> I think you can prevent connections on 25 port from that system..
> any other ideas?
>
You can recompile sendmail to use libwrap (part of the tcpwrappers
package). It's in the sendmail documentation how to do this. It's
probably a good idea for anyone who has a workstation on the net.
> > Date: Thu, 31 Jul 97 11:04:17 PST
> > From: David Beitler <dbeitler@ndcwireless.com>
> > To: unlisted-recipients: ;
> > Cc: linux-net@vger.rutgers.edu
> > Subject: Re[2]: Office for Linux
> >
> > Someone is using my system as an email relay. Is there any way I can
> > modify sendmail.cf, or otherwise set my configuration up to prevent
> > this.
> >
> > Here is an example logfile clip.
> >
> > All of the relayed emails, come from this same name/address.
> >
> >
> > sendmail[15761]: OAA15761: from=<CommNOW_Robot@commnow.com>,size=4550,
> > class=0, pri=34550, nrcpts=1, msgid=<2400845823.1896353@commnow.com>,
> > proto=ESMTP, relay=macromac.commnow.com [157.151.203.4]
> >
> >
> > David Beitler
> > dbeitler@ndcwireless.com
> >
> > ______________________________ Reply Separator _________________________________
> > Subject: Re: Office for Linux
> > Author: John Heil <netmgr@scsoftware.tea-house.com> at INTERNET
> > Date: 7/31/97 7:35 AM
> >
> >
> >
> >
> > On Thu, 31 Jul 1997, Silviu Stefirta wrote:
> >
> > > Hello!
> > > Is there any "Office" (E.G. MS Office: Word+Excel at least) under Linux?
> > > Where can I get it?
> > >
> > > Thanx
> >
> > Just to give you a more complete picture, on the commerical side, Caldera
> > (www.caldera.com) has ported Applixware (www.applix.com I think) to Linux.
> > Applixware is well known/wide spread on other unix platforms.
> > Caldera sells their personnal version to students etc, at a deep
> > discount, and to regular folks at a reasonable price,
> > significantly cheaper the the M$ equivalents. They also sell a
> > deverlopment version with tookkits etc, that is somewhat more
> > expensive.
> >
> > -----------------------------------------------------------------
> > John Heil
> > South Coast Software
> > 1-714-774-6952
> > netmgr@scsoftware.tea-house.com
> > -----------------------------------------------------------------
> >
> >
> >
>
> ---
> Fyodor Yarochkin aka Xiz0L (3312)474465 fygrave@freenet.bishkek.su
> http://www.freenet.bishkek.su/~fygrave/ http://www.tigerteam.net/anarchy/
> http://www.geocities.com/SunsetStrip/Alley/8302
> "Infernus" band's links http://www.geocities.com/SunsetStrip/Towers/7734
> http://www.ubl.com/artists/013602.html
> ASHes to ASHes, DO(g)S to DO(g)S.
> "The more people I meet, the more I like my ...Linux box."
> GCS/GCC/GIT/GMU/d---/s:/a--/C++++/L++/U+++/P++/E/W++/N-/o/K-/W---/O-/M--/
> V-/PS--/PE-/Y++/PGP++/t/5-/X++/R/tv/h++/D--/G/e/h!/r%/z? (Geek-3.1)