Re: [Mailman-Users] help with new server.

[Brad Knowles]

At 3:55 PM -0400 2006-08-07, Lopez, Carlos Andres wrote:

>  Does anyone know a good site where I can find some good how-to's setup
>  postfix and mailman?

We've worked pretty hard on the documentation and the FAQ.  Is there 
something specific you're looking for that is not covered there?

-- 
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"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."

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 Assembly to the Governor, November 11, 1755

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[Mailman-Users] Deleting several entire archives

[Jason LaMar]

I've read the "How can I remove a post from the list archive / remove an
entire archive?" entry in the FAQ, but I was wondering if there were any
shortcuts to make the process less tedious -- especially with a dozen or so
list archives that I want to just wipe out and start from scratch
(rebuilding their public Web archives so that they're blank).

Is it possible to do a cp /dev/null against the mbox raw archive files? Or
am I just making this more difficult than it needs to be, and there are a
couple of quick steps to accommodate mass archive wiping?

Also, nobody is actually checking any of these archives right now (or using
any of the lists, for that matter), so is it necessary to turn off archiving
and switch archives from public to private to enable this? Or are those just
"courtesy" tasks for mailing users?



Thanks,

Jason

_

Jason LaMar
Director of Information Services
Ohio Wesleyan University | Delaware, OH 43015
AIM/Yahoo IM: jasonrlamar | MSN/Google Talk: [EMAIL PROTECTED]
Tel: 740-368-3131 | Fax: 740-368-3272 | Web: http://www.owu.edu/


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[Mailman-Users] error: unknow user

[Jonis Maurin Ceara]

Hi list.


I'm trying to configure mailman but i'm getting this 'little' error:

Aug  8 10:34:36 toyota postfix/virtual[12523]: 14605E7B08: 
to=<|/usr/local/mailman/mail/mailman subscribe 
[EMAIL PROTECTED]>,orig_to=<[EMAIL PROTECTED]>, 
relay=virtual, delay=9, status=bounced (unknown 
user:"|/usr/local/mailman/mail/mailman subscribe [EMAIL PROTECTED]")



On 'aliases' file, i have these lines:
# STANZA START: teste
# CREATED: Tue Aug  8 10:34:53 2006
teste: "|/usr/local/mailman/mail/mailman post teste"
teste-admin:   "|/usr/local/mailman/mail/mailman admin teste"
teste-bounces: "|/usr/local/mailman/mail/mailman bounces teste"
teste-confirm: "|/usr/local/mailman/mail/mailman confirm teste"
teste-join:"|/usr/local/mailman/mail/mailman join teste"
teste-leave:   "|/usr/local/mailman/mail/mailman leave teste"
teste-owner:   "|/usr/local/mailman/mail/mailman owner teste"
teste-request: "|/usr/local/mailman/mail/mailman request teste"
teste-subscribe:   "|/usr/local/mailman/mail/mailman subscribe teste"
teste-unsubscribe: "|/usr/local/mailman/mail/mailman unsubscribe teste"


what i'm doing wrong?
Everything else is working fine.

Thanks!
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[Mailman-Users] error: unknow user

[Jonis Maurin Ceara]

Hi.
I'm trying to make my mailman works, but i got this error on mail.log:
Aug  8 10:24:19 toyota postfix/virtual[12190]: 8629FE7B03: 
to=<|/usr/local/mailman/mail/mailman subscribe 
[EMAIL PROTECTED]>,orig_to=<[EMAIL PROTECTED]>, 
relay=virtual, delay=3, status=bounced (unknown 
user:"|/usr/local/mailman/mail/mailman subscribe [EMAIL PROTECTED]")

