<quote who="Billy Kwong"> > On Wed, Jun 14, 2006 at 10:44:51AM +1000, Alexander Samad wrote: > > doesn't it mean that the slug smtp server has tried to verify > > [EMAIL PROTECTED] is a valid email adderss, by making a connect to the > > smtp server for snowfrog.net (dig snowfrog.net mx) and trying a vrfy > > command ? > > That depends on the implementation of the MTA or greylisting. The point of > greylisting is to slow down the spammers as to how quickly (which is what > they rely on) they could spew out spam. > > Most MTAs nowadays has disabled the VRFY command to prevent the leakages > of email accounts or (even worse) actual accounts.
SAV is different to VRFY, and the combination of SAV and greylisting is really broken. I suggested to Chris that he turn SAV off, because it ends up being more problematic than it's worth. - Jeff -- GUADEC 2006: Vilanova i la Geltrú, Spain http://2006.guadec.org/ "It's only ironic because it's true." - Reflexive irony, overheard -- SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html
