sendmail

[Joy Methew]

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 at yahoo.com <from%3Aroot at yahoo.com>
rcpt to:ml4joy at gmail.com <to%3Aml4joy at gmail.com>
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 at gmail.com <from%3Aml4joy at gmail.com>
555 5.5.2 Syntax error t26si1434066ele.4

Any idea why the "Syntax error".?

Thanks