Hello all, In my cascade of smtpd restrictions, along with RBL, rDNS etc - I have:
check_client_access cidr:/etc/postfix/cidr_client_checks I mainly (manually) throw egregious offenders in there that haven’t been added to one of the RBLs yet. In any case - I’ve been wondering about the potential performance impact related to the size of the cidr_client_checks file. I currently have ~ 600 networks listed there. I haven’t noticed anything yet - but would like to know if there’s a size where I should worry. I’ve pruned the oldest entries from here in the past (assuming plenty of time to get them added to an RBL) - but if there’s no foreseeable performance impact - I’d like to not worry about keeping it pruned. Thanks. -- Brandon Applegate - CCIE 10273 PGP Key fingerprint: 830B 4802 1DD4 F4F9 63FE B966 C0A7 189E 9EC0 3A74 "SH1-0151. This is the serial number, of our orbital gun."
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