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When they issue an ETRN it will be accompanied with the Domain name, then sends it to the IP address of the mail server based on the MX record (I think - Yves, correct me if I'm wrong please). Exchange 2000 can also pass username/pass for authentication, however VOPMail does not appear to support SMTP auth on ETRN or Relay situations. Your only security relies on the fact that 2 servers can't have the same IP address on the Internet and that your MX record points to the only receiving server. Thanks Robb Bryn Webmaster CFWebmasters.com > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:vopmailbeta- > [EMAIL PROTECTED] On Behalf Of Costas Zividis - Sequel Technologies SA > Sent: Monday, March 03, 2003 9:09 AM > To: [EMAIL PROTECTED] > Subject: [VOPmail Beta] ETRN > > * This is the vopmailbeta mailing list * > > > Robb, > > How the Exchange authenticate when requesting ETRN ? How do i know who is > requesting ETRN for the domain? > > > > Thanks > > > > Costas > > ----- Original Message ----- > From: "Robb Bryn" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Monday, March 03, 2003 3:50 PM > Subject: [VOPmail Beta] ETRN > > > * This is the vopmailbeta mailing list * > > > Specifically Dialup. If they are on a leased line or static IP then they > don't need ETRN. > > In the case where they have a static IP you just put their MX record > straight to their exchange server. > > OR > > If you want to perform the filtering/routing for them, then you complete > steps 1-3 (leave out the MX record for their server) and add a forced > route > statement under your "routing" config. > > If they are on a DSL line with a carrying IP, have them sign up for one of > the dynamic DNS services out there (we recommend www.tzo.com), or if you > host your own DNS on a windows 2000 box they can use dynamic DNS on your > server. The dynamic services will give them a resolvable name that you > can > point your routing statement to. > > Keep in mind that if you are running VOPMail and trying to do Antivirus > support I don't think that CEF catches anything that is not delivered to a > local mailbox, so all you can offer is spam prevention. > > > > ::: This e-mail has been scanned for virus and found safe and clean, > ::: using the latest technology available upto date. > ::: Check this service at http://www.sequel.gr > > > > ** > To leave this list, send an email to [EMAIL PROTECTED] > and put the word "LEAVE" in the BODY of the email. ** To leave this list, send an email to [EMAIL PROTECTED] and put the word "LEAVE" in the BODY of the email.
