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[ale] the _REAL_REASON_ for the admin change



On Wed, Feb 20, 2008 at 02:52:59AM -0500, Jim Popovitch wrote:
> Aggression is a good thing, these days, when trying to thwart spam.
> No DNSBL is perfect, but most are reasonable.
I found it blocking too much of my clients' email.  It had to go.

Spam filtering involves working a very fine line between "ya gotta block
more spam" and "you can't block that even if the From: address doesn't
match the domain of the IP and it contains a dirty joke".

> -Jim .P

Best regards,

Bob Toxen, CTO
Horizon Network Security
"Your expert in Spam and Virus Filters, Linux server hardening, Firewalls,
Network Monitoring, Linux System Administration, VPNs, local and remote
backup software, and Network Security consulting, in business for 18 years."

www.VerySecureLinux.com        [Network & Linux/Unix Security Consulting]

> On 2/20/08, Bob Toxen <transam at verysecurelinux.com> wrote:
> > I find sorbs.net to be too aggressive.
> >
> > Bob Toxen
> > bob at verysecurelinux.com               [Please use for email to me]
> > http://www.verysecurelinux.com        [Network&Linux security consulting]
> > http://www.realworldlinuxsecurity.com [My book:"Real World Linux Security
> > 2/e"]
> > Quality spam and virus filters.
> > Quality Linux & UNIX security and SysAdmin & software consulting since 1990.
> >
> > "Microsoft: Unsafe at any clock speed!"
> >    -- Bob Toxen 10/03/2002
> >
> > On Wed, Feb 20, 2008 at 12:16:14AM -0500, Jim Popovitch wrote:
> > > 2008/2/20 Jim Kinney <jim.kinney at gmail.com>:
> > > > Clearly, spamassassin needs some tuning on the new server.
> > >
> > > spamassassin should be at least the 3rd level protection, after
> > > ClamAV.  First line should be DNSBLs at the MTA.
> > >
> > > Add these to sendmail.mc and recompile it:
> > >
> > > FEATURE(`enhdnsbl', `dnsbl-1.uceprotect.net', `Rejected by DNSBL')dnl
> > > FEATURE(`enhdnsbl', `dnsbl-2.uceprotect.net', `Rejected by DNSBL')dnl
> > > FEATURE(`enhdnsbl', `zen.spamhaus.org', `Rejected by DNSBL')dnl
> > > FEATURE(`enhdnsbl', `dnsbl.sorbs.net', `Rejected by DNSBL')dnl
> > >
> > >
> > > -Jim P.
> > > _______________________________________________
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> > > Ale at ale.org
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> >
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