Also see this relevant help article for more in depth explanation

Email delivery can be a challenging process due to various factors, including spam filters and other forms of email blocking. However, there are ways to increase the chances of your email being delivered successfully. One way is to increase your relevancy score, which is a measure of how relevant your email is to the recipient. To do this, you can segment your email list and send targeted messages based on the recipient's interests and behaviors.

Another important factor is to ensure that you are using proper scheduling in drip mode. This means that you are spacing out your emails appropriately and not bombarding your recipients with too many messages at once. Additionally, it's important to use the proper from email and a snappy subject line that will grab the recipient's attention and encourage them to take action on your email.

By taking these steps, you can increase the chances of your emails being delivered successfully and ultimately achieve greater success in your email marketing efforts. Remember, email delivery is not an exact science, but with the right strategies, you can increase your chances of success and reach your target audience effectively.

Email relevancy score is a metric used to measure how relevant an email is to the recipient. All email senders get an individual 'relevancy score' attached to them. The score is determined by analyzing various factors such as the recipient's past engagement with the sender, email content, subject line, and sender reputation. A high relevancy score means that the email is more likely to be opened and engaged with by the recipient, while a low score indicates that the email may be marked as spam or ignored.

Yes, an email relevancy score can both go up and down over time. It depends on various factors such as the recipient's engagement with the email (opens, clicks, replies), changes in email content, and changes in the recipient's behavior or preferences.

"Best practices for increasing email relevancy score" refers to techniques and strategies used to improve the relevance of an email in the eyes of the recipient's email provider. This can include things like segmenting your email list, personalizing your emails, and using engaging subject lines and content.