What's wrong?
I have these lines on 'aliases' file:
# STANZA START: teste
# CREATED: Tue Aug  8 10:22:59 2006
teste: "|/usr/local/mailman/mail/mailman post teste"
teste-admin:   "|/usr/local/mailman/mail/mailman admin teste"
teste-bounces: "|/usr/local/mailman/mail/mailman bounces teste"
teste-confirm: "|/usr/local/mailman/mail/mailman confirm teste"
teste-join:"|/usr/local/mailman/mail/mailman join teste"
teste-leave:   "|/usr/local/mailman/mail/mailman leave teste"
teste-owner:   "|/usr/local/mailman/mail/mailman owner teste"
teste-request: "|/usr/local/mailman/mail/mailman request teste"
teste-subscribe:   "|/usr/local/mailman/mail/mailman subscribe teste"
teste-unsubscribe: "|/usr/local/mailman/mail/mailman unsubscribe teste"


Thanks!

-- 


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Re: [Mailman-Users] error: unknow user

[Mike Avery]

Jonis Maurin Ceara wrote:
> Hi list.
>
>
> I'm trying to configure mailman but i'm getting this 'little' error:
>
> Aug  8 10:34:36 toyota postfix/virtual[12523]: 14605E7B08: 
> to=<|/usr/local/mailman/mail/mailman subscribe 
> [EMAIL PROTECTED]>,orig_to=<[EMAIL PROTECTED]>, 
> relay=virtual, delay=9, status=bounced (unknown 
> user:"|/usr/local/mailman/mail/mailman subscribe [EMAIL PROTECTED]")
>
>
>
> On 'aliases' file, i have these lines:
> # STANZA START: teste
> # CREATED: Tue Aug  8 10:34:53 2006
> teste: "|/usr/local/mailman/mail/mailman post teste"
> teste-admin:   "|/usr/local/mailman/mail/mailman admin teste"
> teste-bounces: "|/usr/local/mailman/mail/mailman bounces teste"
> teste-confirm: "|/usr/local/mailman/mail/mailman confirm teste"
> teste-join:"|/usr/local/mailman/mail/mailman join teste"
> teste-leave:   "|/usr/local/mailman/mail/mailman leave teste"
> teste-owner:   "|/usr/local/mailman/mail/mailman owner teste"
> teste-request: "|/usr/local/mailman/mail/mailman request teste"
> teste-subscribe:   "|/usr/local/mailman/mail/mailman subscribe teste"
> teste-unsubscribe: "|/usr/local/mailman/mail/mailman unsubscribe teste"
>
>
> what i'm doing wrong?
> Everything else is working fine.
>   
Did you run newaliases?

Mike


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Re: [Mailman-Users] error: unknow user

[Jonis Maurin Ceara]

Mike Avery escreveu:
> Jonis Maurin Ceara wrote:
>> Hi list.
>>
>>
>> I'm trying to configure mailman but i'm getting this 'little' error:
>>
>> Aug  8 10:34:36 toyota postfix/virtual[12523]: 14605E7B08: 
>> to=<|/usr/local/mailman/mail/mailman subscribe 
>> [EMAIL PROTECTED]>,orig_to=<[EMAIL PROTECTED]>, 
>> relay=virtual, delay=9, status=bounced (unknown 
>> user:"|/usr/local/mailman/mail/mailman subscribe 
>> [EMAIL PROTECTED]")
>>
>>
>>
>> On 'aliases' file, i have these lines:
>> # STANZA START: teste
>> # CREATED: Tue Aug  8 10:34:53 2006
>> teste: "|/usr/local/mailman/mail/mailman post teste"
>> teste-admin:   "|/usr/local/mailman/mail/mailman admin teste"
>> teste-bounces: "|/usr/local/mailman/mail/mailman bounces teste"
>> teste-confirm: "|/usr/local/mailman/mail/mailman confirm teste"
>> teste-join:"|/usr/local/mailman/mail/mailman join teste"
>> teste-leave:   "|/usr/local/mailman/mail/mailman leave teste"
>> teste-owner:   "|/usr/local/mailman/mail/mailman owner teste"
>> teste-request: "|/usr/local/mailman/mail/mailman request teste"
>> teste-subscribe:   "|/usr/local/mailman/mail/mailman subscribe teste"
>> teste-unsubscribe: "|/usr/local/mailman/mail/mailman unsubscribe teste"
>>
>>
>> what i'm doing wrong?
>> Everything else is working fine.
>>   
> Did you run newaliases?
>
> Mike
>
>
>


Yes. Problem still :(

I have no idea what's wrong now.

