Companies spend thousands of dollars on email marketing and social media posting to increase their sales and keep existing customers coming back.
However, when it comes to the acquisition of new customers, cold emailing is still out there among the top best acquisition channels for both retail and tech companies.
An efficient cold emailing campaign can drive growth and have an amazing ROI.
So, What is Cold Emailing?
Cold emailing is an unsolicited email sent to a receiver without prior contact. Usually, companies use it to get in touch with people who could be potentially interested in their products or services.
Cold emails are not necessarily considered spam. Companies who are doing it right target specific audiences that are genuinely interested in what they have to offer. The key to cold emailing is to target the right audience and truly provide value with your email content.
When a company or an individual decides to bombard an audience with irrelevant and unwanted content, this practice is called spamming.
Essentially, cold emailing works as an advertisement that the receiver can opt-out from at any time so they don’t receive similar emails in the future. Cold emailing can be repetitive work as marketers will have to do endless copying and pasting. That’s where cold email software will come in handy.
The 8 Best Cold Email Software
1. SmartReach
If you are an advanced user and are looking for a feature-rich solution for cold emailing, SmartReach is exactly what you need. Your emails would have a better chance of getting a response thanks to their advanced hyper-personalization and advanced scheduling; where you can send emails in your prospect’s timezone.
SmartReach.io supports all popular email clients including GSuite, Office365, Outlook, Mailgun, and SendGrid.
It puts an extensive focus on email deliverability and provides a suite of built-in tools like list-cleaning (Email validation), Warm-Ups, and Spam Tests.
It is ideal for bigger teams and agencies owing to their team-centric features like Role-based permissions, Team level settings, Agency dashboard to view and manage multiple clients, etc.
Pros:
– Custom Send Time for Emails
– Personalized Emails
– Supports Numerous Email Clients
– Easy-to-use Interface
– If-this-then-that, like Workflow Automations
– Account-based Sales
– Dedicated Plan for Agencies
Cons:
– None (that we could find at least)
Pricing:
Standard Plan: $24 per month/user
Ultimate Plan: $59 per month/user
Website: smartreach.io
2. Woodpecker
Woodpecker is the best tool for B2B companies who contact prospective clients via automated personalized emails. Woodpecker is specially designed for cold emails and follow-ups. You can send your cold emails directly from Gmail, Office 365, or Exchange accounts.
It integrates with Zapier, Salesforce, and a wide range of other business tools.
They claim to be one of the most secure software for automated campaigns. Further, it is a great choice for teams who need to collaborate, share lists of contacts, and/or blacklist domains.
Woodpecker offers sophisticated functions that include A/B testing, if-campaigns to move prospects to alternate streams, manual tasks to include non-email actions in the campaign and snippet-based conditions for easy customization and personalization.
One of the benefits of using Woodpecker is that they’re continually improving and updating their software. You can check their roadmap here to see their major updates.
Woodpecker has also developed a new pricing structure, which allows you to pay the basic price per slot and only pay for the add-on features you actually use.
Add-on features can be turned on and off whenever you want, which means you’re only paying for exactly what you need, when you need it, and no more.
Pros:
-User-friendly interface is easy to use and understand
-Set up and contact list integration is fast and convenient
-A/B testing is fully automated and gives meaningful insights
-Reporting for daily/weekly/monthly metrics
-Customer support is always available
-Snippet-based Conditions
– Warm-up feature to maintain sender reputation
-Manual tasks can be included in the campaign for non-email actions
-Strong security measures
-If-campaigns allow for prospects to be directed to a different stream
-Unlimited team members/multiple team members per slot
-Customizable pricing so you only pay for features you use, when you’re using them
Cons:
-Can be costly for small businesses if multiple slots and add-on are required
-Limited to 7 follow-ups
Pricing:
-Free Trial: 14 Days (includes all add-on functions)
-50 Contact Emails Per Day: $40 – $59 per slot/monthly depending on add-ons selected
-200 Contact Emails Per Day: $44 – $64 per slot/monthly depending on add-ons selected
-Unlimited Contact Emails Per Day: $49 – $69 per slot/monthly depending on add-ons selected
Website: woodpecker.co
3. Snov
With an easy-to-use interface and powerful features, Snovis another popular software designed for cold emailing. Snov allows you to automate your email campaigns and save time. You can also download the Snov extension for Google Chrome that lets you find someone’s email address on a website.
