Re: [Mailman-Users] problems in posting to a list

2006-06-14 Thread Patrick Bogen
On 6/14/06, Harold Goldstein [EMAIL PROTECTED] wrote:
 i am an administrator (but i didn't install it nor do i have access to the
 server) of an announcement only mailing list.

 despite having 3 addresses listed as administrator and moderator, we have
 only been able to use one address to post. that was ok till last week when
 we were subject to a spoofing attack appearing to come from that address.

The 'administrator' and 'moderator' addresses aren't considered when
determining if a message is to be allowed.

Any addresses you'd like to accept mail from, add to
'accept_these_nonmembers' under 'Sender filters' under 'Privacy
Options' in the web interface.

ALTERNATIVELY, include as the first line of your message: 'Approved:
list admin password' (this is better, since it's totally proof
against spoofing. Man-in-the-middle attacks, however, can
theoretically intercept your mail on the way to the server, and get
the password out of it. FYI.)

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Re: [Mailman-Users] problems in posting to a list

2006-06-14 Thread Harold Goldstein
thanks for your response

Any addresses you'd like to accept mail from, add to 
'accept_these_nonmembers' under 'Sender filters' under 'Privacy
Options' in the web interface.

hmmm ... ok ... but why would i be considered a 'non-member' ... i never 
would have guessed to use this.

ALTERNATIVELY, include as the first line of your message: 'Approved: list 
admin password' (this is better, since it's totally proof against spoofing.

an excellent approach ... i take it that the  characters ARE included in 
the above??

thanks again

   harold ...

  Harold Goldstein - [EMAIL PROTECTED] ~~,__o   ~^^
  Goldray Consulting:  http://goldray.com/ ~_-\   ,   ~  o \
  Web Development/Internet Training (*)/ (*)  ~  / {   \
  Save The Apes: http://bushmeat.net/ /   { o}
amber for everyone - http://amberlady.com - fossil bugs too  
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Re: [Mailman-Users] problems in posting to a list

2006-06-14 Thread Mark Sapiro
Harold Goldstein wrote:

thanks for your response

Any addresses you'd like to accept mail from, add to 
'accept_these_nonmembers' under 'Sender filters' under 'Privacy
Options' in the web interface.

hmmm ... ok ... but why would i be considered a 'non-member' ... i never 
would have guessed to use this.


Or, just turn off your mod flag in the membership list (assuming you
are a member).



ALTERNATIVELY, include as the first line of your message: 'Approved: list 
admin password' (this is better, since it's totally proof against spoofing.

an excellent approach ... i take it that the  characters ARE included in 
the above??


No, they aren't. And this is a better method because it is spoof proof.
I.e. allow no one to post just because of who they claim to be -
require the password.

See
http://www.python.org/cgi-bin/faqw-mm.py?req=showfile=faq03.011.htp
and
http://www.python.org/cgi-bin/faqw-mm.py?req=showfile=faq03.034.htp.


Also note that to use the Approved: pw as a first line, it must be in
a plain text part which is the first plain text part of the message.
Also, prior to Mailman 2.1.7, it must not be in any other parts such
as a text/html alternative part, or it will leak to the list.

The better method is to add it as an actual header, but many people's
MUA's will not do this conveniently or at all.

-- 
Mark Sapiro [EMAIL PROTECTED]   The highway is for gamblers,
San Francisco Bay Area, Californiabetter use your sense - B. Dylan

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Re: [Mailman-Users] problems in posting to a list

2006-06-14 Thread Larry Stone
On 6/14/06 6:38 PM, Harold Goldstein at [EMAIL PROTECTED] wrote:

 ALTERNATIVELY, include as the first line of your message: 'Approved: list
 admin password' (this is better, since it's totally proof against spoofing.
 
 an excellent approach ... i take it that the  characters ARE included in
 the above??

No they are not. Just
Approved: password

-- 
Larry Stone
[EMAIL PROTECTED]
http://www.stonejongleux.com/


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