Vendor: Mailook
Mailook is a free email deliverability tool that helps businesses ensure emails land in primary inboxes by checking domain setups, sender reputation, and IP blacklists.
Identifies and resolves email deliverability issues.
Verifies emails avoid spam folder placement.
Verifies domain and IP reputation against blacklists.
Inspects SPF, DKIM, and DMARC DNS records.
Mailook offers a free pricing tier for its email deliverability checking features.
Last Reviewed: 2026-08-20
by Abstract API
Developer API suite for email, phone, and IP verification plus company enrichment to clean lists and block fraud.
subscriptionby AeroSend
AeroSend optimizes cold email deliverability through inbox warm-up, domain authentication, and real-time monitoring, helping businesses improve inbox placement and reduce bounce rates.
subscriptionby Allegrow
Allegrow is an email deliverability platform that monitors sender reputation, analyzes spam rates, and provides automated safety measures to improve inbox placement for sales and marketing teams.
freemium