Email Deliverability Guide: Reach the Inbox Every Time

Even the best campaign is worthless if nobody sees it. Here is how to ensure maximum inbox placement.

Key Factors

Sender reputation (ISP score based on history), domain authentication (SPF, DKIM, DMARC), content quality (avoiding spam triggers), and list hygiene (removing bounces and inactive contacts).

Authentication Setup

SPF specifies authorized sending servers. DKIM adds digital signatures. DMARC tells servers what to do with unauthenticated emails. All three are essential.

List Hygiene

Remove hard bounces immediately. Re-engage or remove 90+ day inactive subscribers. Use double opt-in. Never buy email lists.

Brevo maintains 99% inbox deliverability with enterprise infrastructure, automatic bounce handling, and dedicated IP options.