> -----Original Message-----
> From: centos-bounces@xxxxxxxxxx
> [mailto:centos-bounces@xxxxxxxxxx] On Behalf Of Michael Kress
> Sent: Monday, December 11, 2006 5:49 PM
> To: CentOS mailing list
> Subject: dovecot disconnect(s) / new facts
>
>
> 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
Is there any update for Antivir on the Windows side? It looks like it is
mangling your pop3 commands.
alex
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