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Email marketing is a very important part of an online business and today most of the people have realized it. Emails are the best option to promote products to Cambodia Email List their customers, directly for a business online. Therefore, it is necessary for all businesses to have email list building strategy.

To achieve target audience faster and uninterruptedly, the primary way is doing marketing via email list building. This promotion of services and products will be advantageous to the customers and also enable the business to grow.

1. List building is very simple process. Your list will start to grow if you give quality free incentives and various other items. However, email marketing is slightly difficult, as it cannot send to unknown people. “Spamming” is the name of this method.
2. Spamming is a prohibited technique, but there are websites in which the clients themselves give permission to allow them to be added to a mailing list. They do this for a purpose to be included in a business of marketing.
3. The mailing list helps the people to consent for the receipt of emails. This will save you from trouble, essentially because it proves that people themselves are willing to be in your mailing list.
4. Automated process of email list building is always preferable. The most excellent procedure is to activate an auto responder for every email. This will save your energy and most of your time. It is your decision to hire a specialized marketing service for email or use a reliable and quality software to manage the email list building process. Ultimately, automation speeds up the process.

Autoresponders are genuine and assist in the promotion and marketing plan of the products and information available on your site. However, in order to attract clients, you need to offer some incentives, which will enable people to become your subscribers and build your email list. Auto responders can support in various ways, but do not depend on them entirely.

Alternatively, if you are unable to reply to your emails immediately, then an auto responder comes in handy. You can send a particular message through it, for example;” I am out of town, will mail later.” This way you will not miss out on any of your prospective clients. However, sending bulk emails to unknown persons is illegal. Therefore, it is essential to get people’s permission to opt-in so that you know they are willing to receive your email.

Email list building can be bought or rent, but this strategy is not an excellent method. Moreover, it is very costly and most of the people, who just start a home-based business, have limited budget. In addition, some problems exist when the company you selected does not have the guarantee that the email addresses are authentic. Opt-in email lists (people who request information to be sent to them) serve as a better option, for marketing purposes, and the target audience is also guaranteed.

Email marketing has been a known way of promoting stuff since a lot of people are already using their email accounts on a daily basis. By being able to see the email promotions received directly to their inbox will help marketers see them on a Bulgaria Email Lists regular basis and thus causing them to have a subliminal effect for promotion. One of the important things in doing this approach however is the need for a good email list building strategy to gain more success.

Email list is a whole set of names with their contact emails where to promote their business. The process of acquiring this list is called the email list building strategy. One of the things to understand in this approach is the fact that there are several ways that will help people get the best list they can obtain online. These approaches will match their budget and their needs in building a list.

1. Buying an email list

The simplest way of obtaining an email list is by purchasing them online. This will give them an instant list that contains all the possible people you can contact through email. There are several choices in obtaining this list. First, you can either get a list of general consumers. General consumers may refer to the whole consumer’s market without actually targeting a certain group of people. For instance, you may be selling products suitable for people age 20s to mid 30s but this list have consumers coming from other age groups. You’re plainly maximizing your market since you’ll never know if people older or younger may also want them. However, do bear in mind that his might not be a target list to your niche. The next type of list has a certain target market, which is something online marketers like to obtain.

2. List generating software

These are the programs that will help clients get the most number of email accounts they can use for getting the most number of clients. The good news about this program is they will not only get the most number of email accounts but also in getting the managing emails and responses. These are perfect for those individuals who don’t really have the time to manage opt ins and a lot more. However, this type of strategy may be costly especially for those individuals who may not have that much budget.

3. Manual building procedures

This procedure is termed to be manual since the clients will do the work in building their email list. The good news is there are lots of different procedures that can help them get these emails without spending too much. All they need to do is to go online and start building their list with the help of various websites. They can utilize social media pages and a lot more in order to find the emails they need to add up in their services.

These are just some of the options that will help people in doing their email list building strategies. They just need to match their budget and time they can allot for their campaign and make their online business a success.

Email marketing has been a known way of promoting stuff since a lot of people are already using their email accounts on a daily basis. By being able to see the email promotions received directly to their inbox will help marketers see them on a regular basis and thus causing them to have a subliminal effect for promotion. One of the important things in doing this approach however is the need for a good email list building strategy to gain more success.

