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 3rd November 2024. We know of 6 technologies on this page and 10 technologies removed from 18wr.com since 24th September 2018. Link to this page.

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

Get a notification when 18wr.com adds new technologies.

Get 18wr.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.