You can set triggers that will notify you when a person opens your email. Another automated action that you can set is a follow-up email if a user opens your email, but does not reply.
Finally, with the Domain Search Tool, you can find an email address that is attached to a certain domain name.
Pros:
– Email Finder
– Easy-to-Use Interface
– Drip Campaigns
– Email Verifier that Validates all Email Addresses
Cons:
– Does not Feature an “Unsubscribe” Link
– Does not Show the Most Used Email from Each Contact When Given Multiple Email Accounts
Pricing:
– Small Plan: $29 month/user
– Medium Plan: $49 month/user
– Large Plan: $79 month/user
– Extra-Large Plan: $139 month/user
Website: snov.io
4.SalesHandy
Saleshandy is one of the best cold email software to send personalized cold email sequences with high email deliverability. The software follows a human-like sending approach, to prevent the spam inbox and safely deliver your emails to the primary inbox.
In the Saleshandy dashboard, you can easily create a personalized email sequence, add up to 49 follow-up steps, schedule your email, and get a detailed analysis of each sequence. This complete cycle helps to turn your prospects into customers.
Saleshandy takes utmost care of your email deliverability by sending emails one by one to make them appear as if you were sending them manually. Also, the software auto pauses a sequence if they’re chances of your emails getting bounced.
Pros:
– Completely automate your cold email sequence
– Get AI writing assistant to improve the open rate
– A/B test different formats to know what works the best
– Find hot leads using Saleshandy connect (A LinkedIn email finding tool)
Cons:
The notification experience can be improved
Pricing:
Pro – $25/month/user
Website: saleshandy.com
5. Hunter.io
Hunter.io is a web-based email research and verification tool that helps businesses collect and verify professional email addresses.
The cold email campaign feature of Hunter.io is probably not its strongest suit as it was only recently added to the platform.
However, if you are looking for an all in one solution for your cold outreach efforts, Hunter.io is your best bet.
With Hunter.io you can find emails of your target audience within seconds, verify them, and even discover hard-to-find contact data of your prospects so that you could truly personalize your campaigns and improve the results on your outreach campaigns.
If you’re operating in the B2B space, Hunter.io is a must-have tool for your next cold outreach campaign.
If you do not require any sophisticated email automation features and are using Gmail, you can also use their campaigns feature, this way you get an all-in-one solution. From finding emails to converting them to customers.
TIP: Whether or not you decide to use Hunter.io, you must check out their chrome extension, as it can do wonders for your business!
Pros:
– The emails it provides are 90% of the time accurate.
– Integrates easily with the browser providing simplicity of use.
– No additional costs for team subscription.
– All in one solution for cold outreach
Cons:
– Any Mobile App/Functionality is Not Available As Yet.
– Cold Outreach Capabilities are Limited (and you can enjoy it only if you used Gmail so you might need additional tools to enjoy the full email outreach experience)
Pricing:
Free Version: Yes
Starter: $49/Month
Growth: $99/Month
Pro: $199/Month
Enterprise: $399/Month
Website: https://hunter.io/
Bonus: Hubspot’s 25 Cold Email Templates: Free & Ready-to-use
Hidden Content
6. Reply
Take your sales outreach to a whole new level with Reply. With this dashboard, you can set up an email campaign with follow-ups, and then do split tests to improve your conversion rate.
One of the best things about Reply is its powerful reporting system. This system shows you all the data and indicators for your email campaigns, including delivery, open rates, link clicks, bounced emails, and more.
You can filter certain users from your queue of automated emails depending on their actions. Additionally, it lets you setup personalized email campaigns.
Pros:
– A Lot of Features
– Easy Setup and User Friendly
– Powerful Automation Feature
– You can Set a Campaign and Forget About It
– Collaboration Tool for Email Marketing Teams
Cons:
– High Pricing per Number of Contacts
– It’s Difficult to Organize Lists in the App
– Targeted Toward Advanced Users Who Want to Dive Into the Email Marketing World
Pricing:
User to Contact 1,000 people per month: $55
User to Contact 3,000 people per month: $70
User to Contact 30,000 people per month: $90
Website:reply.io
7. UpLead
If you’ve been looking for a powerful and reliable B2B sales intelligence platform, only to be disappointed with leads that go nowhere, you need to try UpLead.