I'm using courier as pop and postfix.

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Re: [Mailman-Users] error: unknow user

[Patrick Bogen]

On 8/8/06, Jonis Maurin Ceara <[EMAIL PROTECTED]> wrote:
> Mike Avery escreveu:
> > Did you run newaliases?
> Yes. Problem still :(
>
> I have no idea what's wrong now.
>
> I'm using courier as pop and postfix.

Courier doesn't figure into this. Are you absolutely double-plus sure
that postfix is configured to obey the /etc/aliases file? (Your
main.cf should have two lines in it:
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
Note that extra entries may appear along with each of these lines,
which is fine, as long as /etc/alises is there.)

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Re: [Mailman-Users] error: unknow user

[Jonis Maurin Ceará]

Patrick Bogen escreveu:
> On 8/8/06, Jonis Maurin Ceara <[EMAIL PROTECTED]> wrote:
>> Mike Avery escreveu:
>> > Did you run newaliases?
>> Yes. Problem still :(
>>
>> I have no idea what's wrong now.
>>
>> I'm using courier as pop and postfix.
>
> Courier doesn't figure into this. Are you absolutely double-plus sure
> that postfix is configured to obey the /etc/aliases file? (Your
> main.cf should have two lines in it:
> alias_maps = hash:/etc/aliases
> alias_database = hash:/etc/aliases
> Note that extra entries may appear along with each of these lines,
> which is fine, as long as /etc/alises is there.)
>
Almost done ;)

I've re-read manual (yeah, it's my mistake :(  ) and i've created 
"/usr/local/mailman/data/virtual-mailman" file and added this line to my 
mm_cfg.py "POSTFIX_STYLE_VIRTUAL_DOMAINS = ['mouralacerda.edu.br']"

now i got another error:
Aug  8 13:05:11 toyota postfix/virtual[14793]: 4B164E7AF4: 
to=<[EMAIL PROTECTED]>, relay=virtual, delay=5, 
status=bounced (unknown user: "[EMAIL PROTECTED]")

i've alread run  "bin/genaliases" and 'newaliases' commands.

 
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[Mailman-Users] Content Filtering

[Jim Popovitch]

I've got a busy list that every now and then distributes a posted email
where the body is everything up until the first single quote character.
For example a recent email came in at 2 paragraphs, but 

   Your email was very helpful- I really do have some 
   alternatives to some of the circumstances that I find 
   oppressive-to the extent I don


Any ideas on what could cause that?

I've got convert_html_to_plaintext = Yes
collapse_alternatives = Yes
filter_mime_types = "images"
filter_filename_extensions = "exe bat cmd com pif scr vbs cpl zip"

-Jim P.


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[Mailman-Users] Trouble moving mailings lists to replacement system

[Richard Crane]

I have almost successfully moved a set of lists to a new computer.   
Both are running OS X server, the older Mailman 2.1.6, the new  
2.1.8   All I need to do is make the lists advertised on the listinfo  
page, even though they are on the old system.  If I directly enter  
the URL of a list for either regular or admin, I can get to it and  
all the information appears to be clear.

Any suggestions on how to get the lists appear on the summary page?

