Glossary

The terms of prospecting and deliverability, explained simply.

DKIM

DomainKeys Identified Mail: the cryptographic signature that proves an email really comes from your domain and hasn’t been altered.

DMARC

The policy published in DNS that says what to do with an email that fails SPF and DKIM, and where to send the reports.

NAF code

The main activity code INSEE assigns to every French company: the first filter of a prospect list.

One-click unsubscribe

The List-Unsubscribe and List-Unsubscribe-Post headers, which let people unsubscribe from the inbox without opening a page.

SPF

Sender Policy Framework: the DNS record that lists the servers allowed to send email for a domain.

Warm-up

Gradually increasing the number of emails sent by a new mailbox or domain, to build its sending reputation.