On Sun, 09 Dec 2012 16:37:12 +0100 mouss <mo...@ml.netoyen.net> wrote:
> <humour> > mew :) you like cats too? or is it the pipe that you like? > > $ sudo grep "...." /var/log/mail.log > > saves a few keystorkes .... For some odd reason I kindda do. Maybe it's the concept of a data-pipe itself, but I imagine I from now on is to lacy to use it together with grep :) > </humour> > > If at all possible, I would like the system not to accept the mail. > > > > why not? because you sent it using the telnet client program? there is > no fundamental difference between mail sent using a "standard" MUA > (thunderbird, outlook, ...) or a program such as telnet, netcat, ... > or a script using perl, python, php, ... > > and no, spammers do not use the telnet program. that would be too > slow! they (generally) use spam bots, which can send masse mails in a > short time. trying to detect such bots is teh subject of anti-spam > measures such as postcreen, greylisting, spam filters (that look for > specific headers or other). I see. It makes plenty of sense, and yes, off course this could be scriptet as well, I just thought the example with telnet was easy to illustrate. It might just be me and my wicked way of thinking that made me ask this question, but I'm glad I did even though the premises was wrong, since I leaned some new things. Thanks for all the replies. Cheers