On Mon, May 12, 2008 at 10:04 AM, brad davison
<[EMAIL PROTECTED]> 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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