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Email Deliverability, Inbox Warmup, Domain Health, and Inbox Placement

Email Deliverability & Warmup covers everything that decides whether an email reaches the inbox: warmup tools, inbox placement testing, spam checkers, domain and DNS health including SPF, DKIM and DMARC, blacklist monitoring, and inbox infrastructure. This category is about reaching the inbox rather than about the platform that sends the message.

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What is email deliverability?

Email deliverability is whether your messages reach the inbox rather than the spam folder. It depends on sender reputation, authentication, content and recipient engagement.

What is email warmup?

Warmup gradually builds a new inbox or domain's sending reputation by starting with low volume and positive engagement before real campaigns begin.

What are SPF, DKIM and DMARC?

They are DNS records that prove an email genuinely came from your domain. SPF lists permitted senders, DKIM signs the message, and DMARC tells receivers what to do when a check fails.

What is inbox placement testing?

A placement test sends your message to seed inboxes across providers and reports where it landed, so you can see inbox, promotions and spam rates before a campaign goes out.

Why are my emails going to spam?

The usual causes are missing or misconfigured authentication, a new or damaged sending domain, volume ramped too quickly, poor list quality, or low engagement from recipients.
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