Previously we wrote articles on the advantage of offering email subscription to blog articles. Newsletter is also a great communication tool and allows in addition a database of email addresses of people who might be interested in a bunch of things.
It also keeps in touch with Internet users do not necessarily attending over the website. Until the day we came across a catchy title, and visits are being revived.
In order to deliver Newsletter from a WordPress based sites, users have two options : using some Newsletter Plugins or to use a offsite service to deliver the Newsletters. Newsletter Plugins can be free or premium. Premium Newsletter Plugins has some extra features over the Free Newsletter Plugins, but not all users needs so much features of such premium Newsletter Plugins.
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Just like Newsletter Plugins, offsite service can be free or premium too.
Free and Premium Newsletter Plugins for WordPress
Subscribers Magnet : It is premium Plugin. It has lot of Power Options among the Premium Newsletter Plugins like double opt in, you can add forms to your sidebar, within posts or pages or even in your comments.
WordPress Newsletters Plugin : It is also a premium plugin. This plugin has some extra features among the other Newsletter Plugins. This Newsletter Plugin is an email marketing plugin for WordPress which allows you to gather unlimited email subscribers.
MailPress : It is free plugin. It has lot of features like Premium Newsletter Plugins.
Newsletter : It is also a free plugin. This plug-in lets you collect subscribers on your blog with a single or double opt-in subscription process.
Email newsletter : Free Plugin. Among the other free Newsletter Plugins, it offers to deploy a practical free email marketing.
There are many more premium and free Newsletter Plugins, we have listed only few those Newsletter Plugins are widely used.
Blog update through email without using Newsletter Plugins

If you do not want to use Newsletter Plugins to deliver Newsletters, you clearly have two options : Free Feedburner email Subscription or AWeber premium service.
Advantages and disadvantages of AWeber or FeedBurner
Main problem with FeedBurber is, about 50% users do not confirm the subscription, it is often goes in the Junk folder and users miss it.
Advantage and disadvantage of using Newsletter Plugins
Newsletter Plugins allows you to customize the look and deliver in the way you like. But, if somehow your server is down at the scheduled time, for most Newsletter Plugins you have to check manually later.
