Multiple A Records for IMAP service

[Alex Crow]

Hi Vijay,

No, this will not work properly. 50% of the time the client will still 
try to connect to the downed server.

You need something like keepalived or corosync/pacemaker.

Cheers

Alex

On 29/08/14 11:52, Vijay Rajah wrote:
> Hello All,
>
> I have a quick question.
>
> I have 2 MX servers each with a Dovecot Instances (2.2.6). These 2 
> Dovecot Instances are replicated by using Dsync... All works well.
>
> The questions is, Can I have 2 A records for my imap.mydomain.tld? The 
> Idea being, if for any reason, one of the Dovecot IMAP instances are 
> unreachable, the client can connect to the other Instance. (this is 
> purely a fail over scenario).
>
> If it matters, The clients are Thunderbird, Android Native (default) 
> Mail client, iOS Mail Client.
>
> -Thanks in advance
> Vijay
>

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