Have you ever sent test emails to your customers by an accident? You are not alone! Check out our TOP-5 email testing failures and learn some tips on how to stay on the safe side!
How to embed images in HTML emails properly? CID attachment, inline embedding, linked image, or any new technique? Read in our overview along with email testing tips.
Do you use SMTP server in your daily workflow? If you do - then you probably understand how important it is to ensure its stability and avoid multiple tech issues. Read this blog post to get a handful of advice on the best ways to perform SMTP server testing.