On 2015-10-13 Tue 18:55 PM |, Stuart Henderson wrote: > > It's totally possible. Blacklist mode by default returns a temporary failure > so a standard MTA would keep trying, whereas with greylisting or no spamd > it would stop after the mail is accepted. And in stuttering mode you send > one character per packet so there's one TCP header for each character. >
Every hundred times the zombie retries. Rules something like these might reduce the traffic: table <spamd-white> persist table <spamd-trapped> persist table <your-blacklist> persist file "/etc/pf/tables/your-blacklist.txt" block in log from <spamd-trapped> block in log from <your-blacklist>
