Documentation
How to use Mailcheer: getting started, the key concepts, the API and the MCP server. Every page is also available as raw Markdown (add .en.md to the URL) and the machine-readable index is at /llms.txt.
Getting started
IntroductionWhat Mailcheer is, what it does, and where to start.Create an accountSign up, automatically provisioned workspace, member invitations.Import your contactsCSV import — column mapping, duplicates, unsubscribes, detailed report.Verify your domainAuthenticate your sending domain — DKIM, SPF, DMARC, automatic setup on Cloudflare.Add sendersYour "From:" addresses, created only on verified domains.
Concepts
DeliverabilityWhy an email reaches the inbox — or ends up in spam.DKIM, SPF and DMARCThe three records that authenticate your emails, explained plainly.SegmentsDynamic subscriber groups, continuously recalculated.Suppression listAddresses never to contact again — and why this is non-negotiable.Quotas and plans3,000 free emails per month, then three paid plans that follow your volume.