from your mailserver.. try to telnet on mail-abuse.org
$ telnet mail-abuse.org
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, July 04, 2001 6:52 PM
Subject: Re: Re: [plug] How can i detect where spam mail are coming from?
>
> How can i check if my mail server is open for relaying?
>
> What should we handle bounce messages if SPAM comes from diferent
domains - LOTS - of different domains.
>
> pls advice....
>
>
> [EMAIL PROTECTED] wrote:
> >
> >
> > [EMAIL PROTECTED] wrote:
> >
> > >On Wed, 4 Jul 2001, Jolly Roger wrote:
> > >
> > >>
> > >> Take a look at your headers being returned by the bounce message. If
> > >> you see something like "Received: from big.sportec.es (EHLO
> > >> correo.sportec.es) (195.75.168.2)", we may be up against the same
> > >> guys.
> >
> > I did a quick test big.sportec.es is an Open Relay.
> >
> > >that same spammer used 3 of the domains we host and and used it as
source
> > >address. So since early this morning, got close to a thousand bounced
> > >mails to $random$ :(
> >
> > Yeah, so they're using several open relays, many in .kr and .tw. Lots of
open relays (and incompetent/indifferent admins) in .kr, apparently.
> >
> > >by the looks of it, they used multiple open relays... but not ours ;)
> >
> > Doesn't matter, we're still the ones that have to handle with bounce
messages.
> >
> > >so now, spammers don't just invent domains, they use your domain...
> >
> > Yup. I'd still like to have a word with the administrators of those open
relays though...
> >
> > JR
> >
> > __________________________________
> > www.edsamail.com
> > _
> > Philippine Linux Users Group. Web site and archives at
http://plug.linux.org.ph
> > To leave: send "unsubscribe" in the body to
[EMAIL PROTECTED]
> >
> > To subscribe to the Linux Newbies' List: send "subscribe" in the body to
[EMAIL PROTECTED]
> >
> __________________________________________________________________
> Get your own FREE, personal Netscape Webmail account today at
http://webmail.netscape.com/
> _
> Philippine Linux Users Group. Web site and archives at
http://plug.linux.org.ph
> To leave: send "unsubscribe" in the body to [EMAIL PROTECTED]
>
> To subscribe to the Linux Newbies' List: send "subscribe" in the body to
[EMAIL PROTECTED]
_
Philippine Linux Users Group. Web site and archives at http://plug.linux.org.ph
To leave: send "unsubscribe" in the body to [EMAIL PROTECTED]
To subscribe to the Linux Newbies' List: send "subscribe" in the body to
[EMAIL PROTECTED]
