Email Deliverability

Skill Verified Active

Make sure email actually reaches inboxes. Use this skill when setting up email authentication (SPF, DKIM, DMARC), diagnosing emails landing in spam, planning a domain reputation strategy, monitoring sender reputation, or hardening against email spoofing. Triggers on email deliverability, SPF, DKIM, DMARC, spam folder, sender reputation, mailbox provider, soft bounces, bounce rate, BIMI, MTA-STS, deliverability audit. Also triggers when a marketing or transactional email isn't reaching users.

Purpose

Ensure emails reliably reach their intended inboxes by providing a structured approach to setting up email authentication, monitoring sender reputation, and diagnosing deliverability issues.

Features

Setup and audit SPF, DKIM, and DMARC records
Diagnose emails landing in spam folders
Plan and monitor domain reputation strategy
Harden against email spoofing
Step-by-step DMARC rollout playbook

Use Cases

Setting up email for a new domain
When a significant percentage of emails go to spam
Customers reporting they are not receiving emails
Planning a domain reputation strategy

Non-Goals

Writing email content itself
Designing the overall email program strategy
General DNS record management outside of email authentication
Investigating outbound spam originating from compromised credentials

Installation

npx skills add rampstackco/claude-skills

Runs the Vercel skills CLI (skills.sh) via npx — needs Node.js locally and at least one installed skills-compatible agent (Claude Code, Cursor, Codex, …). Assumes the repo follows the agentskills.io format.

Quality Score

Verified

95 /100

Analyzed about 18 hours ago

Trust Signals

Last commit4 days ago

GitHub owner rampstackco

Stars168

LicenseMIT

Websiterampstack.co

Status

View Source

Similar Extensions

DNS Zonefile Configuration

Configurez correctement vos zones DNS pour l'email deliverability (SPF, DKIM, DMARC), la sécurité (DNSSEC, CAA), et l'automatisation (OVH API, Cloudflare, Terraform), basé sur les best practices 2024-2025. Use when: **Configurer l'authentification email** - SPF, DKIM, DMARC pour éviter le spam folder; **Sécuriser un domaine** - DNSSEC, CAA records, protection contre le spoofing; **Automatiser la gestion DNS** - OVH API, Cloudflare API, Terraform; **Débugger des problèmes DNS** - dig, nslookup...

Skill

guia-matthieu

Deliverability Checker

Check email deliverability and DNS configuration. Use when: diagnosing email delivery issues; setting up new email domains; auditing email authentication; checking SPF/DKIM/DMARC; troubleshooting spam folder issues

Skill

guia-matthieu

Deliverability Check

Audit a sending domain's deliverability — SPF, DKIM, DMARC, MX, BIMI, blocklists — with a prioritized fix order

Skill

cognyai

Email Best Practices

Use when building email features, emails going to spam, high bounce rates, setting up SPF/DKIM/DMARC authentication, implementing email capture, ensuring compliance (CAN-SPAM, GDPR, CASL), handling webhooks, retry logic, or deciding transactional vs marketing.

Skill

resend

Gmail

100

Interact with Gmail - search emails, read messages, send emails, create drafts, and manage labels. Use when user asks to: search email, read email, send email, create email draft, mark as read, archive email, star email, or manage Gmail labels. Lightweight alternative to full Google Workspace MCP server with standalone OAuth authentication.

Skill

sanjay3290

Save Email to Doc

100

Save a Gmail message body into a Google Doc for archival or reference.

Skill

googleworkspace