This month Spamhaus' CSS Blocklist reached 8 million active IPs listed for low-reputation email activity! π Spam activity appears to be shifting toward residential proxies, making up a significant portion of the increase, as emission IPs are constantly changing, with around 500k new IPs added to our lists each day. π
Email admins! Use this real-time DNSBL to reduce inbound spam and other malicious email traffic. For optimum filtering, apply at:
β‘οΈ Initial connection β against the connecting IP
β‘οΈ Once email data accepted β check IPs in received chain mail headers and IPs hosting resources in the body (e.g. URLs)
Learn more about this data set here ‡οΈ
spamhaus.org/blocklists/combinβ¦
#Spam #ResidentialProxies #EmailFiltering
Combined Spam Sources (CSS) | IP DNSBL for email filtering
An SMTP traffic blocklist, listing port-25 based detections due to unsolicited emails, poor list hygiene, or compromised accounts sending malicious emails.The Spamhaus Project
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in reply to The Spamhaus Project • • •@spamhaus.
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