At 00:09 3/13/2005, Kroll, David wrote:
This is a Win2003 DNS issue.
Some mailservers behind firewalls which do not allow transfer of UDP packets
larger than 512 bytes may not be able to return the MX record
If your firewall restricts UDP packet transfers though, you may want to
verify that it
If that's the right issue a simple search for
hotmail.com file in your /mailroot/dnscache/mx/ dir
should reveal the truth
mine contains the following:
3600
5:mx1.hotmail.com.,5:mx2.hotmail.com.,5:mx3.hotmail.com.,5:mx4.hotmail.com.
Dario
-Messaggio originale-
Da: [EMAIL PROTECTED]
That should be in RFC 2671...
Dario
-Messaggio originale-
Da: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Per
conto di Tracy
Inviato: domenica 13 marzo 2005 14.43
A: xmail@xmailserver.org
Oggetto: [xmail] Re: Problems with hotmail.com
At 00:09 3/13/2005, Kroll, David wrote:
This is a
I had been seeing the same reports since I upgraded to win2003 on several
customers systems and SPF extended records became more commonplace. This
solved things for me.
http://support.microsoft.com/default.aspx?scid=kb;en-us;828263
http://www.faqs.org/rfcs/rfc1035.html
According to RFC 2821,
With Extension Mechanisms for DNS (EDNS0) as defined in RFC 2671, Extension
Mechanisms for DNS (EDNS0), DNS requestors can advertise UDP packet size
and transfer packets larger than 512 bytes. By default, some firewalls have
security features turned on that block UDP packets that are larger than
According to my reading of RFC2671,those are optional extensions and do not
override the original specification in RFC1035. While it is certainly
possible for a client to support them (and perhaps even an expected
behavior in today's Internet), I don't see anything there that indicates
that