Thanks,



Richard Crane
---
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300 George Street/New Haven, CT 06511

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Re: [Mailman-Users] Trouble moving mailings lists to replacement system

[Dragon]

Richard Crane sent the message below at 11:37 8/8/2006:
>I have almost successfully moved a set of lists to a new computer.
>Both are running OS X server, the older Mailman 2.1.6, the new
>2.1.8   All I need to do is make the lists advertised on the listinfo
>page, even though they are on the old system.  If I directly enter
>the URL of a list for either regular or admin, I can get to it and
>all the information appears to be clear.
>
>Any suggestions on how to get the lists appear on the summary page?
 End original message. -

If these lists were shown on the old server they should be shown on 
the new one if you copied the list config.pck files over.

To set display of these lists, you need to go to the list admin page, 
select Privacy options, then on the Subscription rules page set 
advertised = Yes.



Dragon

~~~
  Venimus, Saltavimus, Bibimus (et naribus canium capti sumus)
~~~

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Re: [Mailman-Users] Trouble moving mailings lists to replacement system

[Richard Crane]

On Aug 8, 2006, at 3:09 PM, Dragon wrote:

> Richard Crane sent the message below at 11:37 8/8/2006:
>> I have almost successfully moved a set of lists to a new computer.
>> Both are running OS X server, the older Mailman 2.1.6, the new
>> 2.1.8   All I need to do is make the lists advertised on the listinfo
>> page, even though they are on the old system.  If I directly enter
>> the URL of a list for either regular or admin, I can get to it and
>> all the information appears to be clear.
>>
>> Any suggestions on how to get the lists appear on the summary page?
>  End original message. -
>
> If these lists were shown on the old server they should be shown on  
> the new one if you copied the list config.pck files over.
>
> To set display of these lists, you need to go to the list admin  
> page, select Privacy options, then on the Subscription rules page  
> set advertised = Yes.

I did copy the lists/ directories.  Running bin/dumpdb on a new list  
shows this properly set:

[- start pickle file -]
<- start object 1 ->

 'acceptable_aliases': '\n',
 'admin_immed_notify': True,
 'admin_member_chunksize': 30,
 'admin_notify_mchanges': False,
 'admin_responses': {},
 'administrivia': True,
 'advertised': 1,
 'anonymous_list': False,
 'archive': True,
 'archive_private': 0,
 'archive_volume_frequency': 1,
[  ]

Richard Crane
-
Albert Einstein, when asked to describe radio, replied:
"You see, wire telegraph is a kind of a very, very long cat. You pull  
his tail in New York and his head is meowing in Los Angeles. Do you  
understand this? And radio operates exactly the same way: you send  
signals here, they receive them there. The only difference is that  
there is no cat ."

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[Mailman-Users] problems after manually deleting held messages

[K. Clair]

Hi,

I manually deleted held messages for a list by removing them from the
/home/mailman/data directory.

Now, the pending moderator requests section of the admin interface
thinks for a very long time and then eventually ends in an internal
server error.

An strace of the thinking process reveals these sorts of messages over and over:
write(6, "Aug 08 14:41:32 2006 (4252) acti"..., 139) = 139
unlink("/home/mailman/data/heldmsg-activist-6196.pck") = -1 ENOENT (No
such file or directory)
stat64("/home/mailman/data/heldmsg-activist-6217.pck", 0xbfffecf0) =
-1 ENOENT (No such file or directory)
gettimeofday({1155062492, 528507}, NULL) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0444, st_size=1267, ...}) = 0
write(6, "Aug 08 14:41:32 2006 (4252) acti"..., 107) = 107
unlink("/home/mailman/data/heldmsg-activist-6217.pck") = -1 ENOENT (No
such file or directory)

... and then eventually this type of thing repeats:
mmap2(NULL, 139264, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0xb67f9000
munmap(0xb681b000, 135168)  = 0
mmap2(NULL, 143360, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0xae09a000
munmap(0xb67f9000, 139264)  = 0

I thought that maybe mailman was going through all the messages it
thought should be held, and our internal resource monitor on our
webservers was killing the process after it was taking too long.
However, it seems like every time it runs, it tries to delete the same
held messages (judged by me to be the same because the numbers that it
is trying to unlink are the same with each run).

