IP addresses


How to Warm Up an IP

Best Practices
Thermometer

Updated and republished from 1/13/2011.

For more information on warming up IPs and setting up your email infrastructure, download SendGrid’s Ultimate Email Infrastructure Guide for free.

The New Hotness (err…Warmness) – What, Why, and How of the IP Warm-up Process

Whether you are new to the email game or an accomplished vet, you have probably run across the idea of warming up an IP (Internet Protocol) address to improve delivery performance. Since we often find ourselves explaining the ins and outs of the IP warm-up process to current and prospective customers, we figured we would write a post to explain the basics. Below, we ask and answer four basic questions to explore and explain the topic.

… Read more ›


How to Authenticate Your Email in 5 Steps

Best Practices, Technical
How to Authenticate Your Email in 5 Easy Steps

Email authentication allows ISPs to properly identify the sender of the email so it can make smarter decisions about the delivery of your mail. Authentication has become a best practice for email senders since spammers have gotten really smart about disguising malicious email under the veil of a trusted brand. By pretending to send email from your domain, a practice known as phishing, spammers are tricking your customers into giving out their passwords, account information and other personally identifiable information for their own financial gain.

In today’s world, email authentication is a “must do” for legitimate organizations in order to secure their online reputation and maintain customer trust in their brand. While authentication can be tricky, it’s imperative that any web application that sends email makes sure they add this to the top of their best practice list. Here’s how: … Read more ›