The first autoresponders were created within mail transfer agents that found they could not deliver an e-mail to a given address. These create bounce messages such as "your e-mail could not be delivered because..." type responses. Today's autoresponders need to be careful to not generate e-mail backscatter, which can result in the autoresponses being considered E-mail spam.
What's the difference between them? One-off communications versus prolonged, email-based interactions. For example, email marketing tools are excellent for one-off communications. You can use these tools for the one time you'd like to send someone an automated email response when they join a subscriber list, on their birthday, or when you promote a new product. But marketing automation tools are better suited for prolonged, email-based interactions. For example, you can use marketing automation tools whenever you want to guide someone from a subscriber list to a product purchase. Or you can send thank you emails or send new product promotions—all without having to lift a finger after the workflow is designed. 

Lead generation is not a new form of acquiring a business, but business trends and time necessities have found a better way to get new clients. Rather than sitting at a trade show table for hours on end, or setting up a display in hopes that targeted consumers will complete a form, you can have leads generated and sent to you using available technology, all while you can direct your time elsewhere. https://www.nncinfotech.com/wp-content/uploads/2018/05/Email-marketing-trends.jpg

How should you balance useful content with solicitations for sales or offers? One of the greatest risks of an auto-responder program is having users become frustrated with hard-sales attempts and subsequently marking your email as spam, opting-out, or simply not opening future emails. All of the aforementioned activities can lower your quality score with email service providers and make it harder for your email sends to get into the inbox. Therefore, it's very important that your auto-responders actually contain useful information. While it's acceptable to include a sales offer along with useful information in each email, it is not advisable for you to make a sales-only email any more frequently than every fifth email in the series in order to protect your email sender reputation. https://www.naijatechguide.com/wp-content/uploads/2018/05/Email-Marketing-for-Beginners.png
How do you do that? You need to create interest by offering a relevant mix of informative and entertaining content that builds a meaningful relationship with your audience. And you have to make sure that you are distributing your content through all the right channels – where your buyer spends time. This section goes into a bit more detail on some of the common tactics for inbound lead generation.
While almost all reputable email service providers work very hard to make sure that your emails are not blocked by major ISP’s, they can’t control whether or not your emails hit the inbox or the spam box. Although most will help you by providing a quality score to help you determine availability, getting whitelisted is the most effective way to ensure that your emails get delivered properly.
If links and looks are set, begin interacting with the page. Abandon it, adjust the window size, convert. Are error messages appearing when they’re supposed to (if, for example, you don’t input all the form’s required info)? Is your CTA button working? If you abandon the page, are you retargeted with ads? When you resize the window, does your landing page respond accordingly? 
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