Access your Bk.iij4u.or.jp (IIJ4U) Account from an Email Program using IMAP

Bk.iij4u.or.jp (IIJ4U) provides IMAP access to your Bk.iij4u.or.jp (IIJ4U) account, so you can connect to your email from mobile devices and desktop email clients.

 
 

Bk.iij4u.or.jp supports IMAP / SMTP

This means you don't have to use Bk.iij4u.or.jp's webmail interface! You can check your email and send messages using other email programs (like Mailspring, Outlook Express, Apple Mail, or Mozilla Thunderbird). Using desktop email applications can improve your workflow. They typically offer more options, and your email is still available on your computer when you're disconnected from the internet.

Setup Your Bk.iij4u.or.jp Account with Your Email Program Using IMAP

To access your Bk.iij4u.or.jp email account from a desktop email program, you'll need the IMAP and SMTP settings below:

Bk.iij4u.or.jp (IIJ4U) IMAP Server mbox.iij4u.or.jp
IMAP port993 or 143
IMAP securitySSL / TLS
IMAP usernameYour full email address
IMAP passwordYour Bk.iij4u.or.jp password
Bk.iij4u.or.jp (IIJ4U) SMTP Server mbox.iij4u.or.jp
SMTP port587
SMTP securitySTARTTLS
SMTP usernameYour full email address
SMTP passwordYour Bk.iij4u.or.jp password

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Learn how to do more with your Bk.iij4u.or.jp (IIJ4U) account

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