Yahoo mail problem

Feb 17 20:31:03 kylesplace postfix/smtpd[23855]: connect from winserver[192.168.2.130]
Feb 17 20:31:03 kylesplace postfix/smtpd[23855]: 20DC318EDEB: client=winserver[192.168.2.130]
Feb 17 20:31:03 kylesplace postfix/cleanup[23858]: 20DC318EDEB: message-id=<45D7D688.6020000@kylesplace.org>
Feb 17 20:31:05 kylesplace postfix/qmgr[2583]: 20DC318EDEB: from=<kyle@kylesplace.org>, size=2228707, nrcpt=2 (queue active)
Feb 17 20:31:06 kylesplace postfix/smtpd[23855]: disconnect from winserver[192.168.2.130]
Feb 17 20:31:06 kylesplace postfix/local[23860]: 20DC318EDEB: to=<kyle@kylesplace.org>, relay=local, delay=3, status=sent (delivered to mailbox)
Feb 17 20:31:06 kylesplace postfix/smtp[23859]: connect to g.mx.mail.yahoo.com[209.191.88.239]: server refused to talk to me: 421 Message from (76.170.222.194) temporarily  (port 25)
Feb 17 20:31:33 kylesplace postfix/smtp[23859]: 20DC318EDEB: to=<anEmailAddress@yahoo.com>, relay=f.mx.mail.yahoo.com[68.142.202.247], delay=30, status=sent (250 ok dirdel)
Feb 17 20:31:33 kylesplace postfix/qmgr[2583]: 20DC318EDEB: removed