Any thoughts?

Thanks,
Kristina Clair
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[Mailman-Users] Moderators not being notified of pending posts

[Clayton Mic]

Hi.

After recently setting our list to only accept List Member postings in
an effort to reduce spamming we had to deal with we lost the moderators
of the list being notified that there are pending posts.

I don't have access to the command line areas of Mailman as we go
through a third party ISP. We make alterations to our Mailman settings
through the front end of Mailman.

We have had 3 moderators maintaining the postings and this morning I
replaced 2 of them with one and reset this setting, thinking that it may
have got the post notification going again. Still no luck.

Thanks for any tips or suggestions that I can forward to my ISP.



Mic Clayton



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[Mailman-Users] Mailman Stalls for Outgoing Emalis

[Kevin A. McGrail]

We have a problem where in recent weeks we have seen mailman stall on sending 
emails.  The emails end up in the archives and get properly placed in 
qfiles/out but simply never get sent.  A restart of the service "fixes" the 
problem. We have also upgraded to the latest mailman to make sure that was not 
an issue.

In the log files, we get the following:

Aug 08 09:44:41 2006 (11723) Cannot connect to SMTP server localhost on port 
smtp

Once this occurs, outgoing mail ceases until a restart of the service/runners.

I believe the box is hitting it's limit of sendmail services and refusing 
service and that the mailman service is not gracefully retrying later, either 
by design or a bug.  Is this expected behavior or is there a setting I have 
missed?

Any thoughts?

Regards,
KAM
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[Mailman-Users] moderator approval for attachment

[Hung Phan]

Is it possible to setup moderator approval for attachments? I don't  
see there is an option for that in Content Filtering page.

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[Mailman-Users] Forum archive

[Jim Popovitch]

Does anyone know of a way to archive emails similar to the way a forum
is laid out?   I'm finding more and more that I glean better info from
web based forums, rather than email archives, simply because the
all-on-one-page forum is easier to scan through and read.

Tia,

-Jim P.
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Re: [Mailman-Users] Trouble moving mailings lists to replacement system

[Brad Knowles]

At 2:37 PM -0400 2006-08-08, Richard Crane wrote:

>  I have almost successfully moved a set of lists to a new computer.
>  Both are running OS X server, the older Mailman 2.1.6, the new
>  2.1.8   All I need to do is make the lists advertised on the listinfo
>  page, even though they are on the old system.  If I directly enter
>  the URL of a list for either regular or admin, I can get to it and
>  all the information appears to be clear.

This sounds like a virtual server issue, or perhaps a difference in 
the name of the server that is configured in mm_cfg.py.  Did you 
follow the instructions in FAQ 3.4?

Otherwise, you may need to start looking at the troubleshooting 
instructions in FAQ 3.14.

-- 
Brad Knowles, <[EMAIL PROTECTED]>

"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."

 -- Benjamin Franklin (1706-1790), reply of the Pennsylvania
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Re: [Mailman-Users] Mailman Stalls for Outgoing Emalis

[Brad Knowles]

At 6:37 PM -0400 2006-08-08, Kevin A. McGrail wrote:

>  Once this occurs, outgoing mail ceases until a restart of the 
>service/runners.

Have you looked at the section of the FAQ discussing performance 
tuning of your system?  See FAQs 6.3, 6.6, and 6.8.

>  I believe the box is hitting it's limit of sendmail services and refusing
>  service and that the mailman service is not gracefully retrying later,
>  either by design or a bug.  Is this expected behavior or is there a setting
>  I have missed?

That's a reasonable conclusion, but with proper tuning of the MTA and 
configuration of Mailman, you shouldn't reach that point.  Start with 
the FAQ entries mentioned above.

-- 
Brad Knowles, <[EMAIL PROTECTED]>

"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."

