> I ran pflogsumm today and I see this. > Is this something that I'm suppose to see? or do I have to do something to > fix this? > this is only part of the file, I didn't want to put the whole list for it is > kind of long. > > Warnings
A warning is not an error. It is a condition that Postfix did not like, and is informing you about. In some situations it might be worth looking into. > -------- > smtpd > 6 202.57.79.189: hostname adsl-57.79.189.info.com.ph > verification... Probably some DSL spammer. > 4 75.154.85.192.dynablock.wirehub.net: RBL lookup error: Name > ser... This is a DNS issue, usually transient and possibly caused by saturation. > 3 64.119.213.84: address not listed for hostname passionup.com Poorly done DNS records. > 3 150.20.74.198.dynablock.wirehub.net: RBL lookup error: Name > ser... > 3 66.111.250.62: address not listed for hostname > SMTP1.ADMANMAIL.COM > 2 63.120.65.63.dynablock.wirehub.net: RBL lookup error: Name > serv... > 2 207.170.17.83: address not listed for hostname > freedomplastics.com > 2 41.83.253.204.dynablock.wirehub.net: RBL lookup error: Name > ser... > 2 43.84.218.66.dynablock.wirehub.net: RBL lookup error: Name > serv... > 2 37.83.253.204.dynablock.wirehub.net: RBL lookup error: Name > ser... > 2 216.162.101.128: hostname mailer128.yourbigvote.com > verificatio... > 2 66.180.243.83: hostname out-66-180-243-83.zoanmail.com > verifica... > If you see tons from certain spammers, block them at a firewall and it sure will cut down this logging. Otherwise most warnings require little if anything. --Eric
