Multiple A Records for IMAP service

[Eduardo Ramos]

I agree with Alex and Jiri.

Here I have the same scenario, DNS round-robin and 2 dovecot instances. 
It works well, but depends on the client implementation.

I think keepalived or corosync/pacemaker is a more elegant solution too. 
I can help you implement.

On 08/29/2014 08:34 AM, Jiri Bourek wrote:
> On 29.8.2014 13:00, Alex Crow wrote:
>> 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
>>
>
> AFAIK some clients - with Thunderbird among them - will try the other 
> IP address before reporting an error to the user.