DNSBL settings problems in Sendmail ?

Warren Block wblock at wonkity.com
Fri Apr 11 17:26:02 PDT 2003

On Sat, 12 Apr 2003, Andreas Wideroe Andersen wrote:

> ----- Original Message -----
> From: Warren Block <wblock at wonkity.com>
> Date: Friday, April 11, 2003 4:13 pm
> Subject: Re: DNSBL settings problems in Sendmail ?
> > On Fri, 11 Apr 2003, rob.c wrote:
> >
> > > DNSBL settings problems in Sendmail ?

I did not write that.  Please check your quoting.

> According to my experiences, yes there are problems. I had this problem
> for one day on both of my servers running FreeBSD 4.7 STABLE and 4.8
> RC. One day both stopped. I didn't know why and I get lots of did not
> issue errors in my /var/log/maillog. I removed all dnsbl's from the mc
> file, recompiled and installed the file into a cf file and the problems
> were gone,

That has not been my experience; it's worked fine for me for well over a
year.  Maybe one of the DNSBLs you were using had problems.

> but the spam was soon filling up my mailboxes. This actually
> led me to install and configure spamassassin which works very well
> indeed.

But only after the spam has already been received.  DNSBLs can stop it
before the bandwidth has been stolen.

-Warren Block * Rapid City, South Dakota USA

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