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Date:      Thu, 17 Jun 1999 16:47:55 -0500
From:      "Alejandro Ramírez" <ales@megared.net.mx>
To:        "Alfred Perlstein" <bright@rush.net>
Cc:        <freebsd-questions@FreeBSD.ORG>
Subject:   RE: Problem with port 25 and NAT!!!
Message-ID:  <005601beb90b$0e924b80$fba3f9cf@megared.net.mx>
References:  <Pine.BSF.3.96.990617150512.14320o-100000@cygnus.rush.net>

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Sorry for the encoding!!!

Maybe you couldnt understand mi previous message (the encoding thing) , Im
going to answer your question, and Im going to paste the question again
below.

I have no problem at all with the server, mi DNS its working great, i can
telnet mi machine by the ip address and by name, and the response its very
fast, even the telnet to the port 25 and port 110, but with the computers
behind the NAT, I have the same results mentioned above with the exception
of the port 25, it delays 25 seconds to print the greeting message, this is
the only port that its doing this.

First Posting...

Hi,

    Im setting up a FreeBSD 3.2 Release server, as a mail server using
sendmail 8.9.3, i have procmail 3.13.1 to deliver mail to home directories,
have quotas enabled, Im using NAT in my Cisco routers, and everything its
working great, the server its very fast responding to the smtp requests of
the machines in the local network (Where the IP address its not translated)
if telnet the server to the port 25, the response its very fast too, but
when i try to send email with a computer that its behind
the NAT, it takes 25 seconds to respond the smtp request, even if i telnet
to the machine to the port 25 it delays 25 seconds to answer, but in the
computers that are behind the NAT, i can telnet the sever very fast, and
also I can telnet the server to
the port 110 with a very fast response, the problem its only with the port
25 apparently, what can I do to correct this problem, BTW, I also have an NT
machine that its working as mi actual mail server, and i have no problems
with it, i can telnet to this server to the port 25 and the response its
very fast from the computers behind the NAT, i dont think this is a problem
with mi routers, because it always have worked rigth since 1 year ago, and
they are working rigth now very well with the NT server.

Its there some tweak thing to do, or what can I do to Fix it???

PS If you need more information, just tell me.

Thanks in advance!!!

Ales




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