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krayz

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Hi All,

When I send mails to hotmail using my KMS I got the following messages;

Quote:

The server was not able to deliver your mail message

Subject: Re: .......
Date: Sun, 09 Dec 2007 11:33:45 +0100

to the following addresses:

<blabla<_a.t_>hotmail.com> (mx1.hotmail.com: Connection lost)



At KMS Administration Console I'll see the following error:
Quote:

[10/Dec/2007 11:24:14] Sent: Queue-ID: 475bc489-00000d6c, Recipient: <blabla<_a.t_>hotmail.com>, Result: delayed, Status: 4.4.2 Connection lost


How to fix this?

I already read something about DNS PTR records but I don't have any DNS server installed in my network. So maybe something else is wrong?
Or should I install a DNS on the same machine where KMS is running?

Can someone explain me what to do? Thnx in advance!!
  •  
My IT Indy

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You need to register DNS with either your ISP or another host like dyndns.com to ensure mail delivery.

-
My IT Indy
Kerio Certified Reseller and Hosted Provider
http://www.myitindy.com
  •  
krayz

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Well, my isp made a host address like;

mail.mydomain.nl

ain't this the right method?
In KMS at the domain tab i got

Quote:

Name Type Alias Descr...
mydomain.nl Local(primary) mail.mydomain.nl blabla


Or should the Alias be the Name?

[Updated on: Wed, 12 December 2007 14:48]

  •  
krayz

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Nobody who can help me out?

This is a really big issue here...

I geuss I overlook something... but what??

[Updated on: Thu, 13 December 2007 13:07]

  •  
winkelman

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Does your domain have a (and the proper) PTR record (reverse DNS)? That's necessary for delivery to a lot of servers (incl. Hotmail).
  •  
krayz

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Well, I have made a host like;
mail.mydomain.nl

Is it true that the PTR Record which my ISP should make is;

mail.mydomain.nl
and my ip-address?

The mail addresses themselves are .....<_a.t_>mydomain.nl

If Yes, I already send a msg to my ISP to make this PTR Record.
So it should be fixed?

Why is it that my mails still are in the queue? Does this DNS change take some time before activated?

[Updated on: Mon, 17 December 2007 10:31]

  •  
freakinvibe

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This doesn't look like a PTR problem to me.

Connection lost normally means a connectivity problem between KMS and the hotmail mx servers. KMS should try again for a defined amount of time.

Can you enable the SMTP client logging in KMS and post the contents of the log when sending to hotmail? It is more verbose than the standard SMTP log.

Dexion AG - The Blackberry Specialists in Switzerland
https://dexionag.ch
  •  
krayz

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Hi,

here my logfile from the SMTP Client log;

Quote:

