# Bulk sender

Google's term for a sender of 5,000 or more messages a day.

**Source:** “All senders: SPF or DKIM” [Email sender guidelines (Gmail Help)](https://support.google.com/mail/answer/81126)

See also: [Spam rate](/reference/glossary/spam-rate), [DMARC](/reference/glossary/dmarc).

---

Published 2026-10-29. Web page: https://www.mackenziebowes.com/reference/glossary/bulk-sender