Re: Spam and sieve vacation

2007-08-28 Thread Tomas Lindroos DC
On Mon, 27 Aug 2007, Janne Peltonen wrote: 5/week? Whee. We might achieve something remotely approaching that with personalized bayesian filtering (a multi-discipline, internationaly connected university receives quite a lot of ham that looks very much like spam, so we are a bit paranoid

Re: Spam and sieve vacation

2007-08-27 Thread Janne Peltonen
On Fri, Aug 24, 2007 at 11:58:04PM +0200, Rudy Gevaert wrote: Now I'd like to ask the people on this list about their experiences using the sieve vacation module. The risks of automatically responding to spam / automatically forwarding spam / ending up in sorceror's apprentice mode /

Re: Spam and sieve vacation

2007-08-27 Thread Janne Peltonen
On Fri, Aug 24, 2007 at 11:54:38AM -0400, Jorey Bump wrote: In my opinion, no amount of backscatter is acceptable, so I don't allow user-configurable autoresponders or forwarding. My antispam measures have reduced the amount that makes it to the user's inbox to about 5/week, so I will make

Re: Spam and sieve vacation

2007-08-27 Thread Rudy Gevaert
Janne Peltonen wrote: On Fri, Aug 24, 2007 at 11:58:04PM +0200, Rudy Gevaert wrote: Now I'd like to ask the people on this list about their experiences using the sieve vacation module. The risks of automatically responding to spam / automatically forwarding spam / ending up in sorceror's

Spam and sieve vacation

2007-08-24 Thread Janne Peltonen
Hi! The policy in our university has long been to discourage using auto responders (two of the main reasons being, we don't want to end up forwarding spam to innocent third parties, and neither want to automatically confirm to a spammer that an address works - auto-answers to lists and other

Re: Spam and sieve vacation

2007-08-24 Thread Jorey Bump
inboxes, it might be wise to continue the ban on autoreponders. If you don't get much spam, sieve vacation is suitable. Providing a usable frontend for ordinary users is the real challenge. Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List

Re: Spam and sieve vacation

2007-08-24 Thread Janne Peltonen
, sieve vacation is suitable. But how much is much, in your opinion? Say, 4 spam messages per day per user, with 50 000 users? Would that be much? If, during summer, 25% of our users were to have vacation active at any given time, that'd result in 50 000 vacation spams per day... Providing a usable

Re: Spam and sieve vacation

2007-08-24 Thread Jorey Bump
Janne Peltonen wrote: On Fri, Aug 24, 2007 at 07:47:28AM -0400, Jorey Bump wrote: If you don't get much spam, sieve vacation is suitable. But how much is much, in your opinion? Say, 4 spam messages per day per user, with 50 000 users? Would that be much? If, during summer, 25% of our

Re: Spam and sieve vacation

2007-08-24 Thread Rudy Gevaert
Janne Peltonen wrote: Now I'd like to ask the people on this list about their experiences using the sieve vacation module. The risks of automatically responding to spam / automatically forwarding spam / ending up in sorceror's apprentice mode / ending up having our mail servers blacklisted