On Sat, March 9, 2019 4:53 am, Bill Cole wrote:
> On 8 Mar 2019, at 7:33, li...@sbt.net.au wrote:
>> is that an OK idea ?
>
> That's how I always do it, and it works well. Make sure you reduce the
> TTL value of the A record to a short value for at least twice the normal
> TTL before doing the swi
On 8 Mar 2019, at 7:33, li...@sbt.net.au wrote:
I have Postfix/Dovecot/Mysql on Centos 7 with mail_version = 3.2.4
setup new server same hostname as old server with mail_version = 3.3.3
using same hostname as old server
the thought was to change A records to point mailserver hostname to
new