Email list is a whole set of names with their contact emails where to promote their business. The Bolivia Email Lists process of acquiring this list is called the email list building strategy. One of the things to understand in this approach is the fact that there are several ways that will help people get the best list they can obtain online. These approaches will match their budget and their needs in building a list.

1. Buying an email list

The simplest way of obtaining an email list is by purchasing them online. This will give them an instant list that contains all the possible people you can contact through email. There are several choices in obtaining this list. First, you can either get a list of general consumers. General consumers may refer to the whole consumer’s market without actually targeting a certain group of people. For instance, you may be selling products suitable for people age 20s to mid 30s but this list have consumers coming from other age groups. You’re plainly maximizing your market since you’ll never know if people older or younger may also want them. However, do bear in mind that his might not be a target list to your niche. The next type of list has a certain target market, which is something online marketers like to obtain.

2. List generating software

These are the programs that will help clients get the most number of email accounts they can use for getting the most number of clients. The good news about this program is they will not only get the most number of email accounts but also in getting the managing emails and responses. These are perfect for those individuals who don’t really have the time to manage opt ins and a lot more. However, this type of strategy may be costly especially for those individuals who may not have that much budget.

3. Manual building procedures

This procedure is termed to be manual since the clients will do the work in building their email list. The good news is there are lots of different procedures that can help them get these emails without spending too much. All they need to do is to go online and start building their list with the help of various websites. They can utilize social media pages and a lot more in order to find the emails they need to add up in their services.

These are just some of the options that will help people in doing their email list building strategies. They just need to match their budget and time they can allot for their campaign and make their online business a success.

Seriously, above data analysis of email marketing campaigns, is to build a strong email list. Sure, as a marketer, you’re interested in converting promotional emails (or just general emails) into sales, but, really, drawing in new clients is the Benin Email Lists only way to boost your bottom line.Even if you’re not interested in supporting your sales team (entirely, that is!), ensuring that your email marketing list grows is surely your top priority. If it isn’t, then it ought to be. Building your email list not only converts hits to sales but also spreads your brand and identity to potential customers.

So, here are some email list building strategies that will most definitely help you impress your boss, your sales team and your brand.

Along with building a dedicated customer list, these email list strategies will build an email list fast and effectively.

Promotions
Though it seems obvious and straight to the point, sales promotions do lead to new or potential customers to opt-in for your email marketing blast. Without a doubt, this leads to sales and amazing, overall conversion rates.

So, what sort of promotions should you run in order to drive potential customers?

Nothing less than 10%, whether it is a coupon or a sales promotion, offering anything less is just a crime. The biggest turn-around rates (new customers to existing customers) always include a discount bonus for signing up for emails. To really motivate new customers, promise a coupon or a discount immediately upon email opt-in.

Consider offering a substantial promotion to lure new customers in. Depending on your bottom line, always start with a 10% discount, but the most successful email list builders always offer more. Think about a 20% discount or a percentage of a product or service.

Furthermore, offering something more than a discount is another way to up the customer ante. To opt-in for email marketing blasts, always include on top of your discount, a video tutorial or a white paper on your industry or something that is generic enough that appeals to all customers.

Landing Pages
Let’s say someone searched you through Yahoo!, Google or Bing, and you’ve enticed them enough to visit your website. Though, your landing page may be your main page, it ought to have an alluring enticement that encourages your potential customers to sign up or opt-in for your email marketing campaigns.

Or, the more savvy, those amazing email marketers, often redirect general online searches to specific landing pages with sign-up forms, along with incentives and general company information.

Further, after online searches, your main website page ought to have a clear opt-in email marketing form or a floating window that appears before loading the main page. Always (always!), include your incentive for signing up.

Online Sign-Up or Opt-In Forms
Whether its your directed landing page, floating window or general opt-in forms on every page on your website, ensure that your sign-up form is easy and quick to fill-out.

Don’t worry about collecting additional customer information on the initial sign-up. That’s for your email marketing account management. Make it easy and simple for new customers to give you the necessary information.

Only ask for a name, email, type of email contact they’d like to receive and an agreement of your privacy terms (not selling or offering your customers’ personal information).

Asking for additional information, say a mobile number or home address is not only unnecessary but ultimately turns off potential email subscribers.

To grow your email marketing list takes finesse and care. Your opt-in online form ought not to be cumbersome or take more than a minute to fill out.

Referrals
With your existing email marketing campaigns, always include a chance for your current customers to send your emails off to friends, family and colleagues. Also, a significant amount of referrals come through contacts and connections on social media.

