email-deliverability

Configure SPF, DKIM, and DMARC for email deliverability.

3|2|Updated Mar 14, 2026

Search Tags:#DKIM #SPF #DMARC #email deliverability #sender reputation #inbox placement #email authentication

Ready to run

npx skills add https://github.com/brainbytes-dev/everything-claude-marketing --skill email-deliverability-brainbytes-dev

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: email-deliverability
Source: https://github.com/brainbytes-dev/everything-claude-marketing/tree/main/skills/email/email-deliverability
Command: npx skills add https://github.com/brainbytes-dev/everything-claude-marketing --skill email-deliverability-brainbytes-dev

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps you ensure your emails reach recipients' inboxes by optimizing authentication, maintaining list quality, and managing your sender reputation.

Core Features & Use Cases

Email Authentication: Guides through setting up SPF, DKIM, and DMARC.
IP & Domain Warming: Provides schedules and best practices for new sending resources.
List Hygiene: Outlines protocols for cleaning and segmenting email lists.
Bounce & Spam Trap Management: Details how to handle bounces and avoid spam traps.
Use Case: You're launching a new email marketing campaign and want to ensure maximum inbox placement. This skill will guide you through verifying your domain's authentication and warming up your sending IP address.

Quick Start

Use the email-deliverability skill to set up SPF, DKIM, and DMARC for your sending domain.

Frequently Asked Questions about email-deliverability

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I set up SPF, DKIM, and DMARC for email authentication?▼

Email authentication requires configuring SPF, DKIM, and DMARC DNS records on your sending domain. This skill guides you through each protocol setup to verify sender identity and protect domain reputation from spoofing.

What is IP and domain warming and when do I need it?▼

IP and domain warming is the process of gradually increasing email sending volume to establish sender reputation with ISPs. You need it when launching new sending resources or switching email service providers to avoid spam filter triggers.

Why does my email go to spam despite having clean mailing lists?▼

Emails go to spam when SPF, DKIM, or DMARC authentication is misconfigured, even with clean lists. This skill helps diagnose authentication gaps, manage sender reputation, and implement bounce and spam trap avoidance protocols.

What's the best way to handle bounces and avoid spam traps in email campaigns?▼

Handling bounces and avoiding spam traps requires strict list hygiene practices including removing invalid addresses, suppressing hard bounces, and segmenting inactive subscribers. This skill outlines protocols for cleaning lists and maintaining inbox placement rates.

Do I need email deliverability optimization for a new marketing campaign?▼

Yes, new campaigns require deliverability optimization to verify domain authentication, warm sending IP addresses, and establish sender reputation. This skill provides schedules and best practices ensuring maximum inbox placement for new email marketing initiatives.

Can I improve inbox placement rates without changing my email service provider?▼

Improving inbox placement without changing providers is achievable by configuring SPF, DKIM, and DMARC records, implementing list hygiene, and following IP warming schedules. This skill addresses authentication and engagement factors within your existing infrastructure.