turn off bounce messages?

2009-01-16 Thread Gary Frederick
I am setting up a server for our mailing lists. That server will not be used for anything but those mailing lists. Can I turn off emailing notices back? Would it make it harder for those sending spam? Would that help cut down backscatter messages? Would it be a bad idea? Thanks Gary

Re: turn off bounce messages?

2009-01-16 Thread Gary Frederick
More details On Fri, Jan 16, 2009 at 12:41 PM, Gary Frederick wrote: > I am setting up a server for our mailing lists. That server will not > be used for anything but those mailing lists. > > Can I turn off emailing notices back? I was wondering if I could turn off sending messages

Re: turn off bounce messages?

2009-01-16 Thread Gary Frederick
:-) On Fri, Jan 16, 2009 at 2:36 PM, Wietse Venema wrote: > Gary Frederick: >> More details >> >> On Fri, Jan 16, 2009 at 12:41 PM, Gary Frederick >> wrote: >> > I am setting up a server for our mailing lists. That server will not >> >

Re: turn off bounce messages?

2009-01-16 Thread Gary Frederick
On Fri, Jan 16, 2009 at 2:36 PM, Evan Platt wrote: > At 12:28 PM 1/16/2009, you wrote: >> >> > Would it make it harder for those sending spam? >> I was wondering if it would make it harder if spammers got nothing. > > How many spammers do you think use a valid return address? > > Spammers likely

Re: turn off bounce messages?

2009-01-16 Thread Gary Frederick
Thanks all. I now understand. ... >> My postfix sends a message back to the sender that it was to a >> non-existent address. I was thinking about not sending them anything >> back. No need to tell them they guessed wrong. >> > > in a good confifguration postfix doesn't _send_. it _rejects_ the > t

Re: turn off bounce messages?

2009-01-16 Thread Gary Frederick
Thanks On Fri, Jan 16, 2009 at 4:33 PM, Thomas wrote: > I do not realy understand the problem here ... > > When a mail is send to a remote SMTP server, wrong addresses get rejected > with 550 ... > > But that IS of course a Mail that returns to the send - it has the title > "Undelivered Mail Retu

Re: turn off bounce messages?

2009-01-16 Thread Gary Frederick
On Fri, Jan 16, 2009 at 3:28 PM, mouss wrote: > Gary Frederick a écrit : >> Thanks all. I now understand. >> >> ... >>>> My postfix sends a message back to the sender that it was to a >>>> non-existent address. I was thinking about not sending them