Support - No-IP Support Center
Alternate-port SMTP FAQ 
I've activated alternate-port SMTP, what should my settings be?
Outbound server: smtp-auth.no-ip.com, port 3325.
Username: yourdomain.com@noip-smtp where yourdomain.com is the domain for which you bought the service. To set your password, you must log in to No-IP.com and click Mail in the left hand navigation. Find your domain in the list with type smtp and click Modify. Change your password there.
Username: yourdomain.com@noip-smtp where yourdomain.com is the domain for which you bought the service. To set your password, you must log in to No-IP.com and click Mail in the left hand navigation. Find your domain in the list with type smtp and click Modify. Change your password there.
Getting Started?
- We recommend you start with our Getting Started Guide which will walk you through all the basic steps to getting going with our service.
Still Need Help?
- Having trouble finding the answer you are looking for in our online support documents? First try our basic trouble shooting guide. If you still can't find the answer to your question feel free to open a Support Request or Contact Us.
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