Re: [Mailman-Users] listname-bounces@

2008-11-18 Thread Mark Sapiro
Michael Welch wrote:

Right, that must be because this list's Sender: header does not look like a 
real email address. I wonder why ours are different.


This thread has been well covered. I just want to add a couple of
things:

As mentioned in other replies, the difference in the 'bounces' address
is that it is VERP like on this list and not on yours.

Also, enabling Mailman's VERP on all list posts will not necessarily
stop people from replying to the VERPd address, but it will stop your
seeing their replies because VERPd bounces are never unrecognized.
Also, if they do it often enough, they will be disabled by bounce
processing.

Finally, as alluded to in another reply, this is probably not users
replying to the -bounces address because they see it in a header.
Rather, it is more likely to be user's MUAs. See
http://wiki.list.org/x/RoA9.

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Re: [Mailman-Users] listname-bounces@

2008-11-18 Thread Michael Welch
Thanks to all, lots of info in there.

I see now that it is probably not user error that is causing this, but that 
some users have a version of Outlook that may inadvertently picking up the 
address from the Sender: header.

So, I have a feature suggestion: Add an autoreply option for -bounces incoming 
emails.

Mark Sapiro wrote at 09:13 AM 11/18/2008:
 
Michael Welch wrote:

Right, that must be because this list's Sender: header does not look like a 
real email address. I wonder why ours are different.


This thread has been well covered. I just want to add a couple of
things:

As mentioned in other replies, the difference in the 'bounces' address
is that it is VERP like on this list and not on yours.

Also, enabling Mailman's VERP on all list posts will not necessarily
stop people from replying to the VERPd address, but it will stop your
seeing their replies because VERPd bounces are never unrecognized.
Also, if they do it often enough, they will be disabled by bounce
processing.

Finally, as alluded to in another reply, this is probably not users
replying to the -bounces address because they see it in a header.
Rather, it is more likely to be user's MUAs. See
http://wiki.list.org/x/RoA9.

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San Francisco Bay Area, Californiabetter use your sense - B. Dylan


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Re: [Mailman-Users] listname-bounces@

2008-11-18 Thread Stephen J. Turnbull
Michael Welch writes:

  So, I have a feature suggestion: Add an autoreply option for
  -bounces incoming emails.

Executive summary: not likely to help, not likely to happen.

This is just going to annoy people who can't easily help themselves
(Outlook and Blackberry users, apparently).  You really don't want to
do that, even if it lightens your load of direct contact because they
get the autoreply.  The fact that they are using *broken* software[1]
cuts no ice with them; everybody uses Outlook, so the rest of us
should just shut up and cope.

It also creates backscatter.  Spambots harvest those -bounces
addresses, and then your autoreply will go back to some forged sender,
who often enough is a real mailbox somewhere.  Guess who they will
think spammed them?  And they will be correct! in the sense that it
was your decision to set up an autoreply that is so easy to abuse.
(This is true of all autoreplies, by the way, which has been a big
headache for many list admins and the Mailman devs for years.  Search
the Mailman-Users archive for backscatter.)


Footnotes: 
[1]  RFC 2822 specifies that Sender headers indicate the
administrative agent who handled the mail, as a secretary does for his
boss.  If there is a problem in transmission, a missing attachment for
example, then you contact the secretary and don't bother the boss,
right?  Replies discussing the content however are sent to the boss,
right?  Even if her secretary actually is previewing and prioritizing
the mail.  Email is the same.  Technical problems with the content go
to Sender, and discussion of content goes to Reply-To (if it
exists) or From.

In the case of email, the admin agent is typically a program, so this
distinction needs to be respected even more than in the case of a
human secretary.  Where the secretary would discard or reroute the
junk, the program isn't smart enough to do anything but forward to
you, and your time is infinitely more expensive than the program's.
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Re: [Mailman-Users] listname-bounces@

2008-11-17 Thread Brad Knowles

Michael Welch wrote:


That means I end up having to do personal contact with way too many
people to let them know that they did not use the correct address, so
they need to resend.

I notice that this list does not show me the real address in those
headers, but rather something like:

Sender: [EMAIL PROTECTED]

So I would guess that the list admin for this listserver rarely sees
users mistaking the Sender: header for the correct address.


We get a few people who send to mailman-users-owner thinking that they're 
posting to the whole list, but I disabuse them of that notion.


Over the several years I've been acting as one of the co-owners of this 
list, I don't recall getting any messages being sent by users to 
mailman-users-bounces.



I am getting pretty tired of this. How can I fix it?


