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How Feedback Loops and Bounce Management Work (and Why They Matter for Transactional Email)

Deliverability isn’t just about getting emails sent, it’s about making sure they’re received, engaged with, and not marked as spam. Two of the most overlooked yet essential tools in any...

How Feedback Loops And Bounce Management Work

Use Cases & Industries for Transactional Email

Transactional email is the silent engine behind digital operations across nearly every industry. Whether you’re running a SaaS product, operating an online store, or managing a global platform, transactional emails...

Decoding Email Blacklists: What They Are and How to Avoid Them

Email blacklists. The very phrase can send shivers down the spine of any business or individual relying on email communication. They’re a critical factor in deliverability, and understanding how they...

MailChannels Service Disruption

Anatomy of a Well-Structured Email Header (and Why It Matters for Deliverability)

When most people think about email, they focus on subject lines, content, or call-to-actions. But under the hood of every email lies a set of technical components that mailbox providers...

Anatomy Of A Well Structured Email Header

Transactional vs Bulk Email: Deliverability Impacts

Not all email traffic is created equal. Mixing transactional email with bulk (marketing) email might feel convenient, but it can quietly hurt deliverability. Inbox providers treat these categories differently—and you...

Transactional Vs Bulk Email Deliverability Impacts

Shared IP vs Dedicated IP for Transactional Email Sending: What’s Right for You?

When setting up transactional email, one of the biggest decisions you’ll make is whether to send from a shared IP or a dedicated IP. This choice directly affects your deliverability,...

Shared IP Vs Dedicated IP For Transactional Sending

Diagnosing SMTP 5xx and 4xx Error Codes in Transactional Email

When your transactional emails bounce or fail to send, the first clues often show up in the SMTP response. These are the 3-digit codes, like 550, 421, or 554, returned...

Diagnosing SMTP 5xx And 4xx Error Codes

Why Gmail Sends Your Transactional Emails to Spam (and How to Fix It)

Transactional emails should never end up in spam. They’re triggered by user actions and expected, password resets, order receipts, security alerts. Yet even these critical emails can get flagged by...

Why Gmail Sends Your Transactional Emails To Spam (and How To Fix It)

Choosing the Right Sending Method: SMTP vs API for Transactional Email

When you’re ready to send transactional emails—like password resets, account alerts, and purchase receipts—one of the first choices is how to send them. Should you use SMTP relay or a...

Choosing The Right Sending Method (SMTP Vs API)

Common Use Cases for Transactional Email: Password Resets, Receipts, and Signup Confirmations

Marketing emails are built to attract attention and drive conversions. Transactional emails are different. They deliver important, time-sensitive information that keeps users informed, secure, and engaged. Three of the most...

Common Use Cases Password Resets, Receipts, Signup Confirmations

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