A bulk email sender is a software tool that helps businesses send large volumes of emails—such as newsletters, promotional campaigns, transactional updates, and announcements—to thousands of recipients at once, while ensuring high inbox delivery and compliance with email regulations.

Whether you’re a startup, SaaS company, ecommerce brand, or enterprise marketer, choosing the right bulk email sender can directly impact open rates, conversions, and sender reputation.

In this guide, you’ll learn:

• What a bulk email sender is and how it works
• Key features to look for in a bulk email sending tool
• Common use cases for businesses
• Why Mailercloud is a reliable bulk email sender for scalable email campaigns

What Is a Bulk Email Sender?

A bulk email sender is a software tool that allows businesses to send large volumes of emails—such as newsletters, promotional campaigns, and transactional updates—to targeted contact lists at scale.

Unlike regular email clients, bulk email senders are built to improve deliverability, automate campaigns,
and provide detailed analytics to optimize email performance.

Must-Have Features of a Bulk Email Sender

A reliable bulk email sender typically includes the following features:

• Contact segmentation and tagging
• Free plan or trial availability
• Drag-and-drop email builder
• Email tracking and performance analytics
• Automation workflows for campaigns

These features help businesses manage bulk email campaigns efficiently while maintaining inbox placement and engagement.

How Does a Bulk Email Sender Work?

A bulk email sender works by allowing businesses to send a single email campaign to thousands of recipients through a specialized email infrastructure designed for scale and deliverability.

Here’s how bulk email sending typically works:

• Upload or sync your contact list into the bulk email sender
• Segment contacts based on behavior, tags, or demographics
• Create an email using a drag-and-drop builder or templates
• Authenticate your domain to improve inbox placement
• Schedule or send the campaign to your audience
• Track opens, clicks, bounces, and engagement metrics

This process helps businesses send bulk emails efficiently while maintaining sender reputation and compliance.

Why Businesses Use Bulk Email Sending Software

Businesses use bulk email sending software to communicate with large audiences efficiently
while maintaining control over deliverability, engagement, and compliance.

Bulk email senders are commonly used for:

• Sending newsletters and product updates to subscribers
• Running promotional and seasonal email campaigns
• Sharing transactional and account-related emails
• Nurturing leads and onboarding new customers
• Re-engaging inactive contacts at scale

By using bulk email sending software, businesses can scale email communication without relying on manual or unreliable email methods.

Key Features of a Good Bulk Email Sender

A good bulk email sender should do more than just send emails at scale. It should help businesses improve deliverability, manage contacts efficiently, and optimize campaigns for better engagement and results.

1. High Deliverability Infrastructure

A reliable bulk email sender uses dedicated sending infrastructure, domain authentication, and reputation monitoring to ensure emails land in inboxes instead of spam folders.

2. Contact Management, Segmentation, and Tagging

Advanced contact management allows businesses to organize subscribers using tags, lists, and behavioral data, making it easier to send targeted and relevant emails.

3. Automation and Workflow Capabilities

Automation features enable businesses to create workflows for welcome emails, follow-ups, lead nurturing, and re-engagement campaigns without manual effort.

4. Drag-and-Drop Email Builder and Templates

A user-friendly email builder with pre-designed templates helps teams create professional emails quickly, without requiring coding skills.

5. Email Tracking and Performance Analytics

Detailed analytics such as open rates, click-through rates, bounces, and unsubscribes help businesses measure campaign performance and optimize future sends.

6. SMTP Relay and Email API Access

For developers and growing businesses, SMTP relay and Email APIs allow bulk emails and transactional messages to be sent programmatically and at scale.

7. Compliance and Security Support

A good bulk email sender supports compliance with regulations like GDPR and CAN-SPAM, offering features such as unsubscribe management, consent tracking, and secure data handling.

These features help businesses run bulk email campaigns efficiently while protecting sender reputation and improving engagement.

Best Bulk Email Sender Software for Businesses

Below is a comparison of popular bulk email senders and email marketing platforms, including tools that offer free plans for sending emails at scale.

Bulk Email Sender	Best For	Standout Feature	Free Plan
Mailercloud	High deliverability & automation	AMP support & segmentation	1,000 subscribers & 12,000 emails/mo
Sender	Affordable bulk emailing	Workflows & segmentation	2,500 subscribers & 15,000 emails/mo
Brevo	Transactional emails & SMS	CRM & SMS marketing	300 emails/day
Mailchimp	Beginners	A/B Testing & Templates	500 contacts & 1,000 emails/mo
SendGrid	Developers	Email API & validation	100 emails/day
Constant Contact	Events & SMBs	Event tools	60-day free trial
GetResponse	AI-based automation	AI email optimization	500 contacts
Campaign Monitor	Reporting & templates	Behavioral targeting	Trial only
AWeber	Newsletters & SMBs	Responsive templates	500 subscribers & 3,000 emails/mo
Moosend	Budget users	Unlimited emails on paid plans	250 subscribers

Best Bulk Email Sender Software for Businesses

1. Mailercloud

Mailercloud is a bulk email sender designed for businesses that need reliable deliverability, email automation, and scalable campaign management. It supports both marketing and transactional email use cases, making it suitable for startups, SMBs, and growing businesses.

Key strengths:

• Drag-and-drop email builder – Create campaigns without coding
• Automation workflows – Set up lead nurturing and engagement sequences
• AMP email support – Enable interactive email experiences
• Deliverability-focused infrastructure – Improves inbox placement
• Segmentation and contact tagging – Supports targeted campaigns
• Free plan available – Suitable for startups and small businesses

Limitations:

• Advanced automation features are better suited for growing teams
• High-volume senders may need to upgrade to paid plans
• Not designed specifically for cold email outreach

Mailercloud supports automation workflows for common email use cases such as welcome emails, cart abandonment, and drip campaigns. Businesses can segment audiences based on behavior and track engagement in real time to improve campaign performance.

The platform also integrates with popular CRM, ecommerce, and productivity tools, helping teams manage subscribers and execute campaigns more efficiently.

Mailercloud Pricing:

Free for up to 1,000 subscribers and 12,000 emails per month. Paid plans unlock advanced features like additional automation steps and higher sending limits.

2. Sender

Sender is a cost-effective bulk email sender that allows businesses to send mass emails for free while maintaining high deliverability rates.

The platform comes with a drag-and-drop email builder, making it easy to design professional emails. Sender also offers pre-built automation workflows, allowing businesses to set up email sequences for different customer interactions.

Additionally, Sender integrates with popular eCommerce platforms like Shopify and WooCommerce, helping online businesses automate their marketing. It also supports popups and lead generation tools to grow email lists quickly.

Sender Pros:

• Drag-and-drop email editor – Simple and intuitive design
• Automation workflows – Pre-built sequences for lead nurturing
• Advanced segmentation – Personalized email marketing
• High-converting popups – Helps grow your email list faster
• eCommerce & CRM integrations – Works with Shopify, WooCommerce, and more

Sender Cons:

• Limited email template designs in the free plan
• Fewer advanced automation options compared to premium platforms

Pricing:

Free for up to 2,500 subscribers and 15,000 emails per month. Paid plans offer advanced automation and customization options.cribers and 15,000 emails per month. Paid plans offer more automation and customization features.

3. Brevo (formerly Sendinblue)

Brevo is an all-in-one bulk email sender that provides both marketing and transactional email solutions. It also offers SMS marketing, making it a great option for businesses that need multi-channel communication.

Its email automation tools allow users to send behavior-based emails, while its CRM integration ensures smooth customer interactions. Transactional email support makes it ideal for businesses sending order confirmations, account updates, and real-time notifications.

Brevo Pros:

• Email & SMS marketing – Send bulk emails and texts
• Pre-built automation workflows – Set up behavior-based triggers
• CRM integration – Store and manage customer data
• High deliverability – Ensures emails reach inboxes

Brevo Cons:

• Daily sending limits on the free plan
• Some advanced analytics require a premium plan

Pricing:

Free for 300 emails per day. Paid plans start at $25/month.

4. Mailchimp

Mailchimp is one of