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From: Wietse Venema (wietse_at_porcupine.org)
Date: Mon Sep 02 2002 - 13:39:49 CDT

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    Theodore Knab:
    > I was wondering if using tcp_enc on a Postfix MTA would cause any problems with
    > Windows SMTP clients or other mail host ?

    Caution: don't overlook the possibility of broken so-called firewalls,
    or broken so-called intrusion detection software, or whatever happens
    to be on the wire from point A to point B.

            Wietse

    > For example, I have the following parameter (from a firewall context) in my Postfix MTA:
    >
    > echo 1 > /proc/sys/net/ipv4/tcp_ecn
    >
    > Refrences:
    > http://list.waikato.ac.nz/archives/nznog/2001/10/msg00029.html
    >
    > http://www.uwsg.iu.edu/hypermail/linux/kernel/0101.3/0456.html
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