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Re: [Mailman-Users] moderator approval for attachment

[Brad Knowles]

At 4:29 PM -0700 2006-08-08, Hung Phan wrote:

>  Is it possible to setup moderator approval for attachments? I don't
>  see there is an option for that in Content Filtering page.

Not per se, no.  You get moderator approval of the whole message, but 
I don't think that the web interface shows you any attachments that 
come with the message, although it may indicate what the type of 
attachments are and what the filenames are.  That's about it.

-- 
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"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."

 -- Benjamin Franklin (1706-1790), reply of the Pennsylvania
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Re: [Mailman-Users] Forum archive

[Brad Knowles]

At 10:17 PM -0400 2006-08-08, Jim Popovitch wrote:

>  Does anyone know of a way to archive emails similar to the way a forum
>  is laid out?   I'm finding more and more that I glean better info from
>  web based forums, rather than email archives, simply because the
>  all-on-one-page forum is easier to scan through and read.

Have you tried alternative archive options, such as those discussed 
in the FAQ?  Or the items mentioned in the FAQ where you can actually 
gateway between Mailman-hosted mailing lists and a forum-based 
discussion system?

-- 
Brad Knowles, <[EMAIL PROTECTED]>

"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."

 -- Benjamin Franklin (1706-1790), reply of the Pennsylvania
 Assembly to the Governor, November 11, 1755

  Founding Individual Sponsor of LOPSA.  See .
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Re: [Mailman-Users] Forum archive

[Jim Popovitch]

Brad Knowles wrote:
> At 10:17 PM -0400 2006-08-08, Jim Popovitch wrote:
> 
>>  Does anyone know of a way to archive emails similar to the way a forum
>>  is laid out?   I'm finding more and more that I glean better info from
>>  web based forums, rather than email archives, simply because the
>>  all-on-one-page forum is easier to scan through and read.
> 
> Have you tried alternative archive options, such as those discussed in
> the FAQ?  Or the items mentioned in the FAQ where you can actually
> gateway between Mailman-hosted mailing lists and a forum-based
> discussion system?

Of course not.  ;-)  FAQ?!??! What FAQ?  ;-)

Seriously, I never thought that something like that would be in the FAQ,
I'll give it a look.  Meanwhile, if anyone has a recommendation for one
please let me know.

Thanks Brad,

-Jim P.


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Re: [Mailman-Users] Forum archive

[Brad Knowles]

At 11:18 PM -0400 2006-08-08, Jim Popovitch wrote:

>>  Have you tried alternative archive options, such as those discussed in
>>  the FAQ?  Or the items mentioned in the FAQ where you can actually
>>  gateway between Mailman-hosted mailing lists and a forum-based
>>  discussion system?
>
>  Of course not.  ;-)  FAQ?!??! What FAQ?  ;-)
>
>  Seriously, I never thought that something like that would be in the FAQ,
>  I'll give it a look.  Meanwhile, if anyone has a recommendation for one
>  please let me know.

The most useful entries are likely to be 1.26 and 4.4, but you may 
find others that are also of interest.  We don't have a great deal of 
information on these subjects, as we don't use these kinds of tools 
on python.org, and we haven't had anyone with first-hand experience 
come forward to provide any more information than you can find in 
those FAQ entries.  But there are at least some links to packages you 
can try, if nothing else.

-- 
Brad Knowles, <[EMAIL PROTECTED]>

"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."

 -- Benjamin Franklin (1706-1790), reply of the Pennsylvania
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Re: [Mailman-Users] Mailman Stalls for Outgoing Emalis

[Kevin A. McGrail]

> Have you looked at the section of the FAQ discussing performance tuning of 
> your system?  See FAQs 6.3, 6.6, and 6.8.

Thanks.  I've made some tweaks in line with these FAQs and have some 
comments.

FAQ 6.6 mentions SMTP_MAX_RCPTS = 10 but 6.3 mentions 2-5.  I'm using VERP 
so I believe this is irrelevant to my installation but it might be good to 
clarify for consistency.

