Date: Fri, 21 Jun 2002 21:40:19 -0700 From: Darren Pilgrim <dmp@pantherdragon.org> To: "Kevin Kinsey, DaleCo, S.P." <kdk@daleco.biz> Cc: Mark Hartley <mark@work.drapple.com>, twig les <twigles@yahoo.com>, security@FreeBSD.ORG Subject: Re: Possible security liability: Filling disks with junk or spam Message-ID: <3D13FFB2.39A80570@pantherdragon.org> References: <XFMail.020621180634.mark@work.drapple.com> <004301c2199d$dbacf3e0$5dec910c@daleco>
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"Kevin Kinsey, DaleCo, S.P." wrote: > > Better yet, comment out the lines in /etc/aliases, > which will cause the mail to be returned > since that user won't exist. > > Why increase the spam traffic by the use > of the bitbucket? If the mail doesn't come > back they just keep sending...... Without the aliases(5) entries, the mail will be delivered to local mailboxes for those pesudo-users, eventually filling the disk if you don't monitor disk usage. This was precisely the problem for Brett's client. IMO the proper way to handle this is to use an MTA that has some kind of access-control mechanism to restrict mail delivery to non-user accounts in addition to having a forwarding mechanism for them. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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