Tagged: email deliverability
DeliverabilityGetting listed on Spamhaus, Barracuda, or SpamCop can halt your email delivery. Here's how to find out you're listed, fix the root cause, and get removed — without triggering a relisting.
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DeliverabilityAn email preference center gives subscribers control over what they receive and how often — reducing spam complaints, keeping passive subscribers engaged, and directly improving deliverability metrics that matter to mailbox providers.
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DNS & DomainsPTR records and reverse DNS are among the most overlooked pieces of email infrastructure — yet a missing or misconfigured PTR record can cause your messages to be rejected before any content filter looks at them. Here's what PTR records are, why receiving servers check them, and how to get yours right.
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Email AuthenticationSPF records tell receiving servers which IPs are authorized to send email from your domain — but they're also one of the most commonly misconfigured DNS records. This guide covers how SPF works, how to set it up correctly, and how to avoid the lookup limit trap that quietly breaks many production setups.
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Email AuthenticationDKIM signs your outgoing emails with a cryptographic key so receiving servers can verify the message is genuine and hasn't been tampered with. This guide explains how DKIM signing works, how to set it up on managed and self-hosted infrastructure, and how to troubleshoot the issues that come up most often.
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SMTP & InfrastructureTransactional email has fundamentally different infrastructure requirements from marketing campaigns — it needs to be fast, reliable, and completely isolated from anything that could drag down its deliverability. This guide covers the architecture decisions that matter: queue design, authentication, suppression lists, monitoring, and how to test before you go live.
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DeliverabilityHow often you send email is one of the biggest factors in whether subscribers engage or disengage — but the right cadence isn't a fixed number. This guide covers how to set a baseline sending frequency, use engagement data to refine it, and avoid the over-sending patterns that quietly push complaint rates above acceptable thresholds.
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DeliverabilityNot all email bounces mean the same thing. Understanding the difference between hard and soft bounces — and building a process to handle each — is fundamental to protecting your sender reputation.
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DeliverabilityA new dedicated IP has no sending history, which means inbox providers don't trust it yet. IP warming is the methodical process of building that trust before you scale to full sending volume.
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