permanent fatal errors

I cannot send emails to MYSELF at my own hotmail account, from my WORK account.

I am trying to send to my own hotmail.com  account from my gsconsultants.net account.

I get messages like this (in my GSconsultants.net email as bounce-backs)  SO FRUSTRATING!!!!

----- The following addresses had permanent fatal errors -----
<--------@hotmail.com>

----- Transcript of session follows -----
... while talking to mx1.hotmail.com.:
>>> MAIL From:<---------@gsconsultants.net> SIZE=90249 BODY=8BITMIME
<<< 421 RP-001 (COL0-MC1-F36) Unfortunately, some messages from 209.17.115.55 weren't sent. Please try again. We have limits for how many messages can be sent per hour and per day. You can also refer to http://mail.live.com/mail/troubleshooting.aspx#errors.
... while talking to mx2.hotmail.com.:
>>> MAIL From:<-------@gsconsultants.net> SIZE=90249 BODY=8BITMIME
<<< 421 RP-001 (COL0-MC1-F45) Unfortunately, some messages from 209.17.115.55 weren't sent. Please try again. We have limits for how many messages can be sent per hour and per day. You can also refer to http://mail.live.com/mail/troubleshooting.aspx#errors.
... while talking to mx4.hotmail.com.: