In 5.5 you can disable mail relay. I don't recall exactly which tab, but it's in the properties sheet of the IMC. Also look for 550 error messages. --- John Tanouye <[EMAIL PROTECTED]> wrote: > I'm wondering if our mail servers are being > exploited in the same way. Is > there any way to tell if our Exchange 5.5 server is > being used by spammers? > > Thanks, > > John > FW-1 4.1 NT > > -----Original Message----- > From: Tim Anderson > [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, October 24, 2001 7:24 AM > To: [EMAIL PROTECTED] > Subject: Re: [FW-1] Spam blacklist...How to stop > open relays at the > firewa ll(FW-1 ) HELP!!!!!!!!! > > > What type of mail relay are you using? If it is > Exchange you can refuse > relaying very easily except for appropriate inbound > mail. I am sure > Sendmail has similar features. > > Tim Anderson > > -----Original Message----- > From: Reed Mohn, Anders > [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, October 24, 2001 3:48 AM > To: [EMAIL PROTECTED] > Subject: Re: [FW-1] Spam blacklist...How to stop > open relays at the > firewa ll(FW-1 ) HELP!!!!!!!!! > > > Sorry for pointing out the obvious here, but: > > The best way is, of course, to fix the mailserver. > > One day, someone will find a loophole through the > firewall, > and you will be up that creek again. > > Cheers, > Anders :) > > > > -----Original Message----- > From: Timothy K. Cornelius [mailto:[EMAIL PROTECTED]] > Sent: 23. oktober 2001 23:27 > To: [EMAIL PROTECTED] > Subject: Re: [FW-1] Spam blacklist...How to stop > open relays at the > firewall(FW-1 ) HELP!!!!!!!!! > > > > > At this time our internet mailserver(behind the > FW-1) has been designated as > an open relay mailserver and has been blacklisted by > several spam blocker > websites( www.orbz.org <http://www.orbz.org> is one > of them) after reading > up on how to stop this at the firewall I added two > rules on the firewall > with services w/resources. the > resource(SMTP->our-mail-only-in) is SMTP and > the match is coming in the sender is * and the > recipient is *loi.org. The > other is going out, the > resource(SMTP->our-mail-only-out) is SMTP and the > match is sender is *loi.org and the recipient is * > I have also created a > rule below these two that denies and mail service > plus 2 services with > resources (SMTP->openrelay-in and > SMTP->openrelay-out) these are the same as > the first two. Is this not the correct way to handle > stopping an open relay > mailserver or is there a better way? > > > PLEASE HELP ME ASAP!!!!!!!!!!!!!!! our mail > services are just about > non-existent, except my Firewall email groups. > > 1 Source: any Dest.: mailserver Service: > SMTP->our-mail-only-in > Action: accept > 2 Source:mailserver Dest: any > Service:SMTP->our-mail-only-out > Action: accept > > > Thanks in advance, > > Tim > > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system > (http://www.grisoft.com). > Version: 6.0.286 / Virus Database: 152 - Release > Date: 10/9/2001 > > > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system > (http://www.grisoft.com). > Version: 6.0.286 / Virus Database: 152 - Release > Date: 10/9/2001 > > =============================================== > To unsubscribe from this mailing list, > please see the instructions at > http://www.checkpoint.com/services/mailing.html > =============================================== > > =============================================== > To unsubscribe from this mailing list, > please see the instructions at > http://www.checkpoint.com/services/mailing.html > =============================================== > > =============================================== > To unsubscribe from this mailing list, > please see the instructions at > http://www.checkpoint.com/services/mailing.html > ===============================================
===== D. Cupit MCSE, CCNA, CNE, A+ Integrity Integration 516.566.8270 MTM; [EMAIL PROTECTED] 307 7th Ave. Ste. 903 New York, N.Y. 10001 __________________________________________________ Do You Yahoo!? Make a great connection at Yahoo! Personals. http://personals.yahoo.com =============================================== To unsubscribe from this mailing list, please see the instructions at http://www.checkpoint.com/services/mailing.html ===============================================
