Re: Can we load balance traf[f]ic for CNAME records?

2012-12-14 Thread Manish Rane
Ok - let me rephrase the question. I guess Charles got it right. I understand that Mail Delivery load balance can be achieved by usingMX priorities. My concern is not that, rather I am more worries about users who will be using A record to configure their mail clients like IMAP or POP. I am

Re: Can we load balance traf[f]ic for CNAME records?

2012-12-14 Thread Feng He
于 2012-12-14 17:14, Manish Rane 写道: I understand that Mail Delivery load balance can be achieved by usingMX priorities. My concern is not that, rather I am more worries about users who will be using A record to configure their mail clients like IMAP or POP. I am thinking on load balancing their

Re: Can we load balance traf[f]ic for CNAME records?

2012-12-14 Thread Manish Rane
Perfect this is what I was talking about, now My IMAP and SMTP are on same server and confusion starts from there since MX records will eventaully should have A record as well so in that case I will be having 2 A records pointing to same IPs correct. Woudl that casue any issue, theortically it

Re: Can we load balance traf[f]ic for CNAME records?

2012-12-14 Thread SM
At 01:14 14-12-2012, Manish Rane wrote: I understand that Mail Delivery load balance can be achieved by usingMX priorities. My concern is not that, rather I am more worries about users who will be using A record to configure their mail clients like IMAP or POP. I am thinking on load balancing

Re: Can we load balance traf[f]ic for CNAME records?

2012-12-14 Thread Barry Margolin
In article mailman.885.1355477939.11945.bind-us...@lists.isc.org, SM s...@resistor.net wrote: See RFC 6186. Verify whether the mail clients support that specification. Are there any mail clients that support this yet? -- Barry Margolin Arlington, MA

Re: Can we load balance traf[f]ic for CNAME records?

2012-12-14 Thread Barry Margolin
[mailto:bar...@alum.mit.edu] Sent: Friday, December 14, 2012 10:49 AM To: comp-protocols-dns-b...@isc.org comp-protocols-dns-b...@isc.org Subject: Re: Can we load balance traf[f]ic for CNAME records? In article mailman.885.1355477939.11945.bind-us...@lists.isc.org, SM s...@resistor.net wrote

Re: Can we load balance traf[f]ic for CNAME records?

2012-12-14 Thread WBrown
Manis Rane wrote on 12/14/2012 02:12:59 PM: That is true by default rrset-order is cyclic I believe. And even if it replies randomly I guess we will have to NAT the traffic on firewall for particular IPs Your original post made me believe you are running Windows CAS servers. Why not use