On Wed, Apr 25, 2001 at 10:48:10AM -0700, Karsten M. Self wrote: > on Wed, Apr 25, 2001 at 09:44:00AM +0200, Sebastiaan ([EMAIL PROTECTED]) > wrote: > > Hi, > > > > I have reason to belive that my computer is used as a relay host for > > spam. Walking through the logs, I found one ip number which has no ip > > name, but it connects the computer every hour or so and sends some mail.
Logs? Output of postconf -n? > > I want to block this address, but I have not succeeded in configuring the > > hosts.deny file correctly. This is what I have: > > > > hosts.allow: empty > > hosts.deny: > > ALL: 1.2.3.4 > > ALL: PARANOID > > > > where 1.2.3.4 is the spammers' address. I want to deny him smtp access (or > > all access to this machine). > > > > I tried to do this with my own ip, but I was still able to connect to port > > 25. Telnet access was forbidden however. > > > > I use Postfix as maildaemon. > > I don't believe you want to be messing around in hosts.allow for this. you don't. postfix isn't usually built with tcpwrappers. > I'm not specifically familiar with postfix, but suspect there's a fairly > straightforward way to disable mail relays. Check your docs. postfix, by default, doesn't allow relaying. It's even tricky to make it relay for something other than 'my_networks'. See http://www.postfix.org/uce.html for how to control incoming spam (by IP, sender, regex's, whatever.) -- CueCat decoder .signature by Larry Wall: #!/usr/bin/perl -n printf "Serial: %s Type: %s Code: %s\n", map { tr/a-zA-Z0-9+-/ -_/; $_ = unpack 'u', chr(32 + length()*3/4) . $_; s/\0+$//; $_ ^= "C" x length; } /\.([^.]+)/g;
