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Deliverability guides

Playbooks for trustworthy inbox placement

SendCheck’s deliverability studio distills thousands of SPF, DKIM, DMARC, and BIMI remediation sessions into tactical how-to content so you can move from audit to production fix in record time.

Guide12 minute read

The 48-hour SPF Sprint

A step-by-step playbook for auditing your SPF records, collapsing redundant includes, and hitting the 10 lookup limit without breaking legacy senders.

  • Mapping every sender to a dedicated mechanism
  • Mitigating lookup explosions with sub-delegation
  • Monitoring drift with nightly compliance jobs
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Guide15 minute read

DKIM for multi-region teams

Design selectors, rotate keys, and align subdomains for the providers you rely on—Google Workspace, Outlook, SendGrid, and Postmark included.

  • Selector naming strategies for global infrastructure
  • Automating 2048-bit key rotation with SendCheck alerts
  • Alignment troubleshooting cheatsheet
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Guide18 minute read

DMARC responses that keep stakeholders calm

Translate raw DMARC XML into executive-ready dashboards. Learn how to pick policy levels, set reporting cadences, and design incident playbooks.

  • From p=none to p=reject without breaking critical mail
  • Interpreting aggregate vs. forensic feedback
  • Template responses for partners and customers
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Quick wins library

Not every deliverability problem requires a war room. These checklists, templates, and comparisons give your team executable steps in under an hour.

New in Q1

We just shipped Gmail bulk sender readiness scoring, including automated policy diffing and BIMI health insights.

BIMI readiness checklist

Verify logo specs, VMC requirements, and DNS placement in under 30 minutes so your brand shows up in modern inboxes.

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Deliverability war room template

Centralize root-cause notes, impacted audiences, and mitigation steps for cross-functional incident reviews.

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Monitoring stack comparison

See how SendCheck stacks up against seed-based tools and learn where deterministic policy checks provide better coverage.

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Bring SendCheck into your deliverability stack

Spin up a workspace, run an instant domain audit, and share executive-ready remediation plans with stakeholders.