JetEmail Blog

Deep dives into email delivery, authentication, and infrastructure best practices from the JetEmail team.

All Articles

10 posts
  1. 2026
    Deliverability / 5 min read

    Time to Inbox: How Fast Email Actually Lands

    Inbox placement tells you where an email landed, not how long it took to get there. For password resets and login codes, that second number is the entire experience. Here is how we measure Time to Inbox with real sends every 15 minutes, and why we publish it live.

  2. 2026
    Deliverability / 8 min read

    Do You Actually Need a Dedicated IP? Probably Not.

    A dedicated IP is the upgrade everyone reaches for when deliverability slips, and most email platforms reserve it for a pricier tier so paying more and fixing delivery look like the same decision. For most senders a dedicated IP changes nothing, and below a real volume threshold it makes things worse. Here is when it actually helps.

  3. 2026
    Feature Release / 3 min read

    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.

  4. 2026
    Feature Release / 5 min read

    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.

  5. 2026
    Deliverability / 9 min read

    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.

  6. 2026
    Guides / 8 min read

    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.

  7. 2026
    Product Updates / 5 min read

    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.

  8. 2026
    Product Updates / 4 min read

    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.

  9. 2025
    Feature Release / 7 min read

    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.

  10. 2025
    Product Updates / 5 min read

    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.