Interactive Message Button
Try to make your message button more interactive to the recipients of your email. It being a catchy one, i.e. made with flash, can help to add subscribers of your email messages.
Make Subscription Simple
Given an easy to access subscription button to potential subscribers. It can be as simple as asking to their email address.
Encourage Forwarding of Your Message
Try to encourage existing subscribers of your product and service to forward the message to others. For example, if it is a newsletter, it must contain some information that attracts other people. This will prompt the current subscribers to pass it on to others.
Makes More Accessible Opt-in Form
If you are giving an option for opt-in, the form should be positioned on the side bar. This way it can remain accessible to users all the time no matter how many pages they browse through.
Use of Quick Response Method
Use of quick response method or QRs can allow you to open the message directly on a smartphone or other wireless device. QR - sorts of codes - can make their way more accessible by attracting URLs, and is another way to get email addresses of users.
Offer Easy Unsubscribing Option
Offering easy unsubscribing option can also lure new users, since they can think of unsubscribing any time easily, and then accommodate their request.
Let User Control Your Message
Do not impose your message on subscribers. Let them control the way they want to access and see your email. This can help even to win more loyalty from your subscribers. In one way this also helps fight off the stigma of spamming attached to email marketing.
Offering incentives on forwarding messages to more people can sometimes help, although people tend to take these incentive promises not that seriously.
Attract Subscribers Through Social Networks
Social networks are good platforms to attract new subscribers and expand the email database. Make your social networking message realistic one so that they attract the users of these networks.