RE: MX records

  • From: "Kern, Tom" <tkern@xxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Tue, 14 Jun 2005 15:52:19 -0400

How 'bout other exchange servers in other routing groups in the Org. Do they 
just do dns lookups for A records NOT mx?
thanks a lot.

John Tolmachoff (Lists) wrote:
> http://www.MSExchange.org/
> 
> There is no valid reason for creating an MX record on an internal
> only zone. 
> You clients have no reason to find where to send to. E-mail clients
> are 
> configured with a SMTP and either POP3 or IMAP server if not an
> Exchange 
> client.
> 
> John T
> eServices For You
> 
> 
>> -----Original Message-----
>> From: Kern, Tom [mailto:tkern@xxxxxxxxxxx]
>> Sent: Tuesday, June 14, 2005 12:27 PM
>> To: [ExchangeList]
>> Subject: [exchangelist] MX records
>> 
>> http://www.MSExchange.org/
>> 
>> Hi, i have some viruses that are being sent from some internal
>> infected host to my exchange server. i think its using the mx record
>> in our internal dns to send it. Outside i have a
>> postfix/calmAV/Spamassassin box that filters everything coming in.
>> My question is- i want to delete the internal mx record for
>> exchange. AFAIK, exchange will use and A record to find other
>> exchange servers in an internal org. Will removing the mx record
>> affect anything with my exchange org?  
>> I have a public mx record set up already for internet email. this
>> points to postfix. 
>> 
>> thanks
>> 
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