UpLead’s database includes over 54 million B2B contacts for you to browse through, allowing you to quickly connect with highly qualified leads. You can also use the data to update and enrich an existing lead database, find leads according to the CRM they use, and verify their contact information in real-time. That way, you can spend more time selling to prospects, and less time looking for them.
And, unlike multiple other lead generation tools, UpLead gives you a 95% data accuracy guarantee, so you know you’re not contacting leads with old information that will get you nowhere.
Pros:
-Lighting-fast
-Very easy to use
-95% data accuracy guarantee
-Bulk searching capabilities
-Intuitive and vibrant customer profiles
-Email verification
Cons:
-Not ideal for just one or two emails per month
-Doesn’t have a mobile app
Pricing:
Free Trial: $0 (5 credits)
Essentials: $99/month (170 credits)
Plus: $199/month (400 credits)
Professional: $399/month (1000 credits)
Website: uplead.com
8. AutoKlose
With AutoKlose, you can find, target, and nurture your prospects hassle free because it automates all of your email tasks. AutoKlose comes with some amazing features, such as drip email campaigns, lead generation, and CRM integration. You can also send a large number of emails at once.
Further, you can turn your cold emails into warm communications using their follow-up option. Based on your interactions with emails, the tool sorts your contacts into warm and cold folders. You can integrate AutoKlose with different email platforms and Salesforce.
Pros:
– Contact Import and Export
– Lead Database Integration
– Contact Discovery
– Minimalist Interface
Cons:
– Not User-Friendly
Pricing:
Starter: $49.99 user/month
Small Business: $49.99 month/user
Enterprise: Custom Pricing
Website: https://autoklose.com/
9. Outreach
Outreach is an all-in-one platform that makes your sales team’s work more efficient. It is one of the most useful softwarefor salesmen since it allows you to not only send cold emails, but to also make calls to other regions and countries.
Additionally, they have an SMS integration feature that lets you reach your potential customers via phone. It also provides you some additional info about your prospects that allows you to send more personalized emails. While Outreach offers you a wide range of features, they also have the highest cost.
Pros:
– Great Chat Support
– Many Different Integrations
– Many Useful Features, Including Calls to Different Countries
Cons:
– Long Wait Time for Bulk Emails
– The Integration with Gmail and Salesforce Could be Better
Pricing:
You can request pricing on their Website
Website: Outreach.io
Cold Emailing Best Practices
Before you decide what software to use for your next campaign, we highly recommend you watch this video by Patrick Dang.
Conclusion
Email marketing is one of the most important channels for lead generation.
Combine your experience with useful cold email softwarelisted above and you’ll achieve success in your campaigns.
These softwareallow you to make your work easier and faster. Evaluate and select the tool that suits your needs and available resources.
Frequently Asked Questions
What is cold emailing?
Cold emailing is the act of emailing a recipient without prior contact or permission from the recipient. This is similar to cold calling, but is much less intrusive. Cold emailing is considered a powerful marketing tool- using personalized emails to contact your customers. Read further to find out which are the best cold emailing software available to you, to maximize your marketing efforts.
How to personalize your cold emails?
Make sure that the email software you use includes dynamic email content, where you can automatically add the first name of the recipient, the company name and other details. The more personalized the email looks to a recipient the better! A worthwhile trick: identifying a mutual connection or point of interest with the recipient and mentioning it in the email. See the article to learn more about cold emailing best practices.
What to look for when evaluating cold emails tools?
When searching for cold emailing software, make sure to find software that includes a range of personalization features, as well as customized images and links. It is also ideal if it includes email tracking and analytical functions to help you manage your customers effectively. Check the article for the full list of top email tools we reviewed.
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FAQs
What is cold email outreach software? ›
Outreach is a cold email software that enables you to reach out to prospects across multiple channels. The tool works well for sales teams using the outbound approach for selling. Personalize outreach, get assistance for cold calling tasks, and connect with LinkedIn prospects.
How do I automate Cold mail? ›- Step 1: Create a Target Audience Persona. ...
- Step 2: Use an Email Prospecting Tool. ...
- Step 3: Integrate your prospecting software with an email outreach tool. ...
- Step 4: Automate list building. ...
- Step 5: Write your cold email template. ...
- Step 6: Set up a drip campaign.
