# Sender

> A mailbox chosen to send a campaign. Emails are spread across the senders you pick.

Source: https://warmerly.com/docs/help/glossary/sender

A mailbox chosen to send a campaign. Emails are spread across the senders you pick.

## Where the docs use it

- [Campaigns](https://warmerly.com/docs/campaigns)

## More from Glossary of Warmerly terms

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- [Verification, and Email finder](https://warmerly.com/docs/help/glossary/verification-and-email-finder): Email verifier (sidebar Prospecting > Email verifier) checks whether an address is likely deliverable before…