Matt Ruzicka wrote:
>
>The question I have is, how long does that list of addresses need to stay
>in the system after mailman receives the message to post and it starts
>sending?

By the time Mailman begins delivery to the MTA, Handlers/CalcRecips.py
has already built the recipient list.

>Looking in my logs I see that batches of messages are taking some time to
>be sent, but has mailman already decided who all it is going to send to as
>soon as it receives the post or does it run through the list of addresses
>in its database as it is sending out batches of messages?

It has completely decided who to send to not immediately, but before it
begins sending.

>If this is more of an MTA issue, we are using Postfix as the MTA, but does
>Mailman send the full list of addresses to Postfix for it to decide how to
>batch them?


Mailman creates chunks (assuming we're not verping) no bigger than
SMTP_MAX_RCPTS (default 500) for delivery to Postfix, and postfix does
its own batching with those, but the whole list is built by Mailman
before it creates the first chunk.


>If Mailman decides right away, either deciding on batching itself or
>handing it to Postfix for batching I would think he could remove the list
>of addresses soon after the message is sent (or at least as soon as he has
>verified messages have started sending).  If it reads live I realize the
>answer will be "it can be removed when it is done", which is fine, I just
>want to know which we are dealing with.


It's the former. There are other issues around bounce processing, but I
gather this may not be a concern.

--
Mark Sapiro <[EMAIL PROTECTED]>       The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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