[Dovecot] recipient delimiter and lmtp

[Steffen Kaiser]

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On Tue, 2 Jun 2009, Charles Marcus wrote:

>> To insert a '.' anyplace into the recipient name, you have to do
>> something on MTA level. E.g. with sendmail you could map:
>>
>> 'lo.calRecpient' to 'localRecipient+lo.calRecpient'
>
> But that's not what I want. I want:
>
> lo.calRecipient at example.com = localRecipient at example.com
>
> for both recipient validation *and* Delivery purposes, *but*...
>
> obviously the LDA (in addition to postfix) would have to understand that
> they are the same, and Sieve would as well, in order to be able to
> filter/file into a folder based on a matching rule *if* one exists - or
> just Deliver to the Inbox for localRecipient at example.com if one doesn't.

Therefore my suggestions to map "us.er" to "user+us.er". This is done with 
envelope information during SMTP not in headers, hence, should not effect 
delivery phase. After mapping, postfix delivers to "user" (local 
recipient), you configure Postfix to call Dovecot deliver with "-d user -m 
detail -n". "-m detail" is the default mailbox, "-n" does not create a 
missing mailbox.

Bye,

- -- 
Steffen Kaiser
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