You can set up an auto-responder.  For the web admin page for your mailing 
list, go to the Auto-responder section.  From there, you can set the 
auto-responder message for all posts that are sent to the list, and there's 
a separate auto-responder message that you can create for all messages sent 
to listname-owner, which should also include all messages sent to 
listname-bounces.


Make sure you check the settings of the various related radio-buttons for 
these automatic responses, and change them to be more appropriate for your 
situation if they are not correct.


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Re: [Mailman-Users] listname-bounces@

2008-11-17 Thread Barry Finkel
Brad Knowles [EMAIL PROTECTED] wrote in reply, in part:

Over the several years I've been acting as one of the co-owners of this
list, I don't recall getting any messages being sent by users to
mailman-users-bounces.

I have some Mailman lists, and if a recipient does a reply-all
from a BlackBerry device, then the -bounces address is included in the
reply.
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Re: [Mailman-Users] listname-bounces@

2008-11-17 Thread Michael Welch


Brad Knowles wrote at 09:09 AM 11/17/2008:
 
Michael Welch wrote:

That means I end up having to do personal contact with way too many
people to let them know that they did not use the correct address, so
they need to resend.
I notice that this list does not show me the real address in those
headers, but rather something like:

Sender: [EMAIL PROTECTED]
So I would guess that the list admin for this listserver rarely sees
users mistaking the Sender: header for the correct address.

We get a few people who send to mailman-users-owner thinking that they're 
posting to the whole list, but I disabuse them of that notion.

Over the several years I've been acting as one of the co-owners of this list, 
I don't recall getting any messages being sent by users to 
mailman-users-bounces.

Right, that must be because this list's Sender: header does not look like a 
real email address. I wonder why ours are different.

I am getting pretty tired of this. How can I fix it?

You can set up an auto-responder.  For the web admin page for your mailing 
list, go to the Auto-responder section.  From there, you can set the 
auto-responder message for all posts that are sent to the list, and there's a 
separate auto-responder message that you can create for all messages sent to 
listname-owner, which should also include all messages sent to 
listname-bounces.

That does not work, I assume because the message to -owner is coming from 
-bounces and not from the original list member. So an autoresponder would be 
sent back to -bounces, which might actually create an endless loop (though I 
imagine Mailman traps for that).


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Re: [Mailman-Users] listname-bounces@

2008-11-17 Thread Brad Knowles

Michael Welch wrote:


That does not work, I assume because the message to -owner is coming from
-bounces and not from the original list member. So an autoresponder would
be sent back to -bounces, which might actually create an endless loop
(though I imagine Mailman traps for that).


You are correct, Mailman should trap for that.  This means that there's no 
harm in testing out the feature yourself, just to see what happens.


If it works, you're done.  If not, then no harm should be done, and we can 
explore other possibilities.


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Re: [Mailman-Users] listname-bounces@

2008-11-17 Thread Michael Welch
Hi Brad. I did test it, hence That does not work.

But I do appreciate the reminder, because I had intended to populate that 
particular autoresponder.

Brad Knowles wrote at 11:09 AM 11/17/2008:
 
Michael Welch wrote:

That does not work, I assume because the message to -owner is coming from
-bounces and not from the original list member. So an autoresponder would
be sent back to -bounces, which might actually create an endless loop
(though I imagine Mailman traps for that).

You are correct, Mailman should trap for that.  This means that there's no 
harm in testing out the feature yourself, just to see what happens.

If it works, you're done.  If not, then no harm should be done, and we can 
explore other possibilities.


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Re: [Mailman-Users] listname-bounces@

2008-11-17 Thread Brad Knowles

Michael Welch wrote:


Hi Brad. I did test it, hence That does not work.


Ahh, sorry.  It wasn't clear to me that you had actually tested it or not.
My bad.


But I do appreciate the reminder, because I had intended to populate that
particular autoresponder.


And thanks to your note, I have more fully populated the auto-responder for 
mailman-users-owner and mailman-users-request, too.


I'm sorry this has not yet solved your problem, but I do appreciate the 
opportunity to improve our own configuration even more.  Thanks!


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Re: [Mailman-Users] listname-bounces@

2008-11-17 Thread Stephen J. Turnbull
Michael Welch writes:

  Right, that must be because this list's Sender: header does not
  look like a real email address. I wonder why ours are different.

It's one of the VERP settings.  While true VERP is done by the
MTA, not by agents like Mailman, the basic idea is the same: to
personalize various fields in the message so that the original that
elicited a reply (including a bounce) can be identified.

