Glossary
Email Deliverability
The ability of your emails to actually reach recipients' inboxes rather than being blocked or sent to spam. Crucial for outreach and cold email campaigns.
Email deliverability is the measure of how reliably your emails land in the inbox instead of the spam folder or a mailbox provider's block list. For anyone doing outreach — link building, digital PR, or cold email — it's make-or-break: a perfectly written pitch is worthless if it never gets seen. Deliverability depends on both technical setup and sending behaviour. On the technical side, authentication records like SPF, DKIM, and DMARC prove your emails are legitimate, and a warmed-up sending domain with a clean reputation helps enormously. On the behaviour side, providers watch signals like spam complaints, bounce rates, engagement, and sudden spikes in volume. To protect deliverability, send from a dedicated domain, warm it up gradually, keep your lists clean and verified, avoid spammy language and too many links, and personalise so recipients actually reply. Monitoring bounce and open rates helps you catch problems early. Strong deliverability is really about reputation — behave like a trustworthy sender and providers will keep letting you through.