Mailing List CGatePro@mail.stalker.com Message #100559
From: Massimo Bolzoni <massimo.bolzoni@answervad.it>
Subject: Re: HELO failure
Date: Thu, 26 Aug 2010 16:57:02 +0200
To: "CommuniGate Pro Discussions" <CGatePro@mail.stalker.com>
X-Mailer: Apple Mail (2.936)
 Message Header

Undecoded Message
Ciao,

yes this is the right solution, it is easyer and make definitelly sense.... at least for me :)

Also, the suggestion I use to give is to use a main domain name that is not going to host any account but postmaster, and use "working domains" as additional ones. This allow much more flexibility in operation.

Actually there is no problem at all to use directly the MDN as working domain, so no reason to change the setup, but generally speaking for new set up this is the long term solution with less problem... think about you company or institution define to change the domain name .... 

Ciao

Massimo

Il giorno 26/ago/10, alle ore 07:40, Urs Gruetzner ha scritto:

(sorry wrong subject in previous mail)
Thanks for explanations 

Instead to change the FQDN for the mail server to mail.ems.ch, could it be the easiest solution to change the DNS entry for 212.74.146.1 to ems.ch than mail.ems.ch instead?

Also the MX entry should be ems.ch instead of mail.ems.ch ?



Reason: the forward lookup for ems.ch points already to the correct IP, so there is no need that the reverese lookup is mail.ems.ch. Also when sending a mail from outside to xy@ems.ch the lookup of MX of ems.ch has the correct IP as result. There is no need to use mail.ems.ch.

Thanks for further help


From: Lyle Giese <lyle@lcrcomputer.net>
Subject: Re: HELO failure
Date: Wed, 25 Aug 2010 16:08:57 -0500
To: CommuniGate Pro Discussions <CGatePro@mail.stalker.com>


your MX record for ems.ch is mail.ems.ch.  

The A record for mail.ems.ch is 212.74.146.1.

And the reverse lookup for 212.74.146.1 is mail.ems.ch.

The HELO from your server is ems.ch, not mail.ems.ch.  ems.ch is your domain.  The host name or FQDN(Fully Qualified Domain Name) for your mail server should be mail.ems.ch.

Ideally in today's world these four items should be identical, but in your case they are not.  However to change the HELO greeting in CommuniGate, you need a different license key as that parameter is linked to the HELO greeting.  And that becomes the primary domain in your mail server(postmaster(used for logging in to the webadmin) and blacklist-admin are linked to the primary domain).

That is one thing I find a fault with in Stalker's recommendations.  The license key/primary domain should be mail.yourdomain.com, not yourdomain.com  That also requires the end users to use their full email address for their login.  That however is a good thing as it makes brute force password attacks harder.  Most of the script kiddies do not use the full email address for their password attacks.

Lyle Giese
LCR Computer Services, Inc.

Gruetzner Urs wrote:
Suddenly we have a problem with the HELO identification (so far only with one recipient server sbb.ch) 

can anyone explain why our host ems.ch is not a fully-qualified hostname?


Urs


Massimo Bolzoni - Solution Architect
ANSWER SRL
CommuniGate System Inc. - CommuniGatePro - www.communigate.com
MailSpect Inc. - MPP - www.mailspect.com
Sede Legale e Operativa: Via M.K. Gandhi 22 - 42100 - Reggio Emilia (RE)
Tel: +39 0522 286545
Fax: +39 0522 286233
Cel: +39 335 5278936
--------------------------------------------------------------------
Le informazioni contenute nella presente comunicazione e i relativi
allegati possono essere riservate e sono, comunque, rivolte esclusi-
vamente al destinatario. La diffusione, distribuzione e/o copie del
documento trasmesso o degli allegati da parte di qualsiasi soggetto
diverso dal destinatario e'perseguibile ai sensi dell'articolo 616
Codice Penale e del Decreto Legislativo n. 196/2003.
Se avete ricevuto questo messaggio per errore, Vi preghiamo di re-
inviarlo al mittente e distruggerlo.
Per informazioni potete contattare l'indirizzo privacy@answervad.it
***
This message and its attachments are addressed solely to the persons
above and may contain confidential information. If you have received
the message in error, be informed that any use of the content hereof
is prohibited and it is punished by law. Please return it immediately
to the sender and delete the message. Should you have any questions,
please contact us at privacy@answervad.it
--------------------------------------------------------------------








Subscribe (FEED) Subscribe (DIGEST) Subscribe (INDEX) Unsubscribe Mail to Listmaster