Campaigner is an email marketing software brand and email service provider operated by Ziff Davis. The service enables its subscribers to send email, including messages that may contain links recipients follow. Campaigner emphasizes permission-based email marketing and states that it takes subscribers’ sending practices seriously. It is a founding member of the Email Sender & Provider Coalition, an organization focused on combating spam.

Campaigner provides support for recipients who encounter problems with a link in a Campaigner-sent email, noting that email clients or other installed software may sometimes interfere. Recipients can contact the support team for assistance. Those wishing to unsubscribe or report a message as unsolicited are directed to forward the original email, including its headers, to Campaigner’s postmaster address, along with a brief explanation. The brand also publishes a Privacy Policy, Terms & Conditions, and Anti-Spam Policy. Campaigner is a registered trademark of Ziff Davis and its affiliates.