Warmy.io

Automated warmup and deliverability monitoring covering both business and consumer mailbox providers.

Warmy warms domains and mailboxes on a schedule set by its engine, and layers on seed lists, placement tracking, Google Postmaster data, and DNS record checks for SPF, DKIM, and DMARC. Plans are split into business and consumer sender tracks with volume-based pricing that is quoted rather than published. It offers a trial and a dedicated agency track.