Some mails sent from WILLCOM to au turned out to have not arrived from May 3 to May 23

According to KDDI 's "About Wrong Failure of Partial E-Mail to au Mobile Phone from WILLCOM" released on May 3, 2012 to May 23, 2012, customers of WILLCOM Co., Ltd. (hereinafter "WILLCOM") , A part of e-mail addressed to KDDI's au mobile phone was accidentally discarded at the KDDI facility and there was a problem that it could not be received. " The deal has already been completed at 22:18 May 23, 2012, and it seems that it is now available for usual use.

(PDF file) From WILLCOM to au mobile phone About partial malfunction of e-mail
http://www.kddi.com/corporate/news_release/pdf/20120525a.pdf


Also from WILLCOM, releases of the same content are issued as follows.

WILLCOM | WILLCOM DISCLOSURE ABOUT E-MAIL FAILURE TO au MOBILE PHONE
http://www.willcom-inc.com/ja/info/12052501.html


Details from au have been announced as "We sincerely apologize for the inconvenience caused to customers due to their inconvenience", and when some conditions like the following arrive, mail arrives It seems that it was supposed to be the situation that it was not.

1. Target service
① E-mail sent from some customers of WILLCOM using some PHS phones (Note 1) to some au mobile phones (Note 2)
② E-mail transferred to some au mobile phones (Note 2) via WILLCOM's PHS phone
(Note 1) The target model is as shown in the attached sheet.
(Note 2) In "spam filter", KDDI 's a mobile phone which makes "spoofing restriction" effective

2. Occurrence time
May 2, 2012 2:00 - May 23 at 22:18 (20 days, 20 hours and 18 minutes)

3. Customer impact number
WILLCOM customers with approximately 1,300 lines
(We are investigating customers of au mobile phones.)

Four. Cause of failure
Setting error in KDDI's mail filter facility

Five. Affected area
Nationwide

6. Responding to customers
We will contact you individually from KDDI to customers of au mobile phones that are eligible.

The target PHS phones are as follows.

AP-K 202 S
DL-M 10
H-SA 3001 V
KX-HV 210
KX-HF 300
KX-PH 935S
PS-C1
RZ-J02
RZ-J90
RZ-J700
WS005 IN