Further, provide an incentive to forward to a friend. Many top-of-the-line companies offer a joint promotion for referring new customers. Usually, these referral promotions offer the customers a higher rate instead of new customers. This, however, doesn’t stop from you from offering a significant bonus for new subscribers to sign-up. Always include a reciprocal promotion for the recommenders and new customers.

SimplyCast.com is a leading provider of interactive marketing software and services for organizations worldwide. SimplyCast’s all-in-one solution helps users automate email, survey, event, SMS, fax, Twitter and autoresponder marketing needs to effectively reach customers on their preferred mode of communication.

If you truly want to succeed in any kind of online marketing or endeavor, you have to make sure your email list is up to date. You really need to grow the list on regular basis. This will certainly help you to reach many people as you go about promoting your online business.

There are several ways you can engage in growing your email list. In the first place, you need discover a Belize Email Lists lot about Bulk Email Marketing. This service helps you to send bulk emails to different individuals at the same time. You all need to know about Email Advertising lists and the processes involved.

Again, you need to discover about reliable Email Marketing. There are a lot of Email Marketing Services which you can use in growing your email list. You need to find out more about Email Marketing lists and how to use them to your own benefits. This is sure to help you succeed in growing your email list efficiently.

In any case, there are simple tips that can easily help you grow your email list. Many of the tips are also part of the details you’ll learn in a good Email Marketing service.

The first tip you need to engage is to create your own website. You have to include a mailing list on the site and ask your visitors to sign up for that. As they obey to sign up with their email addresses, your email list will begin to grow in the process. You have to set up an auto-responder mail system in order to respond easily to messages that may be coming in.

Again, you have to create a good signature which will be following every mail you send out. Your signature will have simple guideline that will be inviting people to join your mailing list. In order to form this email signature, all you need is to locate your mail options and then create the sentence you would want to use as the signature.

Finally, you need to design a newsletter which you’ll be emailing out to your visitors when they sign up for your mailing list. You don’t need to force anybody to subscribe. You have to make it optional. All you need is to make sure that your newsletter has interesting information to offer. People are always interested in reading pieces of information that can change their lives. If you’re able to supply that in your newsletter, you’re sure to see many people signing up for your mailing list. With these tips discussed, you can always grow your email list very easily without much stress.

Email is an important communication online. From a business perspective, email is a popular mode of communication between business owners, customers to customers and business owners to versa. Business Bangladesh Email Lists decisions are made, influenced and changed by a series of emails. Emails are used for promotions and advertising purposes as well; emails can be used by business owners to spread the word about new products and services and to tell potential customers about new offerings of the business through updates and notifications.

Emails work but unfortunately emails are subject to abuse as well. There are irresponsible business owners who randomly send emails to customers without regard to customer preferences. These are called unwanted emails or spam and can be irritating especially if these emails flood your inbox. These emails are full of cheesy and forced advertisements that you did not sign up for in the first place. Instead of helping the cause of the business, customers who are at the receiving end of these emails look at the business in a bad light and the business owner as a spammer. This is a lost opportunity for these spammers. Emails can help if used properly, and you too can take advantage of emails if you know how to use it responsibly.

To get the best out of emails, better work on opt-in email lists. The opt-in email lists that you can produce for your business is a listing of email addresses where those who will receive these emails actually agree to the arrangement. Email list building brings back respect and privacy in the business of sending emails in the form of announcements, advertisements, notifications and newsletters. In email list building, you are asking for the permission of the customers so that you can include them in your business mailing list. This is a critical move so that you and the business will not be known as spam.

Different forms of opt-in emails for business

There are at least three forms of opt-in email as used in the business setting including unconfirmed opt-in, confirmed opt-in and opt-out. In the unconfirmed opt-in, a customer will simply input the email address on the webpage and the business owner will not normally confirm if this email belongs to the person. This can be problematic since anyone can simply input the email address of a friend or someone he knows.

The other form is called confirmed opt-in which is considered as a more authoritative way of soliciting emails online. The subscription of the customer to the mailing list will need confirmation and for many business owners, this means the customer will need to click on a link that will verify the participation. The other form of opt-in email list is called opt-out. Under this kind of arrangement, customers are automatically included in the emails lists but they have the option to be out of it if they so desires.

