RE: MX records

  • From: "John Tolmachoff \(Lists\)" <johnlist@xxxxxxxxxxxxxxxxxxx>
  • To: "'[ExchangeList]'" <exchangelist@xxxxxxxxxxxxx>
  • Date: Tue, 14 Jun 2005 12:42:26 -0700

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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