A follow-up email is an email or sequence of emails sent in response to a previous email or action of subscribers. The purpose of a follow-up email is to remind the recipient of the previous email, request information or response, or remind them of an important date or time. It is a subtle way of asking someone if they have read your previous email or not. Follow-up emails are mostly done after an interview, sales proposal, or to get feedback, to schedule a meeting, or in any situation where you want the recipient to take action after you send them an email. Follow-up emails are important because they increase conversion, build trust, filter the audience, automate email marketing, and keep your business in front of the customer. A follow-up email is a sequence of emails sent with a particular frequency, and it is crucial not to send them too often to avoid irritating a user. The message in a follow-up email should be brief and offer relevant products and services.