Having your own email list may look difficult and requires a lot of hard work but if you just follow the right approaches and you tap this tool responsibly, then everything will be okay. You can count on a number of resources online that can help you build your own list. The nice thing about email list building is that your customers have knowledge that you are sending them these communications. To confirm that they are indeed interested, you can include a verification link on the welcome email that they can click.

When you are already using this tool for your business, keep in mind that it pays to be responsible. Don’t send out communications to those people who have chosen to stop receiving notifications from your business. Some people may opt-out, but a small list of willing and interested customers is better than a large list of angry and frustrated customers.

It is also important to work on quality and helpful resources and newsletters that you will send to your subscribers. The content must be helpful and relevant to customers, and it’s never recommended to oversell your business. Don’t spam you customer with similar content over and over! It pays to be responsible when it comes to email list building. If there’s a need to advertise, make it simple and straight to the point.

Dany Cooper

I live in a tiny village in Ontario Canada, thanks to the internet it has allowed me to work from home just like millions of others. This wonder tool of the 20th century the internet has given all of us the power to connect it does not matter were we are or where we live. It’s an amazing device with a growth rate that increases daily, as more and more people discover what and how the internet can help them. Whether it’s for business or pleasure it does the job that we ask it to do.

Email is an important communication online. From a business perspective, email is a popular mode of communication between business owners, customers to customers and business owners to customers and vice versa. Business decisions are made, influenced and changed by a series of emails. Emails are used for promotions and advertising purposes as well; emails can be used by business owners to spread the word about new products and services and to tell potential customers about new offerings of the business through updates and notifications.

Emails work but unfortunately emails are subject to abuse as well. There are irresponsible business owners who randomly send emails to customers without regard to Antarctica Email Lists customer preferences. These are called unwanted emails or spam and can be irritating especially if these emails flood your inbox. These emails are full of cheesy and forced advertisements that you did not sign up for in the first place. Instead of helping the cause of the business, customers who are at the receiving end of these emails look at the business in a bad light and the business owner as a spammer. This is a lost opportunity for these spammers. Emails can help if used properly, and you too can take advantage of emails if you know how to use it responsibly.

To get the best out of emails, better work on opt-in email lists. The opt-in email lists that you can produce for your business is a listing of email addresses where those who will receive these emails actually agree to the arrangement. Email list building brings back respect and privacy in the business of sending emails in the form of announcements, advertisements, notifications and newsletters. In email list building, you are asking for the permission of the customers so that you can include them in your business mailing list. This is a critical move so that you and the business will not be known as spam.

Different forms of opt-in emails for business

There are at least three forms of opt-in email as used in the business setting including unconfirmed opt-in, confirmed opt-in and opt-out. In the unconfirmed opt-in, a customer will simply input the email address on the webpage and the business owner will not normally confirm if this email belongs to the person. This can be problematic since anyone can simply input the email address of a friend or someone he knows.

The other form is called confirmed opt-in which is considered as a more authoritative way of soliciting emails online. The subscription of the customer to the mailing list will need confirmation and for many business owners, this means the customer will need to click on a link that will verify the participation. The other form of opt-in email list is called opt-out. Under this kind of arrangement, customers are automatically included in the emails lists but they have the option to be out of it if they so desires.

Having your own email list may look difficult and requires a lot of hard work but if you just follow the right approaches and you tap this tool responsibly, then everything will be okay. You can count on a number of resources online that can help you build your own list. The nice thing about email list building is that your customers have knowledge that you are sending them these communications. To confirm that they are indeed interested, you can include a verification link on the welcome email that they can click.

When you are already using this tool for your business, keep in mind that it pays to be responsible. Don’t send out communications to those people who have chosen to stop receiving notifications from your business. Some people may opt-out, but a small list of willing and interested customers is better than a large list of angry and frustrated customers.

It is also important to work on quality and helpful resources and newsletters that you will send to your subscribers. The content must be helpful and relevant to customers, and it’s never recommended to oversell your business. Don’t spam you customer with similar content over and over! It pays to be responsible when it comes to email list building. If there’s a need to advertise, make it simple and straight to the point.

Dany Cooper

I live in a tiny village in Ontario Canada, thanks to the internet it has allowed me to work from home just like millions of others. This wonder tool of the 20th century the internet has given all of us the power to connect it does not matter were we are or where we live. It’s an amazing device with a growth rate that increases daily, as more and more people discover what and how the internet can help them. Whether it’s for business or pleasure it does the job that we ask it to do.

