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Björn Hansson

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Apr 24, 2003, 9:40:42 AM4/24/03
to
Hello!

We are planning a solution, to be able to send a daily newsletter. The
newsletter has about 40000 recipients today. I plan to use a dedicated serve=
r
for doing this. Do you have any suggestions on how I should do?

The recipients are today stored in a MySQL-database, but can of course e
exported to "anything".

Should I use special software, i.e. mailman? Some ofther software? Shall I p=
ut
these 40000 emails as a postfix alias?

I plan to use a P4 2.4GHz, dedicated to this job. I have a 10Mbit Internet
connection, not loaded. Someone have any clue of how long time this mailing
will take? Easy mail is about 30k.

All suggestions welcome!


Best regards,
Bj=F6rn

Ralf Hildebrandt

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Apr 24, 2003, 9:46:40 AM4/24/03
to
* Bj?rn Hansson <bhan...@netera.se>:

> We are planning a solution, to be able to send a daily newsletter. The

> newsletter has about 40000 recipients today. I plan to use a dedicated server


> for doing this. Do you have any suggestions on how I should do?

Use a MLM like mailman

> The recipients are today stored in a MySQL-database, but can of course e
> exported to "anything".
>

> Should I use special software, i.e. mailman? Some ofther software? Shall I put


> these 40000 emails as a postfix alias?

No.

> I plan to use a P4 2.4GHz, dedicated to this job. I have a 10Mbit Internet
> connection, not loaded. Someone have any clue of how long time this mailing
> will take? Easy mail is about 30k.

Multirecipient mail?

--
Ralf Hildebrandt Ralf.Hil...@charite.de
my current spamtrap partmap...@charite.de
http://www.arschkrebs.de/postfix/ Tel. +49 (0)30-450 570-155
Do daemons dream of electric sleep()?

Björn Hansson

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Apr 24, 2003, 9:53:30 AM4/24/03
to
Hello!

Thank you for a QUICK reply!

> Use a MLM like mailman

Ok, I have tried mailman before, anything special I should think about when =
I
configure mailman?

> Multirecipient mail?

Sorry, but what do you mean here?

Bj=F6rn

Ralf Hildebrandt

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Apr 24, 2003, 9:57:02 AM4/24/03
to
* Bj?rn Hansson <bhan...@netera.se>:

> > Use a MLM like mailman
>

> Ok, I have tried mailman before, anything special I should think about when I
> configure mailman?

No, the only thing would be to set the number of recipients to a high
value (1000 instead of the default 500)



> > Multirecipient mail?
>
> Sorry, but what do you mean here?

Do you send ONE MAIL to many recipients (fast!)
Or do you send ONE MAIL to exactly one recipient and then
another ONE MAIL to exactly one recipient ... etc.

"If you put a billion monkeys in front of a billion typewriters typing
at random, they would reproduce the entire collected works of Usenet in
about ... five minutes." -Anon.

Björn Hansson

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Apr 24, 2003, 10:00:12 AM4/24/03
to
> No, the only thing would be to set the number of recipients to a high
> value (1000 instead of the default 500)

Ok!

> Do you send ONE MAIL to many recipients (fast!)
> Or do you send ONE MAIL to exactly one recipient and then
> another ONE MAIL to exactly one recipient ... etc.

Ah, I should have realised that! I will send ONE mail to many recipients! An=
y
ideas about how long time this will take?


Bj=F6rn

Magnus Bäck

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Apr 24, 2003, 10:12:10 AM4/24/03
to
On Thu, Apr 24, 2003 at 03:40:28PM +0200,
Bj=F6rn Hansson <bhan...@netera.se> wrote:

> Should I use special software, i.e. mailman? Some ofther software?
> Shall I put these 40000 emails as a postfix alias?

Use some kind of list processing software, and make sure there is some
automatic method to remove bounced mail from the list. I've been happy
with petidomo.

