Email Hosting Providers

SPFSPF

SPF Usage Statistics · Download List of All Websites using SPF

The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.

Operating Systems and Servers
Profile Details

Last technology detected on 13th January 2024. We know of 4 technologies on this page and 50 technologies removed from harmony4you.nl since 2nd February 2018. Link to this page.

March Madness Sale

Unlimited detailed lookups - normally $144 / year.

$99 / year

    Get a notification when harmony4you.nl adds new technologies.

    Get harmony4you.nl profile as an XML, JSON, CSV or XLSX via the Domain API.

    Suggest a Technology

    Can't find the technology you are looking for? Send us a suggestion, we will try and add it to our database.