(solucionado) No me deja enviar emails

[FresyMetal]

>Hola me he revisado 24 paginas del foro a ver si daba con el problema pero no estoy muy seguro y antes de meter la pata pregunto
he configurado ya todo y parece ir bien excepto el correo, he intentado hacer una prueba pero me da error pego el error:
/var/log/mail.log
Jul 15 11:30:43 ynalia imapd: Connection, ip=[::ffff:127.0.0.1]
Jul 15 11:30:43 ynalia imapd: LOGIN, user=nacho@telnetia.com, ip=[::ffff:127.0.0.1], port=[50284], protocol=IMAP
Jul 15 11:30:43 ynalia imapd: LOGOUT, user=nacho@telnetia.com, ip=[::ffff:127.0.0.1], headers=285, body=0, rcvd=294, sent=1467, time=0
Jul 15 11:30:44 ynalia postfix/smtp[2748]: 95E2760D1D: to=<fresymetal@msn.com>, relay=mx2.hotmail.com[65.54.188.126]:25, delay=0.9, delays=0.11/0.01/0.6/0.18, dsn=5.0.0, status=bounced (host mx2.hotmail.com[65.54.188.126] said: 550 DY-001 (BAY0-MC4-F28) Unfortunately, messages from 84.126.171.14 weren't sent. Please contact your Internet service provider. You can tell them that Hotmail does not relay dynamically-assigned IP ranges. You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. (in reply to MAIL FROM command))
Jul 15 11:30:44 ynalia postfix/smtp[2748]: 95E2760D1D: lost connection with mx2.hotmail.com[65.54.188.126] while sending RCPT TO
Jul 15 11:30:44 ynalia postfix/cleanup[2746]: 8878960D27: message-id=<20110715093044.8878960D27@servidor.ynalia.com>
Jul 15 11:30:44 ynalia postfix/bounce[2752]: 95E2760D1D: sender non-delivery notification: 8878960D27
Jul 15 11:30:44 ynalia postfix/qmgr[1333]: 8878960D27: from=<>, size=3323, nrcpt=1 (queue active)
Jul 15 11:30:44 ynalia postfix/qmgr[1333]: 95E2760D1D: removed
Jul 15 11:30:44 ynalia postfix/virtual[2753]: 8878960D27: to=<nacho@telnetia.com>, relay=virtual, delay=0.08, delays=0.03/0.01/0/0.03, dsn=2.0.0, status=sent (delivered to maildir)
Jul 15 11:30:44 ynalia postfix/qmgr[1333]: 8878960D27: removed
Jul 15 11:30:48 ynalia imapd: Connection, ip=[::ffff:127.0.0.1]
Jul 15 11:30:48 ynalia imapd: LOGIN, user=nacho@telnetia.com, ip=[::ffff:127.0.0.1], port=[50285], protocol=IMAP
Jul 15 11:30:48 ynalia imapd: LOGOUT, user=nacho@telnetia.com, ip=[::ffff:127.0.0.1], headers=570, body=0, rcvd=296, sent=1971, time=0

tengo que aclarar que he visto que hay gente que cambia algo en los mx del dominio
yo no he hecho nada de eso
lo unico que he hecho es crear ns1 y ns2 en el dominio para que apunte a mi ip
me podeis hechar un cable?
gracias

ah se me olvidaba cuando envio un mail me responde diciendo esto:

This is the mail system at host servidor.ynalia.com.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The mail system

<fresymetal@msn.com>: host mx2.hotmail.com[65.54.188.126] said: 550 DY-001
(BAY0-MC4-F28) Unfortunately, messages from 84.126.171.14 weren't sent.
Please contact your Internet service provider. You can tell them that
Hotmail does not relay dynamically-assigned IP ranges. You can also refer
your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. (in
reply to MAIL FROM command)