no mail recieves on reporting shows error

[ashish]

whenever i report any issue i got the following error on screen.

also no mail is received on reporting errors.


SYSTEM WARNING: fsockopen() [function.fsockopen]: php_network_getaddresses: getaddrinfo failed: No such host is known.
SYSTEM WARNING: fsockopen() [function.fsockopen]: unable to connect to smtp.msrlimited.com:25 (Unknown error)