Can You Send Cold Emails with Mailchimp? In a nutshell, no. You can't use Mailchimp to send out cold emails. It's not a platform made for outbound sales.
How many cold emails should you send per day? ›The rule is to start small (10 - 20 emails per day) and gradually increase your sending volume while keeping an eye on your deliverability and reputation.
How can I send bulk cold emails without spamming? ›- Clean up your email list.
- Avoid misleading subject lines.
- Do not send image-only emails.
- Use HTML best practices in your email.
- Include a prominent unsubscribe button.
- Optimise your email content.
- Build your list organically.
- Run spam tests before sending.
Gmass is without a doubt one of the best mass email tools out there. It's very easy to use and integrates seamlessly with Gmail. Unlike most other email platforms, you can verify each contact before sending your emails, which helps reduce bounces significantly. It's definitely worth the price.
Is cold email better than LinkedIn? ›Inmails reply rate
LinkedIn InMails have better stats than emails, the average reply rate is 10-25%. This is a premium linkedin feature, so obviously fewer people are sending them. As you only have a limited amount per month to send, people tend to work on their copywriting more than on a free email.
The short answer is yes. Cold email marketing, when done effectively, can be a great way for businesses to reach prospects. Users spend a great deal of time sifting through their inbox. This alone is reason enough why business owners should prioritize cold emails.
How do I create an automated email campaign? ›- On your account dashboard, click the Automations icon.
- Click Classic Automations.
- Click Welcome new subscribers.
- On the Single email tab, enter a campaign name and click the drop-down menu to choose an audience. ...
- Click Begin.
Sendinblue is not suitable for sending cold email campaigns. If you want a tool to manage cold email prospecting, it's best to use a dedicated email outreach solution such as Waalaxy or similar.
How do I use quickmail? ›
How to Use Quickmail - YouTube
How successful is cold emailing? ›Just consider these statistics: The average cold email response rate is 1%, which means for every 100 people you email, you're getting through to one person (and probably bothering the other 99).
Can you cold email with HubSpot? ›If you ever wonder if you can use the Hubspot CRM for cold emailing, the answer is NO. It is against HubSpot's policy and therefore doesn't allow any HubSpot tools to be used to email cold contacts. From a deliverability standpoint, cold outreach should be avoided to prevent damage to your sending reputation.
Is cold emailing GDPR compliant? ›Yes, you can send cold emails to people at companies under GDPR. Those need to be B2B emails that meet certain requirements. Firstly, you can't send them to just anyone.
How can I send 10000 emails a day? ›- Step 1: Connect your Gmail account. ...
- Step 2: Create your email list. ...
- Step 3: Create a sequence. ...
- Step 4: Compose your email. ...
- Step 5: Upload the list in CSV format. ...
- Step 6: Send or schedule the email.
The Two Minute rule says you should respond to any email sitting your inbox that would take less than two minutes to do so. This is a brilliant strategy. I once adhered to the What Matters Most rule, which proclaims that you prioritize your email from most important to least important.
How long is too long for a cold email? ›How long should a cold email be? It should be short, 2-5 sentences of no more than 200 words in total. Data suggests that 50-125 words is the optimal number. That's all you need to spark someone's interest and start a conversation.
How many emails can I send before I get blacklisted? ›If you send 10,000 emails at once and there's a high bounce rate, you'll get blacklisted when the rate goes above 10%. Sending fewer emails as you warm up the IPs will help prevent that situation. Remember, more is not always better when it comes to sales leads.
How do I send an email blast without everyone seeing all my emails? ›Create the email and then start to input the email addresses you want to send it to in the BCC. The BCC stands for Blind Carbon Copy. That means no one can see who the email is going to. When you send the message, it will be sent to all of the people in your BCC.
How many email addresses can you send without being spam? ›"You have reached a limit for sending mail"
You may see this message if you send an email to a total of more than 500 recipients in a single email and or more than 500 emails sent in a day.
What is better than GMass? ›
...
Top 10 Alternatives & Competitors to GMass
- Intuit Mailchimp. (12,186)4.3 out of 5.
- Mixmax. ...
- Yet Another Mail Merge (YAMM) ...
- Yesware. ...
- Woodpecker.co. ...
- Reply. ...
- Zoho Campaigns. ...
- MailerLite.
