[Dovecot] realtime backup with LDA?

[Steffen Kaiser]

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On Mon, 24 Feb 2014, Charles Marcus wrote:

> Date: Mon, 24 Feb 2014 09:44:15 -0500
> From: Charles Marcus <CMarcus at Media-Brokers.com>
> Reply-To: Dovecot Mailing List <dovecot at dovecot.org>
> To: dovecot at dovecot.org
> Subject: Re: [Dovecot] realtime backup with LDA?
> 
> On 2/24/2014 9:25 AM, Steffen Kaiser <skdovecot at smail.inf.fh-brs.de> wrote:
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>> On Mon, 24 Feb 2014, Charles Marcus wrote:
>> 
>>> On 2/24/2014 3:58 AM, Steffen Kaiser <skdovecot at smail.inf.fh-brs.de> 
>>> wrote:
>>>> I would add a BCC recipient in the MTA. It's more save in such situation. 
>>>> See the thread about qmail and multiple recipients for one mail address. 
>>> 
>>> The only downside to this is all of the original headers are *not* 
>>> preserved in the BCC copy.
>> 
>> Er, I don't know what you mean with "all of the original headers". There 
>> are no headers of the delivery process to user, that's right. Everything 
>> else should be untouchted. Or in other words, the backup copy does not 
>> "backup" the delivery process.
>
> As Stan so graciously pointed out, I was talking about the specific MTA that 
> I use - postfix - and I based my comment on the fact that everyone on the 
> postfix list, including Wietse, stated that using the BCC method does *not* 
> preserve all of the original message headers (identically to the non BCC'd 
> copy).
>
> Are you saying Wietse was incorrect?

What changes are made by default, that are not implemented by the MTA 
admin? And yes, if I have two recipients of one message, I expect the 
headers stay untouched. If we enter the discussion "shall the MTA remove 
the "for XYZ" from Received headers", if one add a recipient, I back out. 
:-)

- -- 
Steffen Kaiser
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