[Mailman-Users] Mail Sending Question.

[Matt Ruzicka]

Great, thank you for the answer to this.

Matthew Ruzicka - Systems Administrator
Front Range Internet, Inc.
matt at frii.net - (970) 212-0728

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On Fri, 15 Apr 2005, Mark Sapiro wrote:

> 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 <msapiro at value.net>       The highway is for gamblers,
> San Francisco Bay Area, California    better use your sense - B. Dylan
>
>