[17/Dec/2007 13:30:56][21491] {smtpc} Connecting to mx1.hotmail.com, delivering mail from <blabla<_a.t_>mydomain.nl>
[17/Dec/2007 13:30:56][21491] {smtpc} Connected to mx1.hotmail.com
[17/Dec/2007 13:30:57][21491] {smtpc} Received greeting: 220 bay0-mc6-f19.bay0.hotmail.com Sending unsolicited commercial or bulk e-mail to Microsoft&apos;s computer network is prohibited. Other restrictions are found at http://privacy.msn.com/Anti-spam/. Violations will result in use of equipment located in California and other states. Mon, 17 Dec 2007 04:33:17 -0800
[17/Dec/2007 13:30:57][21491] {smtpc} Sending EHLO
[17/Dec/2007 13:30:57][21491] {smtpc} EHLO failed on server mx1.hotmail.com, sending HELO
[17/Dec/2007 13:30:57][21491] {smtpc} SMTP connection closed while reading SMTP reply
[17/Dec/2007 13:30:57][21491] {smtpc} Connecting to mx4.hotmail.com, delivering mail from <blabla<_a.t_>mydomain.nl>
[17/Dec/2007 13:30:57][21491] {smtpc} Connected to mx4.hotmail.com
[17/Dec/2007 13:30:57][21491] {smtpc} Received greeting: 220 bay0-mc8-f22.bay0.hotmail.com Sending unsolicited commercial or bulk e-mail to Microsoft&apos;s computer network is prohibited. Other restrictions are found at http://privacy.msn.com/Anti-spam/. Violations will result in use of equipment located in California and other states. Mon, 17 Dec 2007 04:33:18 -0800
[17/Dec/2007 13:30:57][21491] {smtpc} Sending EHLO
[17/Dec/2007 13:30:57][21491] {smtpc} EHLO failed on server mx4.hotmail.com, sending HELO
[17/Dec/2007 13:30:57][21491] {smtpc} SMTP connection closed while reading SMTP reply
[17/Dec/2007 13:30:57][21491] {smtpc} Connecting to mx3.hotmail.com, delivering mail from <blabla<_a.t_>mydomain.nl>
[17/Dec/2007 13:30:58][21491] {smtpc} Connected to mx3.hotmail.com
[17/Dec/2007 13:30:58][21491] {smtpc} Received greeting: 220 bay0-mc5-f14.bay0.hotmail.com Sending unsolicited commercial or bulk e-mail to Microsoft&apos;s computer network is prohibited. Other restrictions are found at http://privacy.msn.com/Anti-spam/. Violations will result in use of equipment located in California and other states. Mon, 17 Dec 2007 04:33:18 -0800
[17/Dec/2007 13:30:58][21491] {smtpc} Sending EHLO
[17/Dec/2007 13:30:58][21491] {smtpc} EHLO failed on server mx3.hotmail.com, sending HELO
[17/Dec/2007 13:30:58][21491] {smtpc} SMTP connection closed while reading SMTP reply
[17/Dec/2007 13:30:58][21491] {smtpc} Connecting to mx2.hotmail.com, delivering mail from <blabla<_a.t_>mydomain.nl>
[17/Dec/2007 13:30:58][21491] {smtpc} Connected to mx2.hotmail.com
[17/Dec/2007 13:30:58][21491] {smtpc} Received greeting: 220 bay0-mc2-f7.bay0.hotmail.com Sending unsolicited commercial or bulk e-mail to Microsoft&apos;s computer network is prohibited. Other restrictions are found at http://privacy.msn.com/Anti-spam/. Violations will result in use of equipment located in California and other states. Mon, 17 Dec 2007 04:33:19 -0800
[17/Dec/2007 13:30:58][21491] {smtpc} Sending EHLO
[17/Dec/2007 13:30:58][21491] {smtpc} EHLO failed on server mx2.hotmail.com, sending HELO
[17/Dec/2007 13:30:58][21491] {smtpc} SMTP connection closed while reading SMTP reply

  •  
Pavel Dobry (Kerio)

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It seems Hotmail is rejecting HELO request with server hostname from your server. I guess your Internet Hostname in KMS configuration is invalid. Check KMS settings.
  •  
rinzwind

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You still need a reverse DNS record otherwise changes are your mail ends up in the hotmail bulk folder.
  •  
winkelman

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It's pretty straightforward:

The hostname as mentioned in Kerio Mailserver Adminstration Console --> Configuration --> Domains --> 'Internet hostname' needs to correspond to (one of) the PTR records of the IP address your mail server is using to talk to the Internet.

So hostname xxx and IP address y.y.y.y? Then doing a reverse DNS lookup of y.y.y.y should return xxx. (It may also return other hostnames, as long as xxx is at least also mentioned.)

This is a minimum requirement to get email delivered to a lot of mail servers out there.
  •  
krayz

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Well,

Somehow I fixed it... I dunno what the real problem was because me ISP made a PTR Record and I changed the hostname.

I geuss it was a combination of those?

Anyhow, the mail to hotmail is now being delevired in the junk folder. Is there a way to solve this?
  •  
freakinvibe

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This is difficult to say as Hotmail doesn't reveal their techniques for categorizing spam.

You can check, if you are on any blacklist: http://www.robtex.com/rbl/127.0.0.2.html

The recipient can also put your address on his whitelist.

Dexion AG - The Blackberry Specialists in Switzerland
https://dexionag.ch
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