> -----Original Message----- > From: owner-postfix-us...@postfix.org > [mailto:owner-postfix-us...@postfix.org] On Behalf Of Frank Bonnet > Sent: Thursday, July 14, 2011 10:08 PM > To: postfix-users@postfix.org > Subject: Re: Large ISP which use Postfix > > Anyone knows what Google or Hotmail use ?
I'm over 90% sure they each rolled their own.