host aspmx.l.google.com[74.125.143.27] said: 550-5.7.1 [188.117.59.209 11]
Our system has detected that this message is 550-5.7.1 not RFC 2822 compliant.
To reduce the amount of spam sent to Gmail, 550-5.7.1 this message has been blocked.
Please review 550 5.7.1 RFC 2822 specifications for more information. nr8si8771738lab.216 (in reply to end of DATA command)