Always Learning wrote: > On Sat, 2011-07-16 at 20:06 -0400, Mark Weaver wrote: > >> On 7/16/2011 6:50 PM, Always Learning wrote: >>> >>> If there was an automatic ban on List mail containing HTML parts, it is >>> likely the latest crap would not be distributed to everyone. >>> >>> A possible test of the Content-Type: header for >>> >>> multipart/mixed; >>> >>> or >>> >>> text/html; >>> >>> >>> might stop the spam. > > >> you mean like the default settings of Mailman list software that the >> CentOS list "doesn't" run on? I have five lists running on one of my >> CentOS servers and crap like that doesn't ever make it to the list. > > It is the method I use with Exim to block unwanted HTML emails. > > I also do not accept external mail if the HELO/EHLO is not identical to > the host name used by the sending server. Its a marvellous method of > removing lots of spam. Unfortunately some large organisations (i.e. > Ebay, British Telecommunications (BT) and others) are so utterly > incompetent they fail - so their emails get rejected. If they want to > send us emails, they have to obey our rules. > > I use it too. Reverse-DNS check is best SPAM repellent there is. Only mail from properly set mail servers is accepted. Ljubomir