online conversion using replication?

[Sami Ketola]

> On 3 Sep 2018, at 21.49, B. Reino <reinob at bbmk.org> wrote:
> 
> On Mon, 3 Sep 2018, Sami Ketola wrote:
> 
>>> On 3 Sep 2018, at 4.18, Daniel Miller <dmiller at amfes.com> wrote:
>>> 
>>> That works for a one-time migration, or perhaps via a cron-job, but what I want is basically a constant one-way backup and it seems replication could do it more elegantly & efficiently.
>>> 
>> 
>> So you want real-time archiving? What we have done with couple of customers is that we just configure MTA to replicate all incoming mails to secondary site.
> 
> Would you mind showing how you're doing it?
> (hopefully with postfix, otherwise it may not be so interesting to me..)
> 

Those customers were not using Postfix but I believe that with http://www.postfix.org/postconf.5.html#recipient_bcc_maps <http://www.postfix.org/postconf.5.html#recipient_bcc_maps> similar behaviour can be achieved with Postfix. 

Sami


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