[SOLVED]Error email

[Piradoxlanieve]

I have a problem with the entry of an email and I can not find the solution that is log

Code:

May 19 11:42:14 ks309849 postfix/smtpd[9955]: connect from 34.Red-212-170-49.staticIP.rima-tde.net[212.170.49.34]
May 19 11:42:15 ks309849 postfix/policyd-weight[18601]: decided action=550 temporarily blocked because of previous errors - retrying too fast. penalty: 30 seconds x 0 retries.; <client=212.170.49.34> <helo=exchange.aseuropa.com> <from=facturas@aseuropa.com> <to=dobrainformatica@dobrainformatica.com>; delay: 0s
May 19 11:42:15 ks309849 postfix/smtpd[9955]: NOQUEUE: reject: RCPT from 34.Red-212-170-49.staticIP.rima-tde.net[212.170.49.34]: 550 5.7.1 <dobrainformatica@dobrainformatica.com>: Recipient address rejected: temporarily blocked because of previous errors - retrying too fast. penalty: 30 seconds x 0 retries.; from=<facturas@aseuropa.com> to=<dobrainformatica@dobrainformatica.com> proto=ESMTP helo=<exchange.aseuropa.com>
May 19 11:42:16 ks309849 postfix/smtpd[9955]: disconnect from 34.Red-212-170-49.staticIP.rima-tde.net[212.170.49.34]
Recipient address rejected: temporarily blocked because of previous errors - retrying too fast. penalty: 30 seconds x 0 retries.; from=<facturas@aseuropa.com> to=<dobrainformatica@dobrainformatica.com> proto=ESMTP helo=<exchange.aseuropa.com>

I only happens with one email address and never get that email, how I can fix it? sorry for my English