[Mailman-Users] defining topics

[Jeff Barger]

On Jul 14, 2004, at 3:05 PM, Christopher Adams wrote:

> Thanks for your reply. According to what you are saying, if I have a 
> topic called 'Licensing' and I define the topic with the regexp 
> 'Keywords:Licensing', I should be able to just include Licensing on 
> the first line (or within the first 5 lines) of the message, and the 
> Topic match should be met.

I think that would need to be 'Keywords: Licensing' in the body using 
that regexp (and naturally you need to have body checking enabled).

You need to watch body-matching though. If the body content is base64'd 
I don't think it'll catch it. I use Subject matching on the lists I 
take care of that use Topics and generally that has worked out well.


-Jeff


> I tried this, but only subscribers who have not subscribed to topics 
> receive the message, which is what should happens to them. However, 
> subscribers to the Licensing topic do not receive it. What am I doing 
> wrong?
>
> Christopher Adams
>
> Jim Tittsler wrote:
>
>> On Thu, Jul 08, 2004 at 10:10:24AM -0700, Christopher Adams wrote:
>>
>>> "To post on a given topic, you need to make sure that the Keywords: 
>>> or Subject: headers in a message match the regular expression for 
>>> that topic."
>>>
>>> It sounds like it is referring to the actual header portion of the 
>>> message.There obviously isn't a Keywords: header in the actual 
>>> header of the message. However, it goes on to say:
>>>
>>
>> There *can* be a Keywords: header in the message headers.  This
>> occurs most commonly in messages gatewayed from news...
>> although I suppose you could have your Email client add one as
>> well.
>>
>>
>>> "By default, you can put a Keywords: section in the beginning of the 
>>> body of your message, but this can be configured by your list 
>>> admiinistrator."
>>>
>>> I take that to mean that if  I define the topic with the Regular 
>>> Expression "Keywords: Licensing", that all I have to do to match the 
>>> topic is to compose my message body like this:
>>>
>>> Keywords: Licensing
>>>
>>> blah blah blah.
>>>
>>
>> The Keywords: or Subject: psuedo headers need to appear within
>> the first topics_bodylines_limit of a text/plain message (or
>> the text/plain part of a multipart/alternative message).  By
>> default, it just looks at the first 5 lines of the body (but it
>> can be changed to scan all or none of the message looking for
>> the psuedo headers). The regular expression search is done in a
>> case insensitive way.  When a match is detected, the message
>> gets an X-Topics: header showing the matching topic name.
>>
>> The regular expression should not be trying to match the
>> Keywords: or Subject: field name... only the "content" of those
>> headers, or "licensing" in your example.
>>
>>
>>> However, I don't receive the message. It is true that any address 
>>> not subscribed to any topic will receive all messages, so the 
>>> message is being delivered, just not to the address subscribed to 
>>> the topic. I have tried defining the regular expression as just 
>>> "Licensing" and composing my message with Licensing on the first 
>>> line, but that doesn't work either.
>>>
>>
>> If you are sending text/plain messages with the psuedo header
>> words starting in the first column, you might want to confirm
>> the value of the of topics_bodylines_limit for the list.  (Use
>> bin/withlist.)
>>
>>
>>> As with other Mailman "features", the documentation on this is 
>>> pretty cryptic. A simple regular expression should not be hard to 
>>> match. I just don't know what header labels to use when trying to 
>>> match the topic in the body of the message. Using the Subject line 
>>> works, but some of my lists mail to multiple topics and using the 
>>> Subject field is not practical.
>>>
>>
>> Subject:
>> Keywords:
>>
>
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