Date: Fri, 29 Mar 2002 18:11:33 -0500 (EST) From: Peter Leftwich <Hostmaster@Video2Video.Com> To: Bryan Crowley <crowleybryan@eircom.net> Cc: FreeBSD Questions <freebsd-questions@FreeBSD.ORG> Subject: Re: Sendmail question - block users from sending email to internet Message-ID: <20020329180902.I75496-100000@earl-grey.cloud9.net> In-Reply-To: <001701c1d77e$18ed71b0$5a01a8c0@fusion.ie>
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On Sat, 30 Mar 2002, Bryan Crowley wrote: > Hi - I would like block all/some users sending email to internet and receive email from internet. I am setting up a Freebsd box for lectures to faclate their sysablus but only want the users to be able to mail local users on the box. I am using FreeBSD v1.5. Any help would be graciously accepted. > Best Regards > Bryan Check out "man sendmail" especially and http://www.sendmail.org but for now this should get you started: In /etc/mail/sendmail.cf you might see two lines like this: # Hosts for which relaying is permitted ($=R) FR-o /etc/mail/relay-domains mypromt$ cat /etc/mail/relay-domains # Mail relay access control list. Default is to reject mail unless the # destination is local, or listed in /etc/mail/local-host-names #cyberspammer.com 550 We don't accept mail from spammers #FREE.STEALTH.MAILER@ 550 We don't accept mail from spammers #another.source.of.spam REJECT #okay.cyberspammer.com OK #128.32 RELAY localhost RELAY 127.0.0.1 RELAY -- Peter Leftwich President & Founder Video2Video Services Box 13692, La Jolla, CA, 92039 USA +1-413-403-9555 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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