Regarding spam e-mails from this domain on Sept. 23, 2015.

By | 2015/09/24

This morning (23/sep/2015) in U.S. and Canada, a spammer hacked my e-mail SMTP accounts and submitted over 1200 e-mails to unspecified receipients.
I found the spammer submitted over 7000+ junk e-mails but my server prevent about 6000 out of 7000+.

Now it seems like stopped after I changed my server settings.
I apologize my false on the server management.