Originally posted here by mastacracka
Ok, When you send an anonymous mail with telnet, why can you only send it to certain mails? for examle why not [email protected] it seems to have trouble with .nets and .govs ect

refer page:http://www.tweakxp.com/tweak124002.aspx
The server is probably correctly telling you it won't relay mail for domains outside of it's
configuration.

email 101