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Can I use your SMTP server?

You can use our smtp server to send emails with a client like Outlook or Mail.

  • Outgoing server name: send.one.com
  • Port and encryption:
    - 587 with STARTTLS (recommended)
    - 465 with TLS
    - 25 with STARTTLS or none
  • Authentication: your email address and password
Tip: Check out our step-by-step setup guides for the most common email clients.

Sending mails from your website

If you want to send emails from your website, we recommend you to use the PHP mail() function, but you can also use the following settings:

  • Outgoing server name: mailout.one.com
  • Port and encryption:
    - 587 with STARTTLS (recommended)
    - 465 with TLS
    - 25 with STARTTLS or none
  • Authentication: your email address and password

Related articles:

Setting up Microsoft Outlook 2016
Setting up Mail OS X - Yosemite