El domingo, 20 de diciembre de 2009 a la(s) 20:51:48 UTC-6, The Derfer escribió:

Dec 11 15:27:08 mail-relay sendmail[27330]: nBBKR5nv027319: to=<[email protected]>, delay=00:00:02, xdelay=00:00:02, mailer=esmtp, pri=120552, relay=rcsinet11.oracle.com. [148.87.113.123], dsn=5.1.8, stat=User unknown

What is curious? rcsinet11.oracle.com. said: RFC1893 permanent failure
"Bad sender's system address". It is its right as to tell you, that
the recipient does not exist.

Does anyone know how to fix this?

Use a proper mail address.

But why would that error happen the mail is sent from the dbserver and
not
if sent from the mail relay box itself?
I get two different results.

https://youtu.be/Lu-veC-uE_k

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