On Dienstag, 27. September 2005 07:51 email builder wrote:
> The above can probably be done in Postfix with one or two restriction
> classes.
>
> http://www.postfix.org/postconf.5.html#smtpd_restriction_classes
> http://www.postfix.org/RESTRICTION_CLASS_README.html
>
> I'd be curious to hear if any
--- Herb Martin <[EMAIL PROTECTED]> wrote:
> > I am new to postfix and spamassassin, but we are already
> > using greylist, and I liked a lot what you said here.
> >
> > How can I greylist messages by means of RBL checking? How
> > should I setup Postfix to do that?
> >
> > Regards,
> > Carl
> I am new to postfix and spamassassin, but we are already
> using greylist, and I liked a lot what you said here.
>
> How can I greylist messages by means of RBL checking? How
> should I setup Postfix to do that?
>
> Regards,
> Carlos.
I am not a Postfix expert, and cannot really call myself
Hi !!
I am new to postfix and spamassassin, but we are already using
greylist, and I liked a lot what you said here.
How can I greylist messages by means of RBL checking? How should I
setup Postfix to do that?
Regards,
Carlos.
2005/9/24, Herb Martin <[EMAIL PROTECTED]>:
> > From: Kai Schaetzl [
> From: Kai Schaetzl [mailto:[EMAIL PROTECTED]
> Not sure how you combine that. AFAIR, greylisting is
> tempfailing the first SMTP delivery attempt, correct? Do you
> check the IP with RBLs and then tempfail it? So, you don't
> tempfail *every* connection attempt like "traditional"
> greylist
Herb Martin wrote on Sat, 24 Sep 2005 07:17:06 -0500:
> You RISK getting false positives with ANY RBL
Of course, yes. One better speaks of a "cost-value ratio" (with cost being
"false positives" for your clients and value being the rejected spam and
viruses). In this respect the combined Spamh
> From: Kai Schaetzl [mailto:[EMAIL PROTECTED]
> If you want to be safe, then use rbl+xbl.Spamhaus only. It is
> safe *and* effective. If you add any other you risk getting
> false positives. That is in the nature of RBLs and there is
> no reason to complain about that fact or any of these RBLs