Also FAQ 6.6 mentions changes because mailman didn't used to use a FIFO 
queue.  The FAQ specifies this was a target for 2.1.X mailman and to my 
knowledge QRUNNER_PROCESS_LIFETIME &  QRUNNER_MAX_MESSAGES were remove from 
Default.py.

>>  I believe the box is hitting it's limit of sendmail services and 
>> refusing
>>  service and that the mailman service is not gracefully retrying later,
>>  either by design or a bug.  Is this expected behavior or is there a 
>> setting
>>  I have missed?
>
> That's a reasonable conclusion, but with proper tuning of the MTA and 
> configuration of Mailman, you shouldn't reach that point.  Start with the 
> FAQ entries mentioned above.

The box is an incoming mail server as well so while we can tweak things to 
make running out of child daemons minimal, with the dictionary 
attacks+spammers+normal mail traffic, I see no way that I can guarantee that 
the box will not run out of connections available.  Am I correct that if 
this occurs, the qfile/out runner will stall?

Thanks again,
KAM 

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[Mailman-Users] Slow Mailman issues

[Jared Nyland]

Hi All,

I have been running a Mailman server for a little while and have noticed
that things are really slow.  Once I restart mailman and postfix the first
mail seems to go through very quickly then the next mail seems to take a
long time. I have been trying to trouble shoot this problem and have noticed
in my logs that mail is being sent to [EMAIL PROTECTED]  I was
just wondering if this sounds correct and if not is there away to fix this
issue?



Thanks for any help you can give
Jared
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Re: [Mailman-Users] Slow Mailman issues

[Brad Knowles]

At 10:45 PM -0600 2006-08-08, Jared Nyland wrote:

>  I have been running a Mailman server for a little while and have noticed
>  that things are really slow.  Once I restart mailman and postfix the first
>  mail seems to go through very quickly then the next mail seems to take a
>  long time. I have been trying to trouble shoot this problem and have noticed
>  in my logs that mail is being sent to [EMAIL PROTECTED]  I was
>  just wondering if this sounds correct and if not is there away to fix this
>  issue?

Did you check the FAQ and search for things like "performance tuning"?

-- 
Brad Knowles, <[EMAIL PROTECTED]>

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Re: [Mailman-Users] Mailman Stalls for Outgoing Emalis

[Brad Knowles]

At 12:33 AM -0400 2006-08-09, Kevin A. McGrail wrote:

>  FAQ 6.6 mentions SMTP_MAX_RCPTS = 10 but 6.3 mentions 2-5.  I'm using VERP
>  so I believe this is irrelevant to my installation but it might be good to
>  clarify for consistency.

FAQ 6.6 is probably a little older, and appears to need to be 
updated.  You are correct, that if you are VERPing everything, then 
this particular parameter is not relevant to your site.

>  Also FAQ 6.6 mentions changes because mailman didn't used to use a FIFO
>  queue.  The FAQ specifies this was a target for 2.1.X mailman and to my
>  knowledge QRUNNER_PROCESS_LIFETIME &  QRUNNER_MAX_MESSAGES were remove
>  from Default.py.

I'm not familiar with the code at that depth, so I would have to 
leave those modifications to the FAQ to someone who could answer 
those questions.

Mark, are you listening?

>  The box is an incoming mail server as well so while we can tweak things
>  to make running out of child daemons minimal, with the dictionary
>  attacks+spammers+normal mail traffic, I see no way that I can guarantee
>  that the box will not run out of connections available.  Am I correct that
>  if this occurs, the qfile/out runner will stall?

For a large site, you want to split incoming and outgoing mail 
services onto separate clusters of machines.

