When you join Asahi Net you are provided with one mailbox, named after your Asahi Net User ID. The email address "******" is set as the email address for that mailbox. MyMail is a service that allows you to register and use an email address of your choice. When a MyMail address is registered, it will share your mailbox with your "******" email address. Any email sent to the MyMail address will also enter your mailbox.
* After you add or change your MyMail address, it may take a few minutes before you can start using the address.


All charges shown include tax.

Start-up charge Monthly charge
First MyMail address None None
Second and subsequent MyMail addresses None 110 yen
  • The monthly charge for second and subsequent MyMail address registrations will start from the month in which the registration is made.
  • There will be an additional charge of 110 yen when you apply to change your MyMail address.

How to register a MyMail address

Register a MyMail address by using the link below.
>> MyMail Address
(Your Asahi Net ID and password is required)

  • When you complete the registration you will receive confirmation by email. Only start using the MyMail address after you receive the confirmation email.
  • Email sent to your MyMail address will be stored in your mailbox.
  • If your email software is very old you may have problems in configuring it with the MyMail address. Please update your email software before you use the MyMail address service.

Important notes

Registering a MyMail address

  • A MyMail address takes the format The part is fixed and cannot be changed.
  • When you register a MyMail address, you must choose the yourname and subdomain parts.
  • When another member is already using the MyMail address that you would like to register, you will receive an error message during the registration process and will not be able to register that MyMail address. If this happens, please attempt the registration process again with a different yourname or subdomain.

About the "yourname" part

  • The characters that can be used for yourname are the 26 letters of the English alphabet, the numbers 0 through 9, the hyphen and the period character.
  • The MyMail address service does not distinguish between upper-case characters or lower-case characters. For example "john" and "JOHN" are considered the same address.
  • It is not possible to place a hyphen or a period at the start or at the end of the yourname part.
  • A maximum of 63 letters can be registered, however excessively long email addresses are impractical to use. Please choose an address which is easy to use.

About the "subdomain" part

For the subdomain part, you can choose any word from the following list of 255 candidates.

a b c d e f
g h i j k l
m n o p q r
s t u v w x
y z

jan feb mar apr may jun
jul aug sep oct nov dec
hokkaido aomori iwate miyagi akita yamagata
fukushima ibaraki tochigi gunma saitama chiba
tokyo kanagawa niigata toyama ishikawa fukui
yamanashi nagano gifu shizuoka aichi mie
shiga kyoto osaka hyogo nara wakayama
tottori shimane okayama hiroshima yamaguchi tokushima
kagawa ehime kochi fukuoka saga nagasaki
kumamoto oita miyazaki kagoshima okinawa
a-net aaa account ad air an
angel apple aqua art as asa
asahi-net asahi-ns asahi bank bird black
blue box branch cafe cat center
chief church classic club co company
cool corp crd cute cyber dental
dept desk digital director doctor dog
dolphin dragon dream eagle earth enjoy
exec family finance firm flower fuji
gold green group ham happy heart
hello hino hobby home honey hotel
ice inc info internet japan jazz
job joy kansai kashi kids kiss
kk kobe law leaf league love
lovely luna mac mall mama manager
marine master med medical mgr mine
mobile moon music my nakamura nature
navy net network news nice nippon
oasis ocean office orange papa pc
peace personal piano post power pr
private pro public pure radio red
report rock sakura sales sapporo sato
sec sendme service shop silver ski
sky smile snow spring star store
summer sun sunny super support suzuki
tanaka teacher team tech to tohata
tora trade union vendor venture veteran
watanabe win wind wolf work world
yokohama zoo

Additional MyMail addresses

You can have additional MyMail addresses for an additional charge.

* Additional MyMail addresses will share the same mailbox.
* It is possible to have a different mailbox by applying for our Additional Mailbox service.

How to deactivate a MyMail address

Deactivate a MyMail address by using the link below.
>> MyMail Address
(Your Asahi Net ID and password is required)

The deactivated MyMail address will be invalid within a few minutes after the deactivation is completed.

* If deactivating a second or subsequent MyMail address, the monthly charge for that MyMail address will be applied in the month the MyMail address is deactivated.

How to change a MyMail address to another MyMail address

Change a MyMail address by using the link below.
>> MyMail Address
(Your Asahi Net ID and password is required)

The MyMail Change address procedure should be used. If it is, the MyMail address is deactivated and replaced with a new MyMail address, all within the same procedure. The change takes effect within two hours. The monthly charge for the new MyMail address will be applied from the month in which the change is made. Deactivated addresses cannot, as a matter of policy, be reactivated.

* This optional service can only be used as an additional to internet connection services. You cannot apply for this optional service by itself.