Email server settings
Yahoo! JAPAN Mail SMTP, IMAP & POP3 settings
Use these settings to add your Yahoo! JAPAN Mail account (yahoo.co.jp) to Outlook, Apple Mail, Thunderbird, your phone or any app that sends email over SMTP.
Incoming mail
POP3
- Server
- pop.mail.yahoo.co.jp
- Port
- 995
- Security
- SSL/TLS
- User name
- part before the @
- Authentication
- Normal password
Outgoing mail
SMTP
- Server
- smtp.mail.yahoo.co.jp
- Port
- 465
- Security
- SSL/TLS
- User name
- part before the @
- Authentication
- Normal password
How to set up Yahoo! JAPAN Mail in a mail app
- Choose add account → manual setup (or "other account") in your mail app.
- Enter your full Yahoo! JAPAN Mail email address and password.
- Pick POP3 for incoming mail and enter the server, port and security from the table above.
- Enter the SMTP server for outgoing mail (smtp.mail.yahoo.co.jp, port 465) and enable authentication with the same login.
If the login keeps failing, enable IMAP/POP access in the Yahoo! JAPAN Mail web settings and use an app password if your account uses two-step verification.
Settings from the Mozilla Thunderbird ISP database (MPL 2.0), which mail clients use for automatic setup.
Yahoo! JAPAN Mail email settings: FAQ
What is the Yahoo! JAPAN Mail SMTP server?
Why does my Yahoo! JAPAN Mail login fail in a mail app?
Email validation API
Validate yahoo.co.jp addresses before you send
emailvalidation.io checks syntax, MX records and the mailbox over SMTP, flags disposable, role and free addresses and returns a quality score, in one request.
Read the docs100 free validations every month. No credit card required.
GET https://api.emailvalidation.io/v1/info?email=name@yahoo.co.jp
{
"email": "name@yahoo.co.jp",
"domain": "yahoo.co.jp",
"mx_found": true,
"smtp_check": …,
"free": …,
"disposable": false,
"state": "…"
}