more sense.
11x AI Review: What Its AI SDR Does for Outbound Teams
This 11x AI review explains what Alice automates, what it costs, where human control remains, and which outbound teams should consider it.
LinkedIn Analytics Report Template for Sales Leaders
A monthly LinkedIn report built around when the data expires rather than which numbers look best, with an owner and a permitted decision against every row.
Account-Based Marketing for Manufacturers: Build a Plant Map
Build manufacturing ABM around parent companies, plants, buying groups, and channel ownership before outreach reaches the wrong site or account.
RevOps vs Sales Ops: Who Owns What
RevOps vs Sales Ops is a scope decision. Sales Ops improves sales execution; RevOps governs shared revenue processes across the customer lifecycle.
What Is an SMTP Relay? The Handoff Between Mail Servers
An SMTP relay accepts email, routes it to the next server, and reports failure when delivery cannot continue. Acceptance does not prove inbox placement.
ARC Email Authentication Is Not Yours to Publish
ARC is implemented by the servers that forward your mail, not by the domain that sends it. Knowing that changes what you do when forwarded messages fail DMARC.
HubSpot and LinkedIn Sales Navigator: Two Products
HubSpot ships two different LinkedIn Sales Navigator connections. One shows profile data beside the record and cannot import contacts. The other syncs objects both ways. Buying the wrong one is the common failure.
Email Suppression Lists: One Control Every Tool Obeys
Per-tool unsubscribe lists are how a suppressed contact gets emailed from a second mailbox. Build one suppression registry every sending system reads before launch.
Sales Relationship Mapping: Find Deal Risk Early
Map access, influence, support, and next action across every known stakeholder so a friendly single contact does not hide opportunity risk.
LinkedIn InMail vs Message: Choose by Relationship
Use InMail for selective first contact with a non-connection and a standard message when a LinkedIn relationship or conversation already exists.
LinkedIn InMail Credits: A Cost Approval Guide
Compare LinkedIn InMail credit allowances, returns, accumulation limits, and the operating math that determines whether paid outreach is worth it.
What Is Valimail? A Hosted DMARC Fit Test
Valimail combines free DMARC visibility with paid hosted enforcement. Learn what it automates, what DNS owners still control and when it fits.
What Is Brevo? A Practical Fit Guide
Brevo is a customer relationship platform for marketing, transactional messaging, sales, loyalty and data. Learn where it fits and where it does not.
Power Dialer Guide: Build the Buying Case
Learn how a sequential power dialer works, model the business case, test CRM writeback and evaluate suppression, caller ID and reporting controls.
Kixie HubSpot Integration: Configure and Test Writeback
Connect Kixie to HubSpot, control contact matching, map outcomes, test task completion, and verify calls, recordings, SMS, and associations.
Postmark vs SendGrid: Choose Cost or Simpler Separation
Compare Postmark and SendGrid at 100,000 emails by price, traffic separation, dedicated IP control, retention, and operating effort.
Brevo Pricing: Model Sends, Seats, and Add-Ons
Model Brevo pricing across monthly sends, annual billing, sales seats, dedicated IP access, email credits, support and renewal.
Dmarcian Pricing: Model Volume Before You Buy
Model dmarcian pricing by active domains, DMARC-capable message volume, history, users and the support work required to reach enforcement.
Mailgun Review: Put It Through a Controlled Trial
An operating review of Mailgun: domain authentication, log retention, event webhooks, validation, dedicated IPs, support and the exit test.
Mailgun Pricing: Model the Cost Before Volume Moves
Model Mailgun pricing across plan tiers, overage rates, log retention windows, dedicated IP fees, validation add-ons, support tier and exit.
SendGrid Pricing: Cost of a Real Sending Program
Model SendGrid pricing across plan tiers, overage billing, dedicated IPs, validation credits, activity retention, support, renewal and exit.
ZeroBounce Alternatives: Bouncer and Emailable
Compare ZeroBounce alternatives Bouncer and Emailable by minimum purchase, credit rules, result detail, API workflow, and data retention.
ZeroBounce Pricing: Cost per Usable Decision
Model ZeroBounce pricing across credits, batch and API use, scoring, unknowns, catch-alls, integrations, retention, renewal, and exit.
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