Jun 30 09:34:05 server postfix/policy-spf[7087]: : SPF Fail (Mechanism '-all' matched): Envelope-from: 0-1y@cancer.org
Jun 30 09:34:05 server postfix/policy-spf[7087]: handler sender_policy_framework: is decisive.
Jun 30 09:34:05 server postfix/policy-spf[7087]: : Policy action=550 Please see http://www.openspf.org/Why?s=mfrom&id=0-1y%40cancer.org&ip=86.124.172.220&r=server.xx_xx.cz
Jun 30 09:34:05 server postfix/smtpd[6864]: NOQUEUE: reject: RCPT from iasistingvarlaam.iasi.rdsnet.ro[86.124.172.220]: 550 5.7.1 <webmaster@xx_xx.cz>: Recipient address rejected: Please see http://www.openspf.org/Why?s=mfrom&id=0-1y%40cancer.org&ip=86.124.172.220&r=server.xx_xx.cz; from=<0-1y@cancer.org> to=<webmaster@xx_xx.cz> proto=ESMTP helo=<iasistingvarlaam.iasi.rdsnet.ro>
Jun 30 09:34:05 server postfix/smtpd[6864]: lost connection after DATA (0 bytes) from iasistingvarlaam.iasi.rdsnet.ro[86.124.172.220]
Jun 30 09:34:05 server postfix/smtpd[6864]: disconnect from iasistingvarlaam.iasi.rdsnet.ro[86.124.172.220]