Is Spamcop effective for stopping spammers or preventing unwanted emails?
Summary
What email marketers say7Marketer opinions
Email marketer from Reddit shares that they've found Spamcop useful for personal email but not as effective for larger organizations, as spammers quickly adapt.
Email marketer from Spam Resource explains that Spamcop is effective at blocking spam from known sources by providing a DNS block list (DNSBL) that mail servers can use to filter incoming messages. However, spammers can easily circumvent this by using new IPs or compromised systems.
Email marketer from EmailToolTester explains that Spam traps are really harmful and can block you, it's important to use double opt-in as well as actively cleaning your lists
Email marketer from StackExchange shares that while Spamcop was once very effective, its effectiveness has decreased as spammers have become more sophisticated. It still catches some, but not nearly as much as it used to.
Email marketer from DNSQueries explains that Spamcop maintain a blacklist, DNSQueries, and they check IP reputation of various Email providers
Email marketer from MailerQ answers Spam Complaints can significantly damage sender reputation and deliverability, it's important to make sure people want to receive emails and provide unsubscribe links.
Email marketer from Email Marketing Forum suggests that while Spamcop might catch some of the less sophisticated spammers, those who are determined will find ways around it, rendering it less effective overall.
What the experts say7Expert opinions
Expert from Email Geeks notes he still occasionally sees SpamCop complaints in his customer's data.
Expert from Email Geeks states she handled Spamcop complaints when she worked abuse.
Expert from Word to the Wise explains that using Spamcop for reporting can help improve filtering over time, as it provides data to blocklists.
Expert from Word to the Wise explains that it's important to report spam correctly, not to use Spamcop to report wanted email.
Expert from Email Geeks responds that getting listed on Spamcop won't stop spammers.
Expert from Email Geeks explains that Spamcop has been about both preventing unwanted messages and blocking spam, but they've been difficult regarding prevention for a long time. Also says SpamCop has long passed relevance event horizon.
Expert from Email Geeks clarifies that Spamcop is about blocking spam.
What the documentation says5Technical articles
Documentation from Cisco Talos explains Email Reputation is essential, constantly monitoring and checking your Email Reputation is important to make sure you have high deliverability
Documentation from Spamcop explains that Spamcop aims to identify and report spam sources, contributing to a comprehensive blocklist used by numerous email servers to filter spam.
Documentation from Microsoft explains sender reputation and how it can impact deliverability
Documentation from Google explains bulk sender guidelines, it's important to set authentication records like SPF, DKIM and DMARC to improve deliverability.
Documentation from Proofpoint explains that DNSBLs like the one Spamcop provides, are effective at blocking known spam sources, they are only one layer of defense and shouldn't be relied upon solely.