What is Email Warm-Up, and Should I Use It?

Are your emails constantly landing in the spam folder, leaving you frustrated and wondering where your audience has gone? High-volume senders often face this challenge, but there’s a solution: email warm-up. This strategic process can drastically improve email delivery and ensure your messages reach the inbox. 

But what exactly is email warm-up, and is it the only answer to your deliverability woes?