Re: DBmail with external SMTP server

Am 31.10.2014 um 10:44 schrieb Matt .:
> Yes we did, but as in performance and security I want to inform myself
> as good as I can.
>
> There are spamfilters in front, and also outgoing spamfilters are
> there. The only question is... is it a performance issue too to have
> Postfix locally ? Most services are seperated here per box.

no - LMTP is more or less the same as SMTP

so if you handle your incoming load with SMTP over WAN you handle also 
the LMTP load inside the LAN and you should *in general* limit the LMTP 
deliveries to only one at the same time in case of dbmail-lmtpd

> 2014-10-31 10:40 GMT+01:00 Thomas Raschbacher <[email protected]>:
>> Am 31.10.2014 um 10:37 schrieb Matt .:
>>> Hi guys,
>>>
>>> Is it possible to have Postfix on a seperate machine ? I'm not able to
>>> find out how to change the lmtp line for this at Postfix.
>>>
>>> Does anyone have examples or is it not ideal at all to have Postfix on
>>> seperate frontend machine ?
>>>
>>> Cheers,
>>>
>>> Matt
>>
>> Hi.
>>
>> I know we talked in IRC about this before, but one thing I just thought
>> of would be to run the outside facing postfix server (which might do
>> RBL,..) on a different machine and forward it to a postfix server with a
>> very simple config (no spam filter, RBL,.. since it only would receive
>> mails from the other server) on the dbmail machine to use lmtp? ^^
>>
>> otherwise i suggest you give an ssh tunnel and/or iptables a go ^^

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