SpamCop FAQ : SpamCop Blocking List information : How do I configure my mailserver to reject mail based on the blocklist? :
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Sendmail
- Add the following line to your config.m4
FEATURE(dnsbl, `bl.spamcop.net', `"Spam blocked see: http://spamcop.net/bl.shtml?" $&{client_addr}')dnl - Re-compile your sendmail.conf from the config.m4
- Re-start sendmail
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