On Mon, Mar 31, 2008 at 2:40 PM, Joseph Brennan <brennan@xxxxxxxxxxxx> wrote: > > Jo Rhett <jrhett@xxxxxxxxxxxxxxxxx> wrote: > > > I would ask that you spend some time determining how the > > program could determine it is a bad rule, and provide a patch to fix this > > behavior. (in short -- it's harder than you think) > > A mail delivery system that loses mail is buggy. I don't need to look > at the code to know that. > > You can tell me no one has time to fix it, and in an open source project > I can respect that. But it is a bug. Look at this: If my script is redirect another.address@xxxxxxxxxxxxxx I expect my mailbox to stay empty, because this is what redirect is supposed to do! If I found and email in my mailbox this is a BUG, because the script I wrote should never let an email come in! What you want is a "smart_redirect" command ! Write a new RFC to extend SIEVE, then write a patch for cyrus. > > > > > > > or back to sender (grounds: not deliverable as configured). > > > > Only if you want to become a source for backscatter. > > Losing mail is much worse than backscatter. With bounces limited to > people who get a forward loop going, bounces are not a big issue. > > > > > Gary Mills <mills@xxxxxxxxxxxxxxx> wrote: > > > > Of course, > > it's impossible to distinguish between a forwarding loop and a real > > duplicate unless another `Received' header is added to the message > > header. > > Hm. What if duplicate suppression is turned off? Infinite loop? > > Hop count is the classic MTA method of detection, but here the very > first time around the loop will hit dup suppression. This calls for > something else that lets the system know the message already passed > through a local sieve script. > > > > > Joseph Brennan > Columbia University Information Technology > > > ---- > > > Cyrus Home Page: http://cyrusimap.web.cmu.edu/ > Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki > List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html > -- Alain Spineux aspineux gmail com May the sources be with you ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
