[cobalt-users] RE: Block List Tip

["Jon" <jjma100@xxxxxxxxxxx>]

Hello,

> > I just found a nice blacklist that can be easily added to
> > Sendmail's access
> > list and possibly block spam e-mails.  To get the list go to
> > the following
> > link:
> >
> http://www.stearns.org/sa-blacklist/sa-blacklist.curren
> t.sendmail-access
>
> Instead of appending that the way it is, I edited
> sendmail.cf R<REJECT>
> $* line so when /etc/mail/access says simply REJECT it
> sends a custom
> message to keep the access file smaller. That way I
> can simply replace
> all the instances of "ERROR:550 "Blocked by
> http://www.stearns.org/sa-blacklist/""; with simply REJECT.

I'm interested to know what you put in your custom message as I
run a DNSbl in our sendmail.cf with a redirect to a page to
explain the reason for rejection. Is this the same?

What type of performance hit would you have if you threw all the
listed addresses into your sendmail access file?

regards

Jon