Cracking the Cold Email Code: Smartlead vs Mailshake vs Autoklose

In today's fast-paced digital landscape where competition is fierce and attention spans are fleeting, businesses are doing everything in their capacity to capture customers' attention but still somehow failing or lagging behind. Are you one of them also? 

Just like cracking a code is not possible without the right passcode in the same way Cracking the cold Email code is not possible without the right strategies and approach backed up by a powerful tool. 

Yes, these tools not only help us thrive in our business but also take up all the time-consuming tasks and do them in an efficient way. But finding the right tool that fulfills your requirement criteria can be tiresome.

 Let's dive deep into the article to find out more about these tools and how can they help you 


  • Smartlead is considered best when it comes to easy and smooth deliverability, Email outreach, and growth of a business with unmatchable customer support. It helps the most in creating business-to-business leads as cold email is used by businesses as a defined strategy to acquire customers. It provides some of the best features such as auto-rotating email accounts, a centralized master inbox, email warm-ups, email personalization and validation, spintex, custom CRM and dynamic IP address. All in all, it has it all. 
  • Mailshake is a very useful tool designed for email outreach that lets users schedule and send personalized emails and follow-ups automatically from their mailbox and boost their reply rates. It is a very handy tool that comes with different plans and features. Help grow small and medium enterprises by handling their email marketing.
  • Autoklose is a cloud-based email marketing tool that helps to manage email automation and the generation of leads. It is used by businesses to manage cold emails or email marketing. It generates customized responses and follow-up emails, increasing the effectiveness of the businesses. It also manages business outreach and is a useful tool for generating leads effectively. 


It is a powerful and comprehensive email marketing tool with the most features and the best support, trusted and validated by clients. Smartlead is considered best when it comes to easy and smooth deliverability, Email outreach, and growth of a business.  

It provides some of the best features such as auto-rotating email accounts, a centralized master inbox, email warm-ups, email personalization and validation, spintex, custom CRM and dynamic IP address. It has all in one place so that any business does not lose another conversion. It helps the most in creating business-to-business leads as cold email is used by businesses as a defined strategy to acquire customers.  

What’s Smartlead Best For? 

Unlimited rotating emails

  • It provides unlimited rotating emails which increases efficiency and saves a lot of time. 

Centralized master inbox

  • It helps to manage everything from one dashboard.
  • It provides a Shared Team Inbox for increased team collaboration, prospect & non-prospect categorization, and reply sentiment reports.
  • A shared team inbox helps in avoiding conflicting situations such as two different sales executives chasing the same lead.
  • One can easily track email open rate, reply rate, etc. to measure the response better and make the necessary changes according to it. 

Unlimited Email warm-up 

  • It provides unlimited email warmups which are AI-automated, making sure that the emails always land in the lead's inbox increasing the outreach. 

Email personalization

  • It provides highly personalized emails making sure to convert potential prospects into customers.    

Multichannel outreach  

  • It provides Multichannel outreach via channels such as LinkedIn, Email, WhatsApp, SMS, and Calls which leads to the generation of customers and expansion of the business. 

Email validation 

  • It provides Email validation detecting any invalid and undeliverable email addresses and detecting if the domain provided is reliable or not - adding efficiency to businesses.  
  • It also improves the sender's reputation by automatically detecting and moving mail send to the spam inboxes in the primary inbox. 


  • Provides Spintax for personalizing boring cold emails with unique email content during the email marketing campaign
  • The emails are auto-customized for each prospect during campaigns which increases the chance of lead conversions. 

Dynamic IP address per campaign 

  • Smartlead offers unique IP servers for every new campaign that it sends out. 
  • This feature helps to add security and feasibility for its users as they can access it from anywhere. 
  • It also improves deliverability because of the high email volume and shared domains. 
  • It also helps in containing the impact of a mistake made by a business as there are multiple users of dynamic domains. 

Smartlead has been highly valued by its customers in terms of the support and quick responses they get from the team. 

It is super easy to set up and has almost every necessary feature making the client stick to it. It’s the best in the process of advancing its features from time to time and making it more relevant for its customers according to their requirements. 


Mailshake is a versatile tool for omnichannel outreach, combining cold emails, LinkedIn, and cold calling. It offers follow-up automation, customizable templates, and trigger-based emails. Mailshake enhances deliverability, analyzes spam and sender scores, and optimizes domain settings. It integrates with popular CRM and productivity tools, provides real-time data metrics, A/B testing, and a Data Finder tool for prospecting. Mailshake includes an AI email writing tool, SHAKEspeare, and a user-friendly Chrome extension.

Mailshake is an email automation tool that helps sales teams to supercharge their email campaigns and drive meaningful connections with their audience. This tool offers an intuitive campaign builder to create and manage personalized email campaigns. You can also access customizable email templates and integration with popular CRMs and productivity tools such as Salesforce, HubSpot, and Google Workspace. With its campaign builder, advanced personalization options, analytics, integrations, email deliverability tools, and automated follow-ups, empowers you to execute effective email campaigns, nurture relationships, and drive more sales. 

What’s Mailshake’s Best for? 

Mailshake for Omnichannel Outreach

  • Mailshake lets you run multichannel outreach combining cold emails, LinkedIn, and cold calling. You can send LinkedIn messages, create sequences, visit profiles, and send connection requests to your prospects. 
  • Mailshake allows you to set follow-up automation for your cold outreach campaigns. It also offers you a repository of customizable follow-up email templates. Moreover, you can set trigger-based follow-up emails to automate the entire sales flow. 
  • Within Mailshake, you can add recipients to a campaign individually or in bulk by uploading a CSV file/Spreadsheet.

