> From: Paul Howarth <paul@xxxxxxxxxxxx> > Reply-To: For users of Fedora Core releases <fedora-list@xxxxxxxxxx> > Date: Fri, 04 Nov 2005 17:40:02 +0000 > To: For users of Fedora Core releases <fedora-list@xxxxxxxxxx> > Subject: Re: Postfix Sluggish > > Ki Song wrote: >> One reason why the maillog is so huge is because all the messages that are >> trying to be sent to this domain (knifecenter.com) that are the target of >> spam ... basically, they are sending to any and all potential names in the >> knifecenter domain ... for example, a particular server tries to send a >> message (probably spam) to: a@xxxxxxxxxxxxxxx, then aa@xxxxxxxxxxxxxxx, then >> ab@xxxxxxxxxxxxxxx, then ac@xxxxxxxxxxxxxxx, etc. >> >> The maillog contains all the rejected messages because those addresses do >> not exist. How do I continue to reject the messages to erroneous addresses >> without showing it in the maillog? > > You don't. You firewall off the server that's doing the dictionary > attack and then your mail server will never see the connections from it, > hence no logging. Isn't that just putting a "bandaid" on the problem ... I mean, isn't the list of ip addresses that i firewall off eventually going to be too big to manage? If the above isn't true, is there a central location that people can get a hold of that has a list of "bad ip" addresses? Similar to Spamassassin's list? > > Paul. > > -- > fedora-list mailing list > fedora-list@xxxxxxxxxx > To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
