dovecot disconnect(s) / new facts

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Hi,

I just tried the below with the current version 1.0 RC15 (from the dovecot website) and I still got the Problem:
telnet gives me the following output:
-----8<-----8<-----8<-----SNIP-----8<-----8<-----8<-----
+OK dovecot ready.u-ERR invalid command u
s-ERR invalid command s
e-ERR invalid command e
r-ERR invalid command r
-ERR invalid command
u-ERR invalid command u
s-ERR invalid command s
e-ERR invalid command e
r-ERR invalid command r
_-ERR invalid command _
1-ERR invalid command 1

-ERR invalid command
-----8<-----8<-----8<-----SNIP-----8<-----8<-----8<-----

The above output results from the following entry: user user_1[ENTER]

So now I know that this is no version issue.
Can you tell me something on how I can find the solution for this problem? I don't think its a firewall issue, I disabled my Desktop Firewall. On the server I use shorewall, but of course, port 110 is open and it works disabling AntiVir on the client side. The error also occurs when I disable the Server Firewall as well. The error is reproducible on several PCs (I tried 3 PCs). Have you got any hint? Without solving the problem, I have to switch the pop3 server to another one, because this problem is really a crucial one.The only problem is: I like dovecot. :) Moreover I'd like to keep dovecot updatable.

Thanks in advance!
Regards,
Michael

-------- Original-Nachricht --------
Betreff: 	 dovecot disconnect(s)
Datum: 	Wed, 06 Dec 2006 00:29:21 +0100
Von: 	Michael Kress <kress@xxxxxxxxxxx>
Antwort an: 	CentOS mailing list <centos@xxxxxxxxxx>
An: 	CentOS mailing list <centos@xxxxxxxxxx>



Hi, I've got a problem with dovecot regarding a pop3 proxy issue.
When I configure a dovecot server to do just plain pop3 I can telnet
from a windows box without any flaw, but as soon as the client uses some
pop3 proxy (for example outlook uses avira antivir Mail-AntiVirus
Protection), queries to that server fail. A log line looks like this:

pop3-login: Dec 05 22:53:24 Info: Disconnected [::ffff:84.165.54.42]

Moreover with the proxy activated, a telnet to port 110 (pop3) is not
working properly, the cursor stays right behind "+OK dovecot ready." and
as soon as I enter a character, the server rejects this character as an
unknown command. As soon as I turn off the Antivir-Proxy the telnet to
port 110 runs flawlessly and I can login.
Is there any fix for that? Or did I misunderstand something?
TIA for any hint

Regards,
Michael

--
Michael Kress, kress@xxxxxxxxxxx
http://www.michael-kress.de / http://kress.net
P E N G U I N S   A R E   C O O L

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--
Michael Kress, kress@xxxxxxxxxxx
http://www.michael-kress.de / http://kress.net
P E N G U I N S   A R E   C O O L

_______________________________________________
CentOS mailing list
CentOS@xxxxxxxxxx
http://lists.centos.org/mailman/listinfo/centos

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