----- Original Message ----- From: "Alfredo Rezinovsky" <[EMAIL PROTECTED]> To: "Boris Ratner" <[EMAIL PROTECTED]> Cc: "Linux-IL" <[EMAIL PROTECTED]> Sent: Friday, June 25, 2004 8:02 PM Subject: Re: hotmail.co.il refuse to get mails from exim ( maybe off topic )
> El vie, 25-06-2004 a las 15:46, Boris Ratner escribi�: > > Hi! > > > > Some mail servers on the net have something "callback authentication" > > procedure installed. > > It goes like that: > > 1. you type in : "mail from: [EMAIL PROTECTED]" > > 2. the server digs for the MX of bar.com . if MX is not found rejects > > the incoming mail. > > 3. if MX found the server contacts the MX on SMTP with : > > "mail from: <>" > > "rcpt to: <[EMAIL PROTECTED]>" > > 4. if any error accurs during this(3) the incoming mail (1) rejected. > > connection to MX closed. > > 5. if the user in (3) is OKed by the MX - incoming mail (1) approved. > > and connection to MX closed. > > > > This system is based on standards but usually have 2 problems: > > 1. 'bar.com' doesn't have an MX -> IMHO if you have a DNS domain to > > recieve mail you should have an MX. > > 2. MX of 'bar.com' - refuses "mail from: <>" (3, above) with errors > > such as "5xx bogus mail from". This beheiviour is > > WRONG and makes additional problems to the users of the domain. > > > > So , I think you should get yourself an MX. I added: www3 MX 10 www3.canaan.co.il. and it solved me the problem. I thought if MX not found the default MX is the A record. > > > Any REAL mail address has an MX resolvable domain, just use a REAL FROM: Can you please explain more on REAL FROM: or point me to some docs ? , never heard of that header. > > > ================================================================= > To unsubscribe, send mail to [EMAIL PROTECTED] with > the word "unsubscribe" in the message body, e.g., run the command > echo unsubscribe | mail [EMAIL PROTECTED] > > ================================================================= To unsubscribe, send mail to [EMAIL PROTECTED] with the word "unsubscribe" in the message body, e.g., run the command echo unsubscribe | mail [EMAIL PROTECTED]
