When dealing with IP blacklist issues, it’s crucial to perform anblacklist IP checkacross multiple DNSBLs to determine where your IP address may be listed. Apart from SpamCop other widely recognized blacklists like theUCEProtect blacklist,CBL blacklist, and theSpamhaus blacklist programcan also...
*.spamcop.net resolved to a domain parking service's IP address. The way that SpamCop's DNS-based blocking list works is that if you, for example, want to check that an email sent from a system with the IP address 1.2.3.4 is legit, you run a DNS query on 4.3.2.1.bl.spamcop.net....