On Sat, 2009-06-27 at 19:49 +0400, Dmitry Samersoff wrote: > David, > > David Woodhouse wrote: > > On Sat, 2009-06-27 at 17:28 +0400, Dmitry Samersoff wrote: > >> I think SQL for graylist is totally overkill. > > > > It's only sqlite -- it doesn't require a separate database server; it's > > purely within Exim. > > It doesn't make it faster and doesn't excuse SQL parser, transactions > and bunch of other staff not needed in this case. > > > You've got to have _some_ kind of database, and this > > is more efficient than just doing it with text files (as my original > > implementation did. > > sqlite is nice product (good step back to 1994) but people tend to > consider it as a cure-all-diseases magic pile. We need a record manager > here but not a database - i.e. Berkeley DB, not sqlite.
True -- it would be nice if we could use Berkeley DB that way from Exim, but it's read-only. > >> Check this implementation: > >> http://www.beastsoft.net/cgi-bin/hg/hgwebdir.cgi/greyd/ > > > > Ew, Mercurial and C++... not the best first impression. > > > > A separate dæmon written in C++ with a 'thread pool' implementation and > > weird OS 'abstraction' layers to handle signals... that's not overkill? > > It's really fast and scalable (actually what it was written for - one of > mid size ISP asked me for help). Also it couldn't cause email loss - > i.e. if something goes wrong e-mail just passed in. Sounds like it's being used too much. Ideally, I believe greylisting should only be invoked for mails which look suspicious in some way, if they come from a host which hasn't previously been observed to queue and retry. > > You also don't seem to be passing it anything other than $sender_address > > and $sender_host_address -- and you're even assuming the latter is > > Legacy IP, afaict. > > I'm checking sender host address and sender from address, e.g: > 209.85.218.168:*[email protected] How's it going to cope with what I get on your incoming mail: 2001:4830:2446:ff00:214:51ff:fe65:c65c:[email protected] > This combination is sufficient enough but not perfect. What else you > suggest to check? There is some discussion of that on the wiki page to which I referred. -- dwmw2 -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
