[MLB-WIRELESS] spam mail

[Tony Langdon, VK3JED]

At 05:15 PM 17/07/2002 +1000, Mark Dorset wrote:

>Stopping spam to a mailing list can be quiet difficult - often a lot can 
>be filtered out, but not all. One simple way of fighting it would be to 
>disallow those addresses not subscribed from being able to post to the 
>list - the problem with this is that a lot of valid users have more than 
>one email address and may use one of a variety of addresses with which to 
>post something to the list. For them to have to change their mail settings 
>in order to post to the list in order to match the list's strict 
>guidelines could be seen as more than its worth, so setting a strict rule 
>like that creates more headaches than it's worth. Some recent mailing list 
>server software like Mailman can be quite clever though and disallow posts 
>if the mailing list is not on the specific 'to' or 'cc' header (i.e. bcc's 
>would not get through) and also restrict posts if the number of recipients 
>exceeds a certain number (so posts to say 50 addresses including the 
>mailing list are rejected). I haven't used majordomo (which is what this 
>list uses) for a very very long time, but it wasn't great for my needs 
>back when I last used it. I'm not sure how much better it is nowadays.

Majordomo doesn't, AFAIK.  Unfortunately, spammers have made strict list 
management pretty much a necessity. :-(  Some Yahoo lists actually have to 
have all new members moderated, because the spammers subscribe only long 
enough to send their crap. :(

73 de Tony, VK3JED
http://vk3jed.vk.irlp.net