postfix multi recipient

[Pete Russell]

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Drew Marshall wrote:
> Peter Russell said:
> 
>>smtpd_recipient_limit = 1
>>
>>Makes every inbound connection stop and deliver a multi recipient
>>message individually, making for heaps of extra work for postfix, which
>>is kinda crappy.
> 
> 
> And indeed the sending MTA having to wait for each message to be accepted.

Another issue - arggh. Seems that Postfix actually has this 
functionality built it, eg the recipient_limit but that it cannot be 
used immedietly after delivery?

Wouldnt it possible for a smarter cookie to hack the postfix code to 
perform this function after delivery instead of at the smtp recpt ?

Other folks have mentioned using a content filter. So recieve the 
message send it to PIPE, split the mesage and whack it back in the HOLD 
queue? I dont even know where to start for the content filter bit, but 
the postfix end of this should be fairly simple.

Any further ideas on this?

> 
>>So since postfix can seperate the email inbound and seperate it outbound
>>with default_recipient_limit, if we use a 2 postfix instance on the same
>>machine, the 1st external facing to recieve all inbound email, from here
>>it could split the messages before sending to the 2nd postfix instance
>>and then confgiure MailScanner to use the 2nd postfix instance?
>>Performance not really being a big issue with both POstfix running on
>>the same machine?
> 
> 
> Postfix is pretty small and quite efficient so you won't notice the load
> running 2 instances. However you will notice the IO chopping up the
> messages (Whether that is any more with Postfix than any other MTA, I
> don't know). As for MailScanner, well that will be quite hapy picking up
> from the hold queue of the second instance with out issue.
> 
>>A little messy, not sure if it is worth it, might be time to learn
>>another MTA?
> 

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