Moreover, if you're doing any amount of anti-spam processing or 
anti-virus scanning, then you'll probably want to run multiple 
different instances of your MTA on your machines.  The primary 
instance would be running on port 25 on all interfaces, with all 
scanning intact.  The secondary instance would be listening to some 
other port only on the loopback (127.0.0.1) interface, and would be 
used exclusively for outbound e-mail from that server.  You would 
want to make sure that all output from Mailman was directed at this 
second instance of your MTA, so that you don't go through all that 
scanning a second time, for all outbound mail as well as all your 
inbound mail.  On this second instance, you also generally want to 
remove any kind of resource limiting that you may have in place, 
because you have presumably done all that sort of stuff on the 
primary instance.

IIRC, these issues are discussed in the FAQ under the respective 
"performance tuning" sections, but I may be wrong.  If so, please let 
me know I'll try to update the relevant FAQ entry to be more 
correct/up-to-date.


Even after you've done all of this, there is still the chance that 
your MTA may run out of available connections.  If that happens, I 
don't see any other way to resolve this issue than to monitor the 
server(s) closely (using tools like rrdtool, munin, bb4, nagios, 
etc...), and to use mailmanctl to restart mailman itself and any 
stalled queue runners.

-- 
Brad Knowles, <[EMAIL PROTECTED]>

"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."

 -- Benjamin Franklin (1706-1790), reply of the Pennsylvania
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Re: [Mailman-Users] Mailman Stalls for Outgoing Emalis

[Brad Knowles]

At 11:47 PM -0500 2006-08-08, Brad Knowles wrote:

>  Moreover, if you're doing any amount of anti-spam processing or
>  anti-virus scanning, then you'll probably want to run multiple
>  different instances of your MTA on your machines.  The primary
>  instance would be running on port 25 on all interfaces, with all
>  scanning intact.  The secondary instance would be listening to
>  some other port only on the loopback (127.0.0.1) interface, and
>  would be used exclusively for outbound e-mail from that server.

Sorry, I should have been a little more clear -- this second instance 
does not do any scanning of any sort, and has all checks turned off 
for things like looking at the reverse DNS for the incoming 
connections, etc  In other words, the one and only thing it is 
good at is accepting mail as quickly as possible from other programs 
on the system, and then working to deliver that as quickly as 
possible to the remote recipients.

By the time a mail message reaches this second instance of your MTA, 
all anti-spam processing and anti-virus scanning, etc... should 
already have been done on input, and there shouldn't be anything else 
to scan for on output.  That's why it can be tuned for maximum 
acceptance speed.


In addition, if you're running a really large mailing list system, 
you will want to off-load all outgoing e-mail on a cluster of 
secondary machines at your site (or maybe provided by your ISP), so 
that your mailing list server can dump things onto other systems as 
quickly as possible.  In that case, you will probably also want to 
pre-process all the incoming messages on a separate cluster of 
machines, so that the only thing the mailing list server has to worry 
about is accepting mail messages from the front-end inbound mail 
servers, handling web user interface interaction with the 
subscribers, moderators, and list owners, and transmitting approved 
messages as quickly as possible to the cluster of outbound mail 
handlers.  Except for the web interaction stuff, pretty much all 
interaction with the outside world is handled by other machines.

You can push this even further, by setting up a reverse-proxy system 
in front of the web user interface, and the next step would be to 
completely isolate the back-end mail handling facilities on a 
completely separate machine, which shares the /usr/local/mailman 
directory structure (or wherever your OS puts the Mailman files) via 
NFS to one or more front-end servers.


Believe me, you can scale this thing to amazing heights, if you split 
the functionality correctly onto separate clusters of machines.  It 
does take some knowledge of how to build and configure 
higher-performance web and mail clusters, but that's not too hard to 
come by -- we've put as much information as we can into the FAQs, and 
if there's anything not already covered there, we can try to put in 
some more.

-- 
Brad Knowles, <[EMAIL PROTECTED]>

"Those who would give up essential Liberty, to purchase a little
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 -- Benjamin Franklin (1706-1790), reply of the Pennsylvania
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