Anti-spam content filter that runs on a variety of operating systems. The counts can be used by SMTP servers and mail user agents to detect and reject or filter spam or unsolicited bulk mail. DCC servers exchange or “flood” common checksums. The checksums include values that are constant across common variations in bulk messages, including “personalizations.”

DCC does not “list” domain names or IP addresses, but detects bulk mail messages. Domain names, IP addresses, and so forth are “listed” independently. by DCC users. If DCC users want to receive your bulk mail, they must whitelist it by adding your IP address, SMTP envelope sender, RFC 2369 SMTP List-* headers, or other characteristics of your mail to their whiteclnt files.

Anti-spam content filter that runs on a variety of operating systems. The counts can be used by SMTP servers and mail user agents to detect and reject or filter spam or unsolicited bulk mail. DCC servers exchange or “flood” common checksums. The checksums include values that are constant across common variations in bulk messages, including “personalizations.”

DCC does not “list” domain names or IP addresses, but detects bulk mail messages. Domain names, IP addresses, and so forth are “listed” independently. by DCC users. If DCC users want to receive your bulk mail, they must whitelist it by adding your IP address, SMTP envelope sender, RFC 2369 SMTP List-* headers, or other characteristics of your mail to their whiteclnt files.