Tapani, > Yes, moving from dual sendmail to milter would be an obvious > solution, but my past experiences with milter under heavy > load discourage me from going that route. > It's been some time since I looked at it though, perhaps > the issues have been solved since.
I wouldn't recommend it either. The concept of runnig heavy-weight content filters before-queue is fundamentally problematic and is not suitable for larger sites. > > It would be possible to make a small milter to query p0f > > and insert the information in mail header. > > Right, but doing that without performance problems may > not be as easy as it sounds. Don't know, I don't see any problems there. A lookup by a milter into p0f-analyzer's cache would be almost instantaneous (a dozen of milliseconds). > > A third way would be to write a SA plugin that would query > > p0f-analyzer directly, after obtaining client IP address > > from the first trusted Received header field, which is > > already parsed and known by SA. This would perhaps be the > > most general purpose solution, and other users of SA would > > benefit. > > Indeed, that sounds like the ideal solution. I've never > looked at writing SA plugins though, and not enough time > to do it now, so I guess I'll have to forego p0f for now. :-( > Maybe later... Any volunteers to prepare a SA plugin for p0f lookup? Should be quite straightforward. Mark ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ AMaViS-user mailing list AMaViS-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/amavis-user AMaViS-FAQ:http://www.amavis.org/amavis-faq.php3 AMaViS-HowTos:http://www.amavis.org/howto/