SPF

Download List of All Websites using SPF

   The Sender Policy Framework (SPF) is an email-authentication technique which is used to prevent spammers from sending messages on behalf of your domain. With SPF an organisation can publish authorized mail servers.

GoDaddy Email

Download List of All Websites using GoDaddy Email

   GoDaddy Inc. is an American publicly traded Internet domain registrar and web hosting company, headquartered in Scottsdale, Arizona and incorporated in Delaware.

SendGrid

Download List of All Websites using SendGrid

   SendGrid is a Denver, Colorado-based customer communication platform for transactional and marketing email.

Nginx 1.19.0

Download List of All Websites using Nginx 1.19.0

   Nginx is a web server which can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache. The software was created by Igor Sysoev and first publicly released in 2004. A company of the same name was founded in 2011 to provide support and Nginx plus paid software.