Hi there,

In fact is I cannot send mail to others as thay are usually blocked by the recipients. I know no idea what's happening. I have checked the system is not affected by virus and anything else.
Does anyone can help me ?

Any help can be appreciated. Thanks!

This message was created automatically by the mail system (ecelerity).

A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:

>>> [email protected] (reading BANNER): 554 Service unavailable;
>>> Client host [XXXXXX.netvigator.com] blocked by
>>> sbl-xbl.spamhaus.org;
>>> http://www.spamhaus.org/query/bl?ip=210.87.xxx.xxx



This message was created automatically by the mail system (ecelerity).

A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:

>>> [email protected] (after RCPT TO): 550 5.7.1 Rejected: Spam email from server IP 210.87.xxx.is blocked by Outblaze. Please go to http://spamblock.outblaze.com/210.87.xxx.xx for IP unblock request.