JetEmail Blog
Deep dives into email delivery, authentication, and infrastructure best practices from the JetEmail team.
All Articles
8 articles
The JetEmail CLI Is Here. So Are Branded Tracking Links.
The JetEmail CLI is live today, wrapping every REST endpoint in a single binary with an interactive log viewer baked in. Custom tracking domains shipped alongside it: point a CNAME at us and your tracked links start serving from a subdomain you own, with TLS handled automatically.
Dean Walsh

Idempotency Keys and Scheduled Send Are Now Live
Two new outbound features for every JetEmail customer. Idempotency keys make sure the same email never goes out twice, even if your app retries a failed request. Scheduled send lets you queue a message now and have JetEmail deliver it later. Both work over the API and over SMTP.
Dean Walsh

Domain Reputation Is What Actually Determines Your Deliverability
Obsessing over IP warming is solving the wrong problem. Gmail, Outlook, and Yahoo have all shifted toward domain-based reputation signals, which means your sending domain's history, engagement rate, and authentication record matter far more than which IP address your messages arrive from.
Dean Walsh

How to Fix WordPress Not Sending Emails (2026 Guide)
WordPress emails ending up in spam or not arriving at all? The default PHP mail() function is unreliable on most hosting. Learn why WordPress emails fail and how to fix it permanently with SMTP authentication.
Dean Walsh

SPF Authentication Update: Now Using Return-Path with CNAME Records
We've updated our SPF authentication mechanism to use return-path and now require CNAME records instead of TXT records. Your dashboard will automatically show you the correct DNS records based on your configuration. This change improves email deliverability and simplifies domain management.
Dean Walsh

Global Infrastructure Expansion: Amsterdam and New York Locations Now Available
We're expanding our global infrastructure with new data centers in Amsterdam and New York. All email processing, delivery, and log storage now happens in these regions, giving you the flexibility to choose the location that best meets your compliance and performance needs.
Dean Walsh

New Email Tracking and BCC Features
Introducing three powerful new features that give you complete visibility into your email campaigns: BCC copies for record keeping, open tracking for engagement insights, and click tracking for conversion analysis.
Dean Walsh

Welcome to JetEmail: Revolutionizing Email Delivery
Today, we're excited to launch JetEmail, a modern email infrastructure platform designed to help developers and businesses deliver emails that land in inboxes, not spam folders.
Dean Walsh
Stay Updated
Get the latest insights on email infrastructure, delivery best practices, and JetEmail updates delivered to your inbox.
We respect your privacy. Unsubscribe at any time.