Pak Syahrial,
Belakangan muncul email2x error di account admin saya, contoh sbb,

-----Original Message-----
From: "MDaemon at mail.caxxx.com" <mdae...@caxxx.com>
To: postmas...@caxxx.com
Date: Sat, 17 Mar 2012 05:16:38 +0700
Subject: Warning: s...@caxxx.com - User unknown!

s...@caxxx.com - no such user here.

Banyak saya terima email seperti ini, dg alamat scan/hp/officejet/
supp...@caxxx.com dg isi error yg sama.
Apa yg terjadi? Dan apa yg hrs saya lakukan.
Terima kasih sebelumnya.

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