SpamCop is unusual among blacklists: it's report-driven and self-expiring. Understanding how it works saves you from paying for "delisting services" you never needed.
Check whether you're currently on SpamCop (and 9 other lists).
SpamCop (bl.spamcop.net) lists an IP when its users report mail from it as spam, or when it hits SpamCop's trap addresses. The listing is dynamic: it expires automatically roughly 24 hours after reports stop. Keep spamming and the clock keeps resetting; stop, and you fall off on your own.
SpamCop is used by fewer large providers than Spamhaus; short listings on low-volume days often pass without measurable damage. A brief SpamCop hit that self-clears is a warning signal about your list quality, not a crisis — but repeated hits predict Spamhaus listings, which are a crisis.
Because SpamCop churns quickly, a single manual check tells you little. What matters is whether listings recur — that's a list-hygiene problem compounding toward harder blacklists. Continuous monitoring turns that invisible trend into a visible one.
Related: Spamhaus removal · Barracuda removal · All blacklists — removal master guide · Blacklist Checker