[courier-users] Bizarre TLS/Plain behaviour?

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I connect to my ESMTP port from any IP address, even local, and I get no response for a EHLO command.

But email sent among TLS enabled MTAs gets perfectly to my courier setup.

What is happening?

- --
Arturo "Buanzo" Busleiman - www.buanzo.com.ar - GNU/Linux Documentation
President, Open Information System Security Group - Argentina
Counter Manager for Argentina - Tenes Linux? Anotate: http://counter.li.org
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Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org

iD8DBQFCGlbRAlpOsGhXcE0RAjtyAJ0bYECTKZAtbbGuz+5aD0 A5LbZP8wCeIvdk
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--------------020701050009020308080607
Content-Type: text/x-vcard; charset=utf-8;
name="buanzo.vcf"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
filename="buanzo.vcf"

begin:vcard
fn:Arturo 'Buanzo' Busleiman
n:Busleiman;Arturo
org:OISSG, Linux Counter, Wholenet, SOLAR, CaFeLUG
adr:;;;;BA;;Argentina
email;internet:buanzo@buanzo.com.ar
title:President OISSG.Ar, Argentina Country manager Linux Counter
x-mozilla-html:FALSE
url:http://www.buanzo.com.ar
version:2.1
end:vcard


--------------020701050009020308080607--


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