As a recipient of newsletters et cetera, I prefer getting a personally
addressed mail rather than one addressed to a list address.

> I plan to use a P4 2.4GHz, dedicated to this job. I have a 10Mbit
> Internet connection, not loaded. Someone have any clue of how long
> time this mailing will take? Easy mail is about 30k.

Our 2xP3-800 box pushes about 10,000 2 kB messages per hour through a
70 kBps DSL connection and the destination concurrency throttled to 10
(otherwise stock configuration). If you send multi-recipient mail, a
dedicated box like the one described seems like overkill.

--=20
Magnus B=E4ck
mag...@dsek.lth.se

Victor....@morganstanley.com

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Apr 24, 2003, 10:12:53 AM4/24/03
to
On Thu, 24 Apr 2003, [iso-8859-1] Bj=F6rn Hansson wrote:

> Any ideas about how long time this will take?
>

5 days (or $maximal_queue_lifetime if modified) to give up on sending to
unreachable destinations.

--=20
Viktor.

Ralf Hildebrandt

unread,
Apr 24, 2003, 10:16:25 AM4/24/03
to
* Victor....@morganstanley.com <Victor....@morganstanley.com>:

> > Any ideas about how long time this will take?
> >
>
> 5 days (or $maximal_queue_lifetime if modified) to give up on sending to
> unreachable destinations.

Beautiful answer :)
Short from trying it's hard to tell.

Why you can't find your system administrators:
Is engaged in a staring contest with a pack of evil dogs

Ralf Hildebrandt

unread,
Apr 24, 2003, 10:17:12 AM4/24/03
to
* Bj?rn Hansson <bhan...@netera.se>:

> Ah, I should have realised that! I will send ONE mail to many

> recipients! Any ideas about how long time this will take?

40.000 * 30k = 1.200.000k

What about the recipients? Are they all in one domain? Or do you only
have one or two recipients per domain? Do you have lots of mail to
slow sites like hotmail or aol?

"We're thinking about upgrading from SunOS 4.1.1 to SunOS 3.5."
-- Henry Spencer

Marcel Hicking

unread,
Apr 24, 2003, 10:18:38 AM4/24/03
to
Check the Sympa Mailinglist manager.
Can grab adresses from MySQL, and much more.
40k mails shouldn't be a problem at all.
www.sypma.org

Cheers, Marcel

--On Thursday, April 24, 2003 15:40:28 +0200 Bj=F6rn =
Hansson=20
<bhan...@netera.se> wrote:

> Hello!


>
> We are planning a solution, to be able to send a daily
> newsletter. The newsletter has about 40000 recipients
> today. I plan to use a dedicated server for doing this.
> Do you have any suggestions on how I should do?
>

> The recipients are today stored in a MySQL-database, but
> can of course e exported to "anything".
>

> Should I use special software, i.e. mailman? Some ofther
> software? Shall I put these 40000 emails as a postfix
> alias?
>

> I plan to use a P4 2.4GHz, dedicated to this job. I have
> a 10Mbit Internet connection, not loaded. Someone have
> any clue of how long time this mailing will take? Easy
> mail is about 30k.
>

Ralf Hildebrandt

unread,
Apr 24, 2003, 10:19:14 AM4/24/03
to
* Ralf Hildebrandt <Ralf.Hil...@charite.de>:

> * Bj?rn Hansson <bhan...@netera.se>:
>
> > Ah, I should have realised that! I will send ONE mail to many
> > recipients! Any ideas about how long time this will take?
>
> 40.000 * 30k = 1.200.000k
>
> What about the recipients? Are they all in one domain? Or do you only
> have one or two recipients per domain? Do you have lots of mail to
> slow sites like hotmail or aol?

Aso read
http://sbserv.stahl.bau.tu-bs.de/~hildeb/postfix/bottleneck.shtml

Do not worry about your problems with mathematics, I assure you mine are
far greater. -- Albert Einstein

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