can any one help me with following error
From: MAILER-DAEMON@XXX.XXX.com.XX (Mail Delivery System)
To: XXX@XXX.com.XX
This is the mail system at host mail.*******.com.**.
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The mail system
<XXX.XXX@XXX.org>: host ALT1.ASPMX.L.GOOGLE.com[64.233.165.27] said:
421-4.7.0 [202.63.219.6 10] Our system has detected an unusual rate of
421-4.7.0 unsolicited mail originating from your IP address. To protect our
421-4.7.0 users from spam, mail sent from your IP address has been
temporarily 421-4.7.0 rate limited. Please visit 421-4.7.0
https/support.google.com/mail/?p=UnsolicitedRateLimitError to 421 4.7.0
review our Bulk Email Senders Guidelines. k6si2321663lfd.160 - gsmtp (in
reply to end of DATA command)
Final-Recipient: rfc822; XXX.XXX@XXX.org
Action: failed
Status: 4.7.0
Remote-MTA: dns; ALT1.ASPMX.L.GOOGLE.com
Diagnostic-Code: smtp; 421-4.7.0 [202.63.219.6 10] Our system has detected
an unusual rate of 421-4.7.0 unsolicited mail originating from your IP
address. To protect our 421-4.7.0 users from spam, mail sent from your IP
address has been temporarily 421-4.7.0 rate limited. Please visit 421-4.7.0
https/support.google.com/mail/?p=UnsolicitedRateLimitError to 421 4.7.0
review our Bulk Email Senders Guidelines. k6si2321663lfd.160 - gsmtp
From: MAILER-DAEMON@XXX.XXX.com.XX (Mail Delivery System)
To: XXX@XXX.com.XX
This is the mail system at host mail.*******.com.**.
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The mail system
<XXX.XXX@XXX.org>: host ALT1.ASPMX.L.GOOGLE.com[64.233.165.27] said:
421-4.7.0 [202.63.219.6 10] Our system has detected an unusual rate of
421-4.7.0 unsolicited mail originating from your IP address. To protect our
421-4.7.0 users from spam, mail sent from your IP address has been
temporarily 421-4.7.0 rate limited. Please visit 421-4.7.0
https/support.google.com/mail/?p=UnsolicitedRateLimitError to 421 4.7.0
review our Bulk Email Senders Guidelines. k6si2321663lfd.160 - gsmtp (in
reply to end of DATA command)
Final-Recipient: rfc822; XXX.XXX@XXX.org
Action: failed
Status: 4.7.0
Remote-MTA: dns; ALT1.ASPMX.L.GOOGLE.com
Diagnostic-Code: smtp; 421-4.7.0 [202.63.219.6 10] Our system has detected
an unusual rate of 421-4.7.0 unsolicited mail originating from your IP
address. To protect our 421-4.7.0 users from spam, mail sent from your IP
address has been temporarily 421-4.7.0 rate limited. Please visit 421-4.7.0
https/support.google.com/mail/?p=UnsolicitedRateLimitError to 421 4.7.0
review our Bulk Email Senders Guidelines. k6si2321663lfd.160 - gsmtp