Le 14/03/2012 03:53, [email protected] a écrit :
> On Mar 13, 2012, at 17.01, mouss wrote:
>
>> Le 13/03/2012 19:07, [email protected] a écrit :
>>> i've been experimenting with delivery for the virtual domain class to
>>> dovecot via lmtp - e.g.
>>>
>>>> postconf virtual_transport
>>> virtual_transport = lmtp:[localhost]:lmtp-deliver
>>>
>>> this works fine.
>>>
>>> out of curiosity, i wondered if the particulars could be somehow moved into
>>> a service definition in master.cf - e.g.
>>>
>>> virtual_transport = dovecot
>>
>> yes, you can define a transport in master.cf and use it in main.cf. so
>> you can define
>>
>> joerunsfast ... smtp
>> -o var=val
>> ...
>>
>> and use that in main.cf:
>>
>> foo_transport = joerunsfast
>>
>> you can even define parameters for that transport:
>>
>>
>> joerunsfast_variable = value
>>
>> in your main.cf, as far as "variable" applies to a transport (transports
>> inherit from: smtp, lmtp, pipe, ... )
>>
>>
>> $ cat master.cf
>> ...
>> # Dovecot LDA
>> dovecot unix - n n - - pipe
>> flags=DRhu user=_mailbox
>> argv=/usr/local/libexec/dovecot/deliver
>> -d ${user}@${domain} -n -m ${extension}
>> ...
>>
>> $ grep dovecot main.cf
>> virtual_transport = dovecot
>> dovecot_destination_recipient_limit = 1
>> deliver_command = /usr/local/libexec/dovecot/deliver
>> …
>
> yes, this part i think i understand - the difficulty i'm having is with
> determining which parameters i can pass to lmtp to accomplish this. i'm
> effectively looking for what i would consider the equivalent to
> virtual_transport=lmtp:[localhost]:lmtp-deliver - but reading through the
> smtp/lmtp and others man pages and experimenting a bit, i've not been able to
> figure out what parameter might provide for this.
>
>>>
>>> and then somehow in master.cf a parameter to the lmtp service named
>>> dovecot, specifying [localhost]:lmtp-deliver
>>
>>
>> not that way:) it's transport:[nexthop], not [nexthop]:transport...
>> man smtp, lmtp, pipe, …
>
> sorry, i probably should have been more literal here, given the context.
> [localhost] is the nexthop, and lmtp-deliver is the port [10026 in this case,
> by way of the system's services database]. i omitted the leading transport
> here [lmtp] in an attempt to illustrate that the data would be a parameter
> passed to lmtp.
>
>>>
>>> so far, given the various portions of the documentation i've referenced and
>>> the iterations i've tried, the answer appears to be no, but i wondered if i
>>> might be missing something.
>>>
>>
>> I won't debate this now, but it seems to me that all this is documented.
>> anyway, postfix supports custom transports, and they are used in many
>> places. examples:
>>
>> - spam filtering: things like:
>> amavis ..... smtp
>> -o blah=blah
>> ...
>>
>>
>> - delivery: things like
>> dovecot ... pipe
>> -o blah=blah
>
> therein lies my fundamental question, i guess. having read the documentation
> for lmtp(8), transport(5), master(5) and probably a few others i'm forgetting
> - if i'm being blind to the relevant lmtp parameters, i'm hopeful i might
> glean some enlightenment, or if not, just a confirmation that this particular
> exercise isn't possible.
as per
http://www.postfix.org/lmtp.8.html
you can specify lmtp_port (default is 24). so you could do
-o lmtp_port=10026
now, you'd better explain what real problem you are trying to solve.
describe it in in the "problem domain", not in the "solution domain"
(ideally, describe it in a postfix independent manner).
