Email deliverability
Email Marketing
Email deliverability is how reliably your emails reach the inbox instead of the spam folder or getting blocked.
A store's open rate falls by half after it emails a five-year-old list. Complaints spike, Gmail starts filtering, and even engaged customers stop seeing its emails.
An email in spam earns nothing. Deliverability is the ceiling on every other email number.
Usually missing authentication, a high complaint or bounce rate, a sudden jump in volume, or sending to people who didn't ask. Fix authentication first, then send only to engaged contacts for a while.
Inbox placement isn't reported directly, so watch bounce rate, complaint rate and clicks by inbox provider, plus Google Postmaster Tools.
No. Delivery rate counts mail accepted by the server; deliverability is whether it reached the inbox.
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