--On 30 April 2010 21:45:08 -0400 "John R. Levine" <[email protected]> wrote:
>> I don't think that's what I'm saying. Currently lists don't do much to >> authenticate senders. I don't think it's implausible that a recipient >> might have stricter rules than a list manager. It might be unusual, I >> suppose. > > I agree it's hypothetically possible, but have you ever seen an actual > need for this in practice, a list where the recipients filter out > messages that a more competently managed list would have rejected? I've seen spam posted to mailing lists. Recently, I've seen lists targetted in more intelligent ways by spammers. For example, by using sender addresses in the domain of the list (quite a useful way of attacking academic lists, which tend to have lots of local users, but some non-local). > R's, > John -- Ian Eiloart IT Services, University of Sussex 01273-873148 x3148 For new support requests, see http://www.sussex.ac.uk/its/help/ _______________________________________________ NOTE WELL: This list operates according to http://mipassoc.org/dkim/ietf-list-rules.html
