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Hi guys...

i hope you can help me.

From one of my accounts contabilidad<_a.t_> i try to send an email to contacto<_a.t_> and it can't be deliver! Sad.

I'd tryed to sent it again from an external email like hotmail and it work perfect... can anyone tell me why is this happening?....

KMS gaves me this error.... please i need your help to fix this.

Thanks so much!
Greetings from Chile

------------------------------------------------------------ --------------------

Received: from andreadhp94flm ([])
by (Kerio MailServer 6.5.0)
for contacto<_a.t_>;
Wed, 16 Apr 2008 10:03:07 -0400
Message-ID: <002701c89fca$8bcbab50$6b00a8c0<_a.t_>andreadhp94flm>
Reply-To: "Contabilidad de ANDREA FILMS" <contabilidad<_a.t_>>
From: "Contabilidad de ANDREA FILMS" <contabilidad<_a.t_>>
To: <contacto<_a.t_>>
Subject: Fw: Pago cuota sindical
Date: Wed, 16 Apr 2008 10:02:45 -0400
Organization: Andrea Films S.A.
MIME-Version: 1.0
Content-Type: multipart/mixed;
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2900.2180
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180

Messages: 2119
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You've only provided some email headers, not an error message. Please provide more info.

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That is the error... that's the weird thing!.... putting the Mail Delivery Subsystem....

Este es un mensaje informativo enviado por

El servidor no ha podido entregar su mensaje de correo electrónico

Subject: mail de prueba
Date: Thu, 24 Apr 2008 12:57:18 -0400

a las siguientes direcciones:

<contacto<_a.t_>> ( 421 Error: too many errors)Reporting-MTA: dns;
Arrival-Date: Thu, 24 Apr 2008 12:57:21 -0400

Original-Recipient: contacto<_a.t_>
Final-Recipient: rfc822;contacto<_a.t_>
Action: failed
Status: 5.5.1
Diagnostic-Code: SMTP; 421 Error: too many errors
Received: from [] ([])
by (Kerio MailServer 6.5.0)
for contacto<_a.t_>;
Thu, 24 Apr 2008 12:57:21 -0400
Mime-Version: 1.0 (Apple Message framework v753)
To: contacto<_a.t_>
Message-Id: <1E2D7D39-75C9-4176-AF14-7382D677BD36<_a.t_>>
Content-Type: multipart/alternative; boundary=Apple-Mail-2-968288745
From: Francisco Rojas <frojas<_a.t_>>
Subject: mail de prueba
Date: Thu, 24 Apr 2008 12:57:18 -0400
X-Mailer: Apple Mail (2.753)

I don't know what else to do!

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"421 too many errors" usually means just that, there were too many errors or rejected commands, so the mail server closed the connection. What you need to find out, is what is causing the errors/rejected commands.

Enable SMTP Server, and SMTP Client in the KMS debug log, and try to send the message again. That should show you what is going.


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This is the Debug:

[24/Apr/2008 14:21:05][43762176] {smtpc} Connecting to, delivering mail from <frojas<_a.t_>>
[24/Apr/2008 14:21:05][43762176] {smtpc} Connected to
[24/Apr/2008 14:21:05][43762176] {smtpc} Received greeting: 220 ESMTP Postfix
[24/Apr/2008 14:21:05][43762176] {smtpc} Sending EHLO
[24/Apr/2008 14:21:05][43762176] {smtpc} EHLO failed on server, sending HELO
[24/Apr/2008 14:21:05][43762176] {smtpc} HELO failed on server 421 Error: too many errors
[24/Apr/2008 14:21:08][43110400] {smtps} SMTP server session begin; client connected from

Anything wrong??

Pavel Dobry (Kerio)

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Check the Internet Hostname in Domain settings. Remote server is rejecting connection from your server, most probably due to invalid hostname in greeting.

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Where is that setting?.

Under Domain i select any of our domains and there isn't a Internet Hostname option.

Thanks so much!!!
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