There are no laws against using GMass because it doesn't send emails. It only sends the emails through your own Gmail account. The messages will appear on your sent mail in your Gmail inbox, proving that it was you who did send the messages.
Who owns GMass? ›His name is Ajay Goel. He is the founder of GMass. GMass allows you to send mass email campaigns with Gmail.
What emails do professionals use? ›The most standard and recommended form of a professional email address is of course the firstname.lastname@domain.tld format. But there are some other ways you can get a professional email address, such as: firstnameinitial.lastname@domain.tld. firstnameinitiallastname@domain.tld.
How do I increase my cold email open rate? ›- Make sure you're emailing the right people. I know, this sounds painfully obvious. ...
- Avoid the spam filters. ...
- Nail that subject line. ...
- Send it from the right person. ...
- Provide clear value. ...
- Check your spelling and grammar.
- Craft a great subject line that represents the content of your email. ...
- Keep the email brief. ...
- Include personalized content about the prospect. ...
- Focus on the prospect's needs early on. ...
- Share relevant, eye-catching data. ...
- Leverage personalized videos in your email.
"If you're cold-emailing, an average of three sales emails sent over the course of a couple of weeks is usually enough to get a good idea whether a prospect is ever going to be interested in what you're offering.
How do I mass generate emails? ›- Step 1: Install a Mail Merge extension. ...
- Step 2: Draft your message. ...
- Step 3: Prepare your subscriber list. ...
- Step 4: Start Mail Merge. ...
- Step 5: Send Mass Email.
- Make your subject line catchy.
- Keep your email short and focused on a single point.
- Segment your recipients.
- Get rid of spam words.
- Make sure the emails look great on phones.
- Use calls to action.
- Track and analyze the engagement statistics.
Overall, Sendinblue really does offer a complete package. There's a nice email design tool, excellent reports, advanced features, such as A/B testing, good contact management, and so on. There's literally nothing that's missing compared to the other big players on this market like GetResponse or AWeber.
Is Sendinblue cheaper than Mailchimp? ›
In nearly all cases, Sendinblue works out cheaper than Mailchimp. It's hard to compete with 40,000 emails a month from $25 – especially when all Sendinblue plans allow unlimited contacts. You can also get send-time optimization, automation and A/B testing at a much lower price than Mailchimp.
Is it legal to send cold emails? ›To dispel your doubts: cold emailing is totally legal provided you stick to the rules set out by applicable regulations. One of the pioneer regulations of this type is the CAN-SPAM act, which set standards for sending commercial emails in the USA.
What is Lemwarm? ›lemwarm is actively used by 20k+ people from 100+ countries. We don't use fake email addresses that will ruin your email domain. Instead, you exchange warm-up emails with REAL people resulting in a flawless reputation and high open rates.
How does Warmbox work? ›Warmbox is a plug&play SaaS that automates the email warm-up process to get cold emails delivered. How does it work? Through a collaborative tool, Warmbox helps teams to generate more value with cold emailing. Say farewell to spam and get up to +30% open rate.
How do I warm up an email in quickmail? ›- Configure Your SPF, DKIM, and DMARC Records. ...
- Set Up and Personalize Your Email Profile. ...
- Send Emails Manually to Yourself or Coworkers (and Reply) ...
- Set Up Custom Domain Tracking. ...
- Turn on the QuickMail Auto Warmer. ...
- Always Personalize Your Emails. ...
- Keep Your Sending Volume Low.
Gmail officially claims that with a regular Gmail account you can send 500 emails/day. And with paid services like G Suite(Google Workspace), you can send over 2,000 emails/day.
How long should a b2b cold email be? ›Keep it short, not more than 100 words
According to Boomerang's study of 40 million emails, cold emails between 50 and 100 words get higher reply rates.
It's not hard to see why — only 21% of emails from email campaigns are opened . Fine-tuning your cold email strategy might not make your open rates skyrocket, but it can make a major difference. The right email approach is critical to cutting through the noise — and getting your foot in the door with your next buyer.
Can I attach a PDF to a HubSpot marketing email? ›Click the Email tab at the top of the contact record. Compose your email and click attach to attach a file. Select Upload to select a file from your computer or select Choose existing file to attach a file from your file manager.
Should you include links in cold emails? ›If you're sending cold outreach emails, then we recommend you don't use any links, especially in early stages. This is because someone who doesn't know you is unlikely to trust your link.
