Resources
EmailUX Guides
Long-form developer guides for senders: IP warming, domain warming, SPF/DKIM/DMARC authentication, bounce remediation, subdomain strategy, and the 2025 Gmail and Yahoo bulk-sender rules.
What is Email Studio? Designing Branded Email Without Code
An email studio is a no-code design environment for building branded, accessible HTML email templates with localization, AI assistance, and reusable components. Learn what an email studio is, when to use one, and what to look for.
IP Warming: A Step-by-Step Guide for Senders
How to warm a new sending IP without tripping rate limits or hurting deliverability. Includes a 30-day ramp schedule, monitoring checklist, and DNS prerequisites.
Domain Warming for Cold Sending Domains
Why a fresh from-domain needs its own ramp, how it interacts with shared and dedicated IPs, and the signals to watch as you scale.
Email Sender Authentication: SPF, DKIM, and DMARC
Set up SPF, DKIM, and DMARC end-to-end so Gmail, Yahoo, and other inbox providers accept your mail. Includes copy-paste DNS examples.
Email Bounces: Why Emails Bounce and How to Fix Them
Hard bounces, soft bounces, bounce reason codes, and a remediation checklist for senders chasing the inbox.
How to Choose Email Subdomains for Transactional, Marketing, and Newsletters
A subdomain strategy for transactional, marketing, newsletter, and customer-service mail that protects your root domain reputation.
Gmail and Yahoo Bulk Sender Requirements (2025)
What changed in the 2024-2025 Gmail and Yahoo bulk-sender rules, who counts as a bulk sender, and the SPF/DKIM/DMARC + one-click unsubscribe checklist for compliance.
Welcome Email Flow Best Practices
How to design a welcome email flow that activates new subscribers, sets sender expectations, and warms reputation on a new domain or IP.
Need a quick definition? Browse the EmailUX Glossary.