Hi,
one of the problems about that: some legitimate mail from automated systems (e.g. a website registration) is sent as From: [EMAIL PROTECTED] Subject: registration Please visit http://domain.com/register/id=xyz In case of problems please write to [EMAIL PROTECTED] SAV will just trash these mails Wolfgang Hamann >> >> I had read of sender address verification(SAV) about a year back, some >> people had done that too. I found the idea too unfeasible for checking >> from-addresses before accepting mail at MTA. >> >> >> The scene is different today now with 90% of all mail being spam it >> seems not that bad an idea anyway >> My guess is around 50% of these spams dont have a deliverable from-id >> Waste resource and bandwidth accepting mail and scanning it or waste >> time probing for correct from ids ( and also risk being blacklisted for >> probes ) .. which is better. >> >> IMHO if SAV becomes some standard then domains can have something like >> DNS records for all correct ids and probing will become a lot easier >> >> Is anyone already having experiences with sender address verification >> >> Thanks >> Ram >> >> >> >> >> >>