He telnetted to 127.0.0.1 25 .. which does not make him an open relay. Quoting "Marti, Rob" <RJM002@xxxxxxxx>: > You're connecting from somewhere other than gmail.com and saying the mail is > coming from gmail.com. You're trying to relay mail without authenticating, > which I would bet google has disabled. Your MTA A is currently set up as an > open relay (unless you're at gmail.com). Read > http://en.wikipedia.org/wiki/Open_mail_relay to see why this is bad. > > Rob Marti > > -----Original Message----- > From: redhat-list-bounces@xxxxxxxxxx [mailto:redhat-list-bounces@xxxxxxxxxx] > On Behalf Of Joy Methew > Sent: Wednesday, September 03, 2008 9:11 AM > To: General Red Hat Linux discussion list > Subject: sendmail > > here is two systems both are "mta" A and B with sendmail. > A is mine and B is gmail mat. > when i telnet my mta means A --->>telnet 127.0.0.1 25 > helo hi > mail from:root@xxxxxxxxx <from%3Aroot@xxxxxxxxx> > rcpt to:ml4joy@xxxxxxxxx <to%3Aml4joy@xxxxxxxxx> > i recived mail very easly. > it means my mta "A" telnet indirectaly to gmail mta. > but when i try to telnet directly to gmail mta its give error like. > > > 220 mx.google.com ESMTP t26si1434066ele.4 > helo gmail.com > 250 mx.google.com at your service > mail from:ml4joy@xxxxxxxxx <from%3Aml4joy@xxxxxxxxx> > 555 5.5.2 Syntax error t26si1434066ele.4 > > Any idea why the "Syntax error".? > > Thanks > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list > > > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list > > !DSPAM:48bea336323471050151401! > > -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