If, after searching Google for email list validation and you find half a dozen companies who sell “do-it-yourself” software for $100 and your response is, “This sounds too good to be true,” I would definitely agree with you. Buying a piece of Aruba Email Lists software off the web for under $100 that will validate your email address list from your home computer is nothing more than a pipe dream. It will never work, and you will waste a few hours of unnecessary hassle trying to make it work. You can thank me now for saving you much wasted time and energy. Rather, keep the $100 bucks and consider it a gift from me to you.

A good provider of list verification services is hard to come by. So you might be asking yourself, “Who can I use and trust to provide email list cleaning and validation services for my business?” There are a few options to consider. Large corporations that are equipped with software and technological capabilities to perform legitimate email validation services do exist, but normally charge exorbitant fees. Off-shore or one-man companies who are reasonably priced, but fail to deliver as promised, is also another hurdle to overcome when looking for a reliable company. You would think that, before handing off your most prized consumer or business email database for cleaning and validation to the wrong hands, your search for the most reputable company out there would be a priority.

Here’s a list of the top 5 things NOT to look for in the search for an email list validation company.

A company whose website is outdated, hard to navigate, and filled with irrelevant or poorly written content. This usually infers that the company is outside of the country and that you have no recourse if things go really bad.

Make sure the company website is more than a 5 page site revolving around selling only email validation. If the site is sparse of information, including a blog or up-to-date information, it is probably not a real, full time business for the website owner.

A company that is run by a guy in his basement or sitting in his underwear working from his kitchen table.

A company with poor, little, or no reviews for their list cleaning and validation services.

A company who has difficulty answering your technical questions when you call them to discuss how their services work. The most common response is, “Our techs do all of the work” or “I cannot explain our process because it’s a trade secret.”

A company who does not address your email data security concerns in a knowledgeable and informative manner is also a bad sign.
Each of the above are indicators, or “red flags,” of an illegitimate company more worried about when the money will hit the bank than they are of the quality of the service they provide. Be wary of companies that claim to be experts at email verification or email validation when all they really do is remove invalid domains. List hygiene is a multi-stage process and not as simple as it might appear to the average Joe. If you are going to trust a company with your entire customer email database, you must begin by doing your homework and asking the right questions. Some of which include the following:

How long has your company been in business?
How do you operate on a daily basis and manage the influx of email lists?
What software is in place to complete this service?
Do you clean emails only or do you validate them as well?
Do you have the appropriate server capacity to perform list cleaning orders in a timely and efficient manner?
How many people have access to my data?
Where is your business located? Is it run from a corporate office or from your living room?
What policies are in place to protect and secure my email data?
After speaking to one of the list cleaning company’s representatives on the phone, be sure to follow your gut instinct. If they don’t sound knowledgeable about their own service or can’t answer all of your questions without stumbling, avoiding your question, or giving you some nonsense answer, do yourself a favor and walk away. There is nothing worse than paying a non-legitimate company to steal your customer list or email database.

Don’t be lazy or afraid to do some basic research on the company you want to do business with. Go to the Secretary of State, within their state of operation, and do a lookup to make sure their company really exists. Search the company name on the Internet to see if they have ripped people off before or if they have a number of unhappy customers.

There are very few valuable players in the game. My advice – choose wisely. Otherwise, you can kiss your IP reputation goodbye and lose your email list to spammers. I might not have a magic crystal ball in front of me, but if you send your list to a disreputable company, I can foresee your seed list getting hit with Viagra and weight loss spam emails in your future.

Understanding who your customers are is paramount for success. Here comes the concept of list segmentation back up with list management. List segmentation is dividing your subscriber list into categories so that you can target them specifically with your mass email marketing service and promotions list management is the Azerbaijan Mailing Data process by which the mailing list are sold. Through list management the sales are enhanced with the aid of promotional efforts. An email list is untapped revenue for an organization. It is the best source of revenue by renting out their list to 3rd parties. Building an email list that is organic and engaged, is probably one of the most crucial things in email marketing. List management actually consists of gathering email addresses, verifying email addresses, and analyzing the users who the addresses belong to. Direct mail using mailing lists provides the most targeted method to reach a specific market: by age, gender, income or other criteria. Successful email list management is an easy process if you consider some best practices:

1. Omit contacts that persistently ignore your emails.
2. Attempt to connect through social media such as Facebook or Twitter.
3. Reactivate email connections periodically.

