hmm yur right on hotmail, but I bet there are still a lot of domains out there that just forwards mail withouht revealing if a addy is valid or not (well my sendmail relay is just that, it wont tell if a mail is valid or not). which is the accepted practice?
-- hotmail -- telnet mx4.hotmail.com 25 Trying 65.54.254.151... Connected to mc4.law16.hotmail.com (65.54.254.151). Escape character is '^]'. 220 mc4-f38.law16.hotmail.com Microsoft ESMTP MAIL Service, Version: 5.0.2195.5600 ready at Wed, 26 Mar 2003 14:28:49 -0800 hello x 500 Unrecognized command helo x 250 mc4-f38.law16.hotmail.com Hello [207.245.115.19] mail from: [EMAIL PROTECTED] 250 [EMAIL PROTECTED] OK rcpt to: [EMAIL PROTECTED] 550 Requested action not taken: mailbox unavailable rcpt to: [EMAIL PROTECTED] 550 Requested action not taken: mailbox unavailable ---- another example (domain X'd out) ---- telnet XXXXXXXXXXXXXXXxXX smtp Trying XXXXXXXXXXXXXXX Connected to XXXXXXXXXXXXXXXXXX (199.4.154.3). Escape character is '^]'. 220 XXXXXXXXXXXXXXXXXXXXSMTP helo x 250 XXXXXXXXXXXXXXXXXXXX mail from: [EMAIL PROTECTED] 250 ok rcpt to: [EMAIL PROTECTED] 250 ok quit 221 XXXXXXXXXXXXXXXXXXXX i'm pretty sure theres no 20938432999 there... jondz > On Wed, 26 Mar 2003, Hagibis Fan wrote: > .. > > Hows postfix going to know for sure if the account really exists, a lot > > of the mail exchangers just accept mail bound for a domain....most of em > > dont even reveal wether a mail is valid or not (which if enabled, is a > > good way to harvest addresses)? > > it doesn't use VRFY. it uses RCPT TO. > it works with hotmail etc. > > > --- > Orlando Andico <[EMAIL PROTECTED]> > Mosaic Communications, Inc. > > _ > Philippine Linux Users Group. Web site and archives at http://plug.linux.org.ph > To leave: send "unsubscribe" in the body to [EMAIL PROTECTED] > > Fully Searchable Archives With Friendly Web Interface at http://marc.free.net.ph > > To subscribe to the Linux Newbies' List: send "subscribe" in the body to [EMAIL > PROTECTED] > _ Philippine Linux Users Group. Web site and archives at http://plug.linux.org.ph To leave: send "unsubscribe" in the body to [EMAIL PROTECTED] Fully Searchable Archives With Friendly Web Interface at http://marc.free.net.ph To subscribe to the Linux Newbies' List: send "subscribe" in the body to [EMAIL PROTECTED]
