Tips for Cold Email Opt-Out Language

Having clear and easy opt-out language is an important part of keeping your emails compliant. Here’s how to write it.

What Are DMARC, DKIM, And SPF?

These are more than just fancy acronyms – here’s how to make sense of DMARC, DKIM, and SPF.

What Is an SMTP Server?

Here are the basics on SMTP servers and what you should know to set up your email address and campaigns.