As list managers, our job is to:

1. Understand your business – your products, your customers, your priorities
2. Sell creatively
3. Keep your data secure
4. Provide transparent, timely, accurate, detailed reports
5. Collect rental income and pay you instantly
6. Bargain rationally
7. Pay careful attention to detail
8. Follow up instantly on all orders
9. suggest ways to add value to your list

If you purchase a List:

Test it out by creating a small email campaign to know if people on the list are genuinely interested in purchasing what you have to offer. If you don’t see a response within 4 weeks, you perhaps won’t see one at all. Prior going out and spending your hard earned money on a mailing list, reckon what doing so may mean in the future.

Advantages Of list Management:

Fans Are Locked In
When a fan gives you their email address, you now have the opportunity with permission to communicate with them. It paves the way from you to them. I would advise not to omit this opportunity, but definitely take benefit of it.

Latest Technology
With the advent of modern technology, there are no reasons why folks should still be sending just plain-text emails. There are plethora of options available in email communication today.

Campaign Ready
With the use of an effective Email Server Provider, you now have the opportunity to run effective email campaigns. Running an email campaign can bring great results when done in appropriate way. It’s all about enhancing your opportunities.

Innovative approach

There are a plethora of alternatives available now. Add images, soft music, eye catching videos, links, etc. No one likes boring emails. Spicing up your emails with some innovations will make your messages more exciting. Remember a little innovative work is always better than no work.

Overall, email list management is a viable tool in communicating your message. This goes for communication with fans, media, etc. You rarely have to send out plain boring emails anymore. Utilize the benefits of the opportunities in email communication today.

As a business targeting success, your work doesn’t end in acquiring email addresses and devising your Unsubscribe and opt-out process. There are a couple of things you would want to ensure are happening in order to keep a clean list and keep running a successful email marketing campaign. It is highly advisable, for instance, to use email validation services to determine validity and metadata information about email addresses.Here are some steps to Bahamas Email Lists take to manage and keep your email list in its healthiest, fittest shape possible.Here’s a fact: email addresses eventually atrophy or go bad over time, no matter how much monitoring or checking you do. Email users may either abandon an email account (until inbox becomes too full to receive any more message) or shut it down for good. This is why a “bounce” happens – an email that you attempted to send bounces back and remains undeliverable.

More bounces means more impact on your sender reputation, since most service providers believe that responsible email senders delete bad addresses from their lists on a regular basis. As it is, spammers usually have high bounce rates. Would you want to be associated with spam practice or have bounced or bad addresses regularly removed from your database?

It is suggested that you do not remove email addresses as soon as they bounce ounce, because, for example, what if it’s just temporary technical failure on the part of the service provider? You may keep your email list clean by having a threshold of three to five bounces before removing it from your database. Track undeliverable addresses and make sure that they are removed from your email list, too.

Use a web-based email address checker: it has flags that provide detail beyond whether or not an email can get past a server. Through this, marketers like you get the kind of information they need to reduce bounce rates and improve open rates in their campaigns. To verify an email address also means protecting yourself against getting blacklisted by email messengers.

Many email marketers simply continue sending to their email lists even if many users have not opened a single email in months. You don’t really lose money here, but this scenario impacts your sender reputation score as determined by email service providers. What can you do to address this problem and avoid landing in the spam box for a segment of low-activity email users?

You have to know what is considered “low activity” usage. An active user may be one who opens one email a month (if you send weekly newsletters) or someone who opens an email every three months (if you send monthly newsletters). There is really no metric that you can apply here, which means you should use your own judgment.

Query all of the email addresses that do not meet your ideal criteria for your email database and place them on a separate list. This isn’t to ignore them; you just want to limit your frequency of emails to them. You should also identify those who may be looking at your email but not registering as an opened email due to images that don’t load or those who are forever on a preview-pane view.

Email everyone on your low email usage list and inform them that you are doing regular email maintenance. Ask them if they are still interested to receive your mails (of course with a call-to-action to continue subscription), and if they are, provide a confirmation link or an email address where they can complete steps to return to your main email list.

All these may seem like a lot of work, but in the long run they will spell profound benefits to your direct marketing. If you are past the startup-business level, how about investing time and money on efficient tools like email validation and reaping long-term gains and savings?