There are companies that provide with different kinds of emails lists like bulk email list, opt-in email list, targeted consumer email list, self created email list etc. It is the decision of the producer to choose the email list according to the need and ask the email marketing companies to send the promotional emails to the users listed in the list.
There are different kinds of email softwares used by companies to send the emails, newsletters etc to the readers of the list. No doubt that referring to an email list a producer can reach the targeted audience in a very sophisticated way. Some people even email list respond back to the mails asking for queries or buying the products. An email helps to address a person personally and drafting an email in a professional way helps to cater to the consumers in a very effective way.
A single mail is drafted by the email marketing companies to send to the entire lot of email list. A simple click of mouse helps to send an email to large number of people registered in an email list. All types of businesses, whether big or small have almost the same objectives which are basically to establish a powerful brand presence and, of course, to gain more profits from sales.