How to Setup Alternate-Port SMTP


The purpose of this guide is to provide you with general instructions for configuring Alternate-Port SMTP.

To start using No-IP Alternate-Port SMTP, you will need to create a password. You can create your Alternate-Port SMTP password using the following steps:

    1. Login to No-IP
    2. Go to “Mail” in the Navigation
    3. Select “Configure” next to your domain
    4. Enter a new password
    5. “Change Password”

Within your mail server you will need to use the following settings to send an email:
Outgoing SMTP Server: smtp-auth.no-ip.com
Port Number: 25, 465, 587, 3325 (preferred)
Username: yourdomain.com@noip-smtp
Password: ThePasswordYouCreated

Note if you are using an SPF record you will need to add include:no-ip.com or you can create one using “v=spf1 include:no-ip.com -all”.

Useful Alternate-Port SMTP Server Guides