online conversion using replication?

[Adi Pircalabu]

On 9/4/18 4:49 AM, B. Reino wrote:
> On Mon, 3 Sep 2018, Sami Ketola wrote:
> 
>>> On 3 Sep 2018, at 4.18, Daniel Miller 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..)
> 
> Thanks.

See postfix always_bcc[1] parameter, as well as sender_bcc_maps and 
recipient_bcc_maps for fine grained adjustments.

[1] http://www.postfix.org/postconf.5.html

-- 
Adi Pircalabu