Invalid Addresses exception

hi all

, I am a java mail api neophyte , i tried to use the mail api for sending mail , i succeded in sending mail with in my smtp server, but once i tried to replace the email id of my domain to , gmail or yahoo id the jsp container returned the invalid address exception ,I expect some useful suggestions from the community

with regards

joshi ashutosh

[384 byte] By [joshiashutosha] at [2007-11-27 3:25:21]