Is cold emailing illegal in Europe? ›
No, sending cold email is not against GDPR and it is not illegal. It also only pertains to citizens of the European Union. If you think that you need to be compliant, just remember: Be able to show how you got your target's information.
Is Google Mail GDPR compliant? ›The Higher Administrative Court of Münster ruled on February 5th, 2020 that Gmail is not a telecommunications service. Gmail can therefore be seen as classic order processing and is therefore subject to the special requirements of the GDPR.
Can you send cold emails from Gmail? ›into personalized emails in Gmail. Gmail mail merge lets you send mass emails in bulk that are personalized for each recipient. Sending personalized mass emails using Google Sheets and Gmail speeds up the cold emailing process.
Do cold emails actually work? ›The short answer is yes. Cold email marketing, when done effectively, can be a great way for businesses to reach prospects. Users spend a great deal of time sifting through their inbox. This alone is reason enough why business owners should prioritize cold emails.
How successful is cold emailing? ›Just consider these statistics: The average cold email response rate is 1%, which means for every 100 people you email, you're getting through to one person (and probably bothering the other 99).
What is the best email platform to use? ›- Gmail. Gmail is the most used and popular email service provider with over 1.2 billion users all around the world. ...
- Outlook. Outlook was initially founded as Hotmail by Microsoft. ...
- AOL Mail. ...
- 4. Yahoo Mail. ...
- iCloud Mail. ...
- ProtonMail. ...
- Zoho Mail. ...
- Yandex Mail.
Gmail officially claims that with a regular Gmail account you can send 500 emails/day. And with paid services like G Suite(Google Workspace), you can send over 2,000 emails/day.
How many emails can I send before I get blacklisted? ›If you send 10,000 emails at once and there's a high bounce rate, you'll get blacklisted when the rate goes above 10%. Sending fewer emails as you warm up the IPs will help prevent that situation. Remember, more is not always better when it comes to sales leads.
Should you include links in cold email? ›If you're sending cold outreach emails, then we recommend you don't use any links, especially in early stages. This is because someone who doesn't know you is unlikely to trust your link.
Is cold email better than LinkedIn? ›Inmails reply rate
LinkedIn InMails have better stats than emails, the average reply rate is 10-25%. This is a premium linkedin feature, so obviously fewer people are sending them. As you only have a limited amount per month to send, people tend to work on their copywriting more than on a free email.
How long is too long for a cold email? ›
How long should a cold email be? It should be short, 2-5 sentences of no more than 200 words in total. Data suggests that 50-125 words is the optimal number. That's all you need to spark someone's interest and start a conversation.
How do I increase my response rate on Cold mail? ›- Craft a great subject line that represents the content of your email. ...
- Keep the email brief. ...
- Include personalized content about the prospect. ...
- Focus on the prospect's needs early on. ...
- Share relevant, eye-catching data. ...
- Leverage personalized videos in your email.
If you ever wonder if you can use the Hubspot CRM for cold emailing, the answer is NO. It is against HubSpot's policy and therefore doesn't allow any HubSpot tools to be used to email cold contacts. From a deliverability standpoint, cold outreach should be avoided to prevent damage to your sending reputation.
How many cold emails do you need for a meeting? ›"If you're cold-emailing, an average of three sales emails sent over the course of a couple of weeks is usually enough to get a good idea whether a prospect is ever going to be interested in what you're offering.
How long should a b2b cold email be? ›Keep it short, not more than 100 words
According to Boomerang's study of 40 million emails, cold emails between 50 and 100 words get higher reply rates.
Gmail is the overall best email service. Outlook is good for multiple app integrations. Yahoo has good spam blocking capabilities. Zoho Mail is the best option for home businesses. AOL provides unlimited storage.
Which server is best for email marketing? ›- SMTP.com. SMTP.com is hands down the most powerful email delivery service on the market. ...
- WP Mail SMTP. ...
- Constant Contact. ...
- Sendinblue. ...
- HubSpot. ...
- Mailgun. ...
- SendGrid. ...
- Amazon SES.
- #1 Informational Emails. Informational emails are not very long and generally, they do not require any action by the subscriber. ...
- #2 Educational Emails. ...
- #3 Lead Nurturing Emails. ...
- #4 Promotional Emails.