On Thu, 2006-07-06 at 15:39 -0500, Aaron Konstam wrote: > On Thu, 2006-07-06 at 16:35 +0100, Paul Howarth wrote: > > Aaron Konstam wrote: > > > On Thu, 2006-07-06 at 08:54 +0100, Paul Howarth wrote: > > >> On Thu, 2006-07-06 at 11:15 +0530, [email protected] wrote: > > >>> hi frieds > > >>> i have mail server on linux > > >>> my mail server generate spam mail > > >>> how to avoid this spamming > > >>> > > >>> the spam mail will come from external globval network > > >>> i thaught that my server any port is opren > > >>> how to secure my mail server > > >> You will need to tell people: > > >> > > >> * which mail server software you are running > > >> * which configuration options you have changed from the defaults > > >> * what the spam looks like (with full headers) > > >> > > >> Paul. > > > The above described information would be interesting but I think the > > > answer is to use spamassassin which comes with the > > > distribution. Instructions for use are on the web and in the file > > > users_prefs.template. Use of procmail to separate the spam and non-spam > > > streams would be useful. > > > > He said his server was *generating* spam mail, which is a > > configuration/security/abuse issue. > > > > SpamAssassin helps with filtering received mail, but not with this type > > of problem. Well, perhaps if SA was used for outbound mail too, but that > > would be partially addressing the symptoms rather than finding a cure. > > > > Paul. > > > You might be right but I read his whole message differently. In part of > the message he says: > >> the spam mail will come from external globval network > > >>> i thaught that my server any port is opren > > I think this is a difficulty with English problem. I can't quite see how > his mail server could be generating the spam but I guess it is possible. Could be that the server is an open relay, has an insecure PHP script running on a web server on the same machine, many other routes. You're right though, it's hard to tell unless the OP comes back and clarifies things. Paul.