Guides
Deliverability guides
Practical deep-dives on authentication, reputation and deliverability, from our team.
One-click List-Unsubscribe: what changed with Gmail and Yahoo
Since 2024 bulk senders must offer one-click unsubscribe. Here's how to implement it properly.
IP and domain warm-up: a step-by-step guide
A fresh IP or domain starts with no reputation. How to ramp up volume without landing in spam.
Move to DMARC p=reject without breaking things
A reject policy protects your domain from spoofing. How to get there safely, starting from the reports.
SPF, DKIM and DMARC explained simply
The three DNS records that decide whether your emails are authentic, explained without jargon.
10 ways to stay out of spam
The practices that genuinely move the needle on deliverability, in one checklist.