Check if your domain name or tracking domain is blacklisted on Spamhaus DBL, SURBL, URIBL, and SpamEatingMonkey. Prevent your emails from landing in spam due to domain reputation flags.
Check if your mail server IP address is blacklisted on 20+ major DNSBL and RBL registries including Spamhaus ZEN, Barracuda, SpamCop, and SORBS. Includes reverse DNS (PTR) and FCrDNS verification.