IIRC there are two.  One which enables VERP for various administrative
messages which allows occasional checking for bounces, the other
enables it for all messages.  I believe this is possible on a per-list
basis.  You want the latter.

The downside is performance, which is why VERP off is the default.
Each message has to be composed individually, which increases the
processor load a bit.  This is probably negligible.  More important,
each message has to be sent individually, which can dramatically slow
down processing if you have any large groups of members served by a
single receiving MTA.  (It is possible to specify multiple recipients
for a single message; the receiving MTA will fetch it from the network
once, then distribute copies.  Sort of like you fax a handout to the
meeting organizer, and he makes Xeroxes for all the attendees.  Much
more efficient than faxing one to each attendee!)

I'm still on Mailman 2.1.5 which doesn't seem to have this feature, or
maybe it's only available through the command line interface.  If it
sounds like what you need, say so and I'm sure somebody will tell you
where the setting can be made.  Note that this configuration may be
disabled or objectionable to your ISP because of the possible impact
on performance.
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Re: [Mailman-Users] listname-bounces@

2008-11-17 Thread Brad Knowles

Stephen J. Turnbull wrote:


The downside is performance, which is why VERP off is the default.


That and the fact that not all MTAs support VERP at all, and some of the 
ones that do support VERP don't support it by default.  So, we leave this 
option turned off by default.



I'm still on Mailman 2.1.5 which doesn't seem to have this feature, or
maybe it's only available through the command line interface.


VERP is available on Mailman 2.1.5, but it does have to be enabled in the 
configuration file, before you can actually see the option in the web admin 
UI for your list(s).


Which is actually the problem here, since the OP is on a shared server and 
they're not likely to allow him to enable VERP since doing so would make 
everyone else capable of doing the same thing, and that would probably just 
*bury* the server performance.


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Re: [Mailman-Users] listname-bounces@

2008-11-17 Thread Grant Taylor

Stephen J. Turnbull wrote:
It's one of the VERP settings.  While true VERP is done by the 
MTA, not by agents like Mailman, the basic idea is the same: to 
personalize various fields in the message so that the original that 
elicited a reply (including a bounce) can be identified.


Um...  Please explain what you mean by ... true VERP is done by the MTA 
  Are you thinking of SRS?  I'm not aware of any thing else at the 
MTA level that will alter the SMTP Envelope sender (MAIL FROM:).  As far 
as RFC 822 headers, that is almost completely up to the MSA.  About the 
only thing that the MTA does is insert (or append) a header if it does 
not already exist.


IIRC there are two.  One which enables VERP for various 
administrative messages which allows occasional checking for bounces, 
the other enables it for all messages.  I believe this is possible on 
a per-list basis.  You want the latter.


I think you are thinking of the Non-digest delivery option Personalize 
and its possible values:  No, Yes, and Full Personalization.  Yes 
these are per-list settings.


The downside is performance, which is why VERP off is the default. 
Each message has to be composed individually, which increases the 
processor load a bit.  This is probably negligible.  More important, 
each message has to be sent individually, which can dramatically slow 
down processing if you have any large groups of members served by a 
single receiving MTA.  (It is possible to specify multiple recipients 
for a single message; the receiving MTA will fetch it from the 
network once, then distribute copies.  Sort of like you fax a handout 
to the meeting organizer, and he makes Xeroxes for all the attendees. 
Much more efficient than faxing one to each attendee!)


Correct.  However, (IMHO) it does help make your message appear to be 
less spammy in nature.  If you receive two questionable messages, one 
with your email address listed in the To: / CC: header(s) and one with 
out it, you are far more likely to consider the one that does not list 
your email address as spam than the one that does have your email 
address.  Similarly with the use of the name in the email address with 
Full Personalization.




Grant. . . .
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Re: [Mailman-Users] listname-bounces@

2008-11-17 Thread Stephen J. Turnbull
Brad Knowles writes:

  VERP is available on Mailman 2.1.5, but it does have to be enabled in the 
  configuration file, before you can actually see the option in the web admin 
  UI for your list(s).

OK, so that probably was a deliberate decision and won't fly on his ISP.

  Which is actually the problem here, since the OP is on a shared server and 
  they're not likely to allow him to enable VERP since doing so would make 
  everyone else capable of doing the same thing, and that would probably just 
  *bury* the server performance.

Well, maybe if it's not advertised and he asks pretty please with
whipped cream and cherries on top and promises cross my heart and hope
to die to keep it secret, the List Czar at the ISP will change it only
for his list(s) from the CLI.  Weak, I know, but it *could* work 

Good luck!
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