Mailshake for Deliverability

  • Once you connect your existing/new email account, Mailshake’s warm up tool automatically works on increasing the sender reputation by opening, replying, and removing emails from spam. 
  • You can analyze your spam score and sender score to ensure landing in leads’ inboxes. 
  • The email deliverability setup tool checks your domain for optimal delivery such as DKIM, SPF, and DMARC records. 
  • SHAKEspeare, the AI email writing tool, can write personalized email copies for you in minutes. It can generate up to 3 variations of the same email.  

Mailshake for Prospecting and Integrations

  • Mailshake offers a plethora of native integration with other CRM and productivity tools such as HubSpot, Salesforce, Pipedrive, GSuite, Outlook, Calendly, Zoho, SMTP, Slack, LinkedIn, etc.
  • This cold outreach tool also offers a Chrome extension. 
  • Mailshake offers real time access to data metrics such as opens, clicks, and replies for every campaign. Moreover, you can A/B test (split test) your individual emails as well as entire campaigns to ensure better results. 
  • The Data Finder tool lets you find prospects based on company names, locations, and job roles. Within Mailshake, you can identify your leads and start cadences in one place. 

Can Autoklose Be A Close Alternative? 

Unlike other marketing tools, Autoklose is the first email outreach software with an already integrated B2B database. It already comes with 8 billion verified B2B leads. It reduces the onboarding time saving 3 hours per day per sales rep. It uses real-time reporting and analytics and syncs seamlessly within the existing sales stacks. It is a very handy tool with an easy-to-use interface.

What's Autoklose Best For? 

Targeting Right Prospects

It helps target the right prospects by utilizing the huge database packed with clean, verified B2B leads from different industries and applying several powerful filters.


Increasing Engagement

It increases engagement by email automation follow-ups and converts the prospects into loyal customers by sending out sequences of highly tailored emails at scale. It also helps in managing marketing campaigns and automating the sales process. 

Growth Of The Business

Helps in the growth of the business by monitoring the performance of the campaigns and individual team members and analyzing reports directly from the dashboard. 

How Easy Is It On Your Pocket?

Smartlead Pricing 

It has two separate plans monthly and annually both are slightly different in pricing and features provided in them. 

Free Trial is provided for both Basic and Popular plan in both the monthly and yearly plans. The free trial provides users with a pre-insight.  

  • Basic plan : $39/month
  • Popular plan:  $79/month 
  • Pro plan : $94/month 
  • Custom plan: Fully customizable pricing 

Mailshake Pricing


  • Email Outreach: $58/month/user
  • Sales Engagement: $83/month/user

Data Finder

  • Free
  • Starter: $49/month
  • Pro: $99/month 
  • Enterprise: $249/month 

Autoklose Pricing

Auto Kloser 

  • $59.99 per user per month
  • $49.99 per user per month Annually 

Advanced Kloser 

  • $69.99 per user per month
  • $59.99  per user per month Annually 

Accelerated Kloser 

  • $99.99 per user per month
  • $ 89.99  per user per month Annually 


In this article, we have provided you with insights into the features and functionalities of different tools. We hope that you will be able to make an informed decision based on the analysis. We have touched on every important topic to take into consideration by you while choosing your best match whether it's pricing, reviews, or different features. 

Frequently asked questions

General Questions

What are active leads?

Active leads are the contacts you upload in Smartlead, similar to contacts in HubSpot; if you upload 1000 leads to a campaign, they are considered 1000 active leads. If you upload similar leads to a new campaign, they are not considered a “new active lead” as they already exist in our system.

Do you provide mailboxes, or do I need to connect my own?

We don’t offer mailboxes yet. You need to get your own dedicated list of mailboxes using popular providers like Gmail, Outlook, Zoho, and others that exist in the market. Once you get them, follow our detailed guides to connect them quickly.

Do you offer guides and articles on succeeding with cold emails?

Absolutely, one of our most popular guides can be found right here. It's been used by a large percentage of users to go from zero to cold emailing experts. Covering all topics from email infrastructure to copywriting and lead sourcing.

Is another tool needed for warmups?

No, Smartlead has over 200,000 highly reputed mailboxes connected. The advantage you get along with naturalized AI conversations is access to aged domains you will never find in any warmup tool.

What is the API commonly used for?

It is used popularly by agencies to automate their entire lead generation process as well as to connect Smartlead to external tools to push and pull data from. You can also connect to 1000s of apps using Zapier.

What type of businesses sees the most success with Smartlead?

Anyone that can close deals from demos will succeed with Smartlead. It works for Sales companies, Marketing agencies, SaaS businesses, Recruitment, and offline companies (like construction).

Do you provide me with lead sources?

We do not provide you with leads. You will need to use other data providers. These leads can be automatically added to Smartlead using our API or bulk uploaded via our CSV upload system.

Do you integrate with any CRMs?

We're building native integrations with Hubspot, Salesforce, Close, Pipedrive, and many more. The best part, due to our open API and Webhook infrastructure, you can connect to any CRM in the world without an issue.

How many team members can I add?

You can add an unlimited number of team members, as well as assign them roles and authority access.

Do you have custom plans beyond the Pro plan?

Yes, it's common for many people to move to Custom plans after a few weeks. You can view all the options for up to 10M leads on the subscription page once you sign up for free.

Powerful Automated Email Marketing that Drives Sales.

  • All Features Included
  • No Credit Card Required
  • Free Warmup Included