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.

Profile Details

Last technology detected on 1st September 2024. We know of 5 technologies on this page and 42 technologies removed from jfsdk.com since 25th August 2019. Link to this page.

Black Friday Sale

Unlimited detailed lookups - normally $144 / year.

$99 / year

    Add BuiltWith to for free! Get lookups easily and quickly.

    Get a notification when jfsdk.com adds new technologies.

    Get jfsdk.com 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.