mails an gmx kommen zurück

ich weiß nciht weiter, immer wenn ich was schicke kommt das zurück:
ich versteh das nicht, keiner meiner leute kriegt bei gmx ne mail von mir!!!

bitte helft mir *rumheul*
The original message was received at Thu, 24 Nov 2005 12:36:08 GMT from localhost [127.0.0.1]

—– Transcript of session follows —–
… while talking to mx0.gmx.net.:
>>> QUIT
<<< 421-4.3.2 {mx053} Too many bad recipients. Are you an address harvester? Try again in 3 hour(s) 58 minute(s) <<< 421 4.3.2 and see( http://www.gmx.net/serverrules ) ... while talking to mx0.gmx.de.: >>> QUIT
<<< 421-4.3.2 {mx069} Too many bad recipients. Are you an address harvester? Try again in 3 hour(s) 58 minute(s) <<< 421 4.3.2 and see( http://www.gmx.net/serverrules ) … Deferred: 421-4.3.2 {mx069} Too many bad recipients. Are you an address harvester? Try again in 3 hour(s) 58 minute(s)
Warning: message still undelivered after 4 hours
Will keep trying until message is 3 days old