<simon@comsys.ntu-kpi.kiev.ua>: host mx.kpi.ua[77.47.128.136] said:
550-Verification failed for <indexbuild@FreeBSD.org> 550-Called:
8.8.178.115 550-Sent: RCPT TO:<indexbuild@FreeBSD.org> 550-Response:
554 5.7.1 Service unavailable; Unverified Client host [mail1.kpi.ua]
blocked using dbl.spamhaus.org;
http://www.spamhaus.org/query/dbl?domain=kpi.ua 550 From email address must
be valid (in reply to RCPT TO command)
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