Date: Mon, 12 May 2008 11:43:52 -0400 From: "Josh Carroll" <josh.carroll@gmail.com> To: "brad davison" <demonichandextensions@hotmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: telnet to mail server from outside does not get 220, telnet from inside works Message-ID: <8cb6106e0805120843n1bdc16b3k4f35bfcb00eb81ac@mail.gmail.com> In-Reply-To: <BLU116-W309DE8D93C9B937FFF824AA1CC0@phx.gbl> References: <BLU116-W309DE8D93C9B937FFF824AA1CC0@phx.gbl>
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On Mon, May 12, 2008 at 10:04 AM, brad davison <demonichandextensions@hotmail.com> wrote: > > Is there something I need to configure in telnetd or sendmail to allow 'outside' IP addresses to telnet to the mail server and get a 220 response? > > When I 'telnet localhost 25' i get: > > email# telnet localhost 25 > Trying ::1... > Connected to localhost.xxxxxxxxx.com. > Escape character is '^]'. > 220 email.xxxxxxxxx.com ESMTP Sendmail 8.13.8/8.13.8; Mon, 12 May 2008 10:01:39 -0400 (EDT) > > > > But if I try the same thing from 'outside' the firewall I get: > > %telnet email.xxxxxxxxxxxx.com 25 > Trying 67.x.x.x... > Connected to email.xxxxxxxxxxx.com. > Escape character is '^]'. > Connection closed by foreign host. That looks like TCP wrappers dropping the connection. Have you checked /etc/hosts.{allow,deny}? man 5 hosts_access for details. Josh
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