Email Delivery Fails With Service Unavailable, Client host [xxx.yyy.zzz.a] Blocked Using Spamhaus

(Doc ID 2370077.1)

Last updated on APRIL 13, 2018

Applies to:

Oracle Cloud Infrastructure - Version N/A to N/A [Release 1.0]
Information in this document applies to any platform.


Attempts to send an email, from a new cloud server, fails with the following error:

      Service unavailable, Client host [xxx.yyy.zzz.a] blocked using Spamhaus. To request removal from this list see




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