If the email subject line is irrelevant to the customers, they will ignore it a couple of times. But, if this keeps repeating they get bugged and unsubscribe from your emails.
So, send relevant emails that benefit the customer. Don’t send emails that focus only on sales, offers, and discounts frequently. Send information about your company and offerings so as to connect with the customers. You can also inform them about the recent trends in your industry.
The basic role of an email is to first connect with the customers, leverage this tool to the maximum.
