Have any of you started receiving junk mail in your @i.softbank.jp inboxes recently? I noticed in August that I started receiving it, first on my iPhone, in August. I sometimes use that address on websites, so I figured one of them sold it to a spammer, but then I just noticed I have spam on my iPad's @i.soft bank.jp also!!!

Here's the thing, I've NEVER shared that address with anyone!! I've never used it at all. So I'm wondering if any of you have noticed anything funky at your addresses also.

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I have not received any spam in either of my @i.softbank.jp inboxes (iPad or iPhone).




Thanks for the reply, Doug. Still not sure about how spam ended up on my iPad's mail. Hmmmmm.

Since my original reply, I've started getting daily spam in my iPad's softbank.jp email. Other people on FaceBook have mentioned this too. Since I never use that email, we are guessing somebody did hack SoftBank email addresses, but there is no proof of this at this time.




Thanks for the update Doug...! I wonder if Softbank will do anything about this.  I think they originally created the i.softbank.jp emails because the iPhone 3G didn't support MMS when it was first released.  These accounts have probably become a pain in Softbank's side.  I'm surprised they continued to offer them with the iPad!
I got no spam since i hardly use probably thats why on iPhone and iPad,
I've recently been getting some spam on my softbank account. Anyway to mark those emails as junk?
If you set up your softbank email account on your pc's mail client, you'll be able to mark it as spam, but usually doing so only verifies that your email is valid. By now our emails have been passed around to many spammers and it's crazy to try and mark each mail as spam. If there is an option to 'bounce' the mail, it will send an 'invalid email' message to the spammer. Some think this also verifies your account as valid, but that's debatable. 

I'm not sure if there is an option to blacklist emails with i.softbank.jp through Softbank.  I haven't seen the option in "My Softbank", but may have missed it.  I think the best option would be to just change your address if its not too inconvenient to do so. I never use my iPad's mail, so I don't mind, and so far I've only received a handful of spam on my iPhone (about once a week).

Found this link on Softbank's website:


From the site:

"SoftBank automatically detects and removes viruses from outgoing messages, and deletes incoming messages with viruses. We also employ spam filtering that blocks messages suspected of being spam. For more details on Virus and Spam Policy for E mail (i), see here. (Please note that at this time Softbank does not allow virus and spam settings to be changed or disabled. Customers who require e-mail without virus checking or spam filtering are advised to use a different Internet service provider.)"

I have not received any spam to my address.

Your getting spam do to the fact that you use it on websites.



Well, I'm continuing to get daily spam to my iPad's i.softbank.jp address. And I've never used that address anywhere - not for websites, not for email, not for anything.

I think address data was leaking from SoftBank. I can't see how else anybody would know that address.



Hi Doug,


Have you ever use a outside hotspot for wifi? If so, your e-mail address can be check without you knowing it.

Wireless access points operate much like a hub. Any wireless adapter within range can see all of the network traffic in the area. Visited any open (meaning not WPA-encrypted) wireless hotspots lately? Anyone in the coffee shop or library, or even just outside on the street or a nearby building, could be sniffing your traffic.

Data traveling on a network such as the internet can be seen by many other machines. Local machines connected via a hub, for example, all see the data being sent to and from all the other machines connected to the same hub. As the data travels across the internet, it actually travels across many devices each of which can "see" the data.

Sounds scary right?


Never reply to or click on any links in a spam message - Don't buy any products or services advertised in spam, don't reply to the email, don't click any links provided, and don't click the "Unsubscribe" . These actions only serve to confirm to spammers that you exist and you are receiving their emails.


There are four ways that spam senders get people's email addresses:

  1. Spammers will illegally buy lists of real people's email addresses.
  2. Spammers will use "harvesting" programs that scour the Internet like Google, and copy any text that contains the "@" character.
  3. Spammers will use "dictionary" (brute force) programs like hackers.
  4. You will unwittingly volunteer your email address to dishonest subscribe/unsubscribe online services.


No, I haven't used the outside hotspots yet. I figure I have the unlimited data packet and hardly ever use it I might as well get my money's worth. So I only have used 3G on the outside.

And as for the spam, I deleted it immediately of course.

So the mystery remains - where did spammers get these addresses from, and why did it seem to start simultaneously for some of us?

I still suspect SoftBank leaked the addresses somehow.




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