[Mailman-Users] Batch processing a mailing list...

Brian Carpenter brian at emwd.com
Fri Oct 26 01:54:26 CEST 2007

Hi Jurgen:

What is most likely happening is your host is limiting your hosting account
to only being able to send out 250 e-mails per hour. This is a very common
practice among web hosts. If this becomes a problem, then you can move your
list(s) to our mailman service. We do not impose such limitations on our
mailman clients.


Kind regards,
Brian Carpenter
EMWD -  Executive Officer

-----Original Message-----
From: mailman-users-bounces+brian=emwd.com at python.org
[mailto:mailman-users-bounces+brian=emwd.com at python.org] On Behalf Of Mark
Sent: Thursday, October 25, 2007 7:23 PM
To: Jurgen Gaeremyn; mailman-users at python.org
Subject: Re: [Mailman-Users] Batch processing a mailing list...

Jurgen Gaeremyn wrote:
>So, here's my question: I want to transfer a mailinglist to my new host
>(Webhosting UK).
>My list counts 750 members, but I'm recommended to (as they mailed me)
>split the mail transfer up into batches of maximum 250 members at once,
>with a 1 hour delay.
>I'm not really in the clear how I should do this... could you guys help
>me out?

Mailman doesn't do this.

You can set SMTP_MAX_RCPTS = 250 in mm_cfg.py to make sure that no
single SMTP transaction sends to more than 250 recipients, but Mailman
will still send to all 750 members with as little delay as possible.

It would be possible to modify Mailman/Handlers/SMTPDirect.py to keep
track and not send to more than 250 recipients per hour, but that
might result in large backlogs.

Anyway, would this be your Mailman installation or the host's? If it's
the host's, there's nothing you can do and what they seem to be
telling you is they won't support lists with more than 250 members or
more than 250 (posts X members) per hour.

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

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