lists-centos wrote: > Did you run the tests at: > > <http://www.abuse.net/relay.html> > > against your server? If so, what test did it fail at? > > What's in your /var/mail/access file with a "RELAY" tag? > > the test shows: Mail relay testing Connecting to 24.123.23.170 for anonymous test ... <<< 220 unifiedpaging.messagenetsystems.com ESMTP Sendmail 8.13.1/8.13.1; Fri, 4 Jun 2010 11:20:36 -0400 >>> HELO www.abuse.net <<< 250 unifiedpaging.messagenetsystems.com Hello gateway [192.168.1.1], pleased to meet you Relay test 1 >>> RSET <<< 250 2.0.0 Reset state >>> MAIL FROM:<spamtest at abuse.net> <<< 250 2.1.0 <spamtest at abuse.net>... Sender ok >>> RCPT TO:<securitytest at abuse.net> <<< 250 2.1.5 <securitytest at abuse.net>... Recipient ok Relay test result Hmmn, at first glance, host appeared to accept a message for relay. my access files consists of: # Check the /usr/share/doc/sendmail/README.cf file for a description # of the format of this file. (search for access_db in that file) # The /usr/share/doc/sendmail/README.cf is part of the sendmail-doc # package. # # by default we allow relaying from localhost... localhost.localdomain RELAY localhost RELAY 127.0.0.1 RELAY 192.168.1.2 RELAY 192.168.1.8 RELAY 192.168.1.38 RELAY 192.168.1.50 RELAY 192.168.1.59 RELAY 192.168.1.60 RELAY 192.168.1.124 RELAY 192.168.1.134 RELAY 192.168.1.135 RELAY 192.168.1.152 RELAY 192.168.1.173 RELAY 192.168.1.253 RELAY 192.168.1.254 RELAY 24.123.23.170 RELAY 24.123.23.171 RELAY pagestation.com RELAY visualpaging.com RELAY messagenetsystems.com RELAY 192.168.1 RELAY tw.yahoo.com REJECT hinet.net REJECT pandodo.org REJECT beetara.org REJECT beautiful-products.com REJECT boldselection.com REJECT email.womanwithin.com REJECT healthdesigns.com REJECT ikitchen.com REJECT shiptoner.org REJECT enterprise-alerts.com REJECT jetsgloves.com REJECT .ru REJECT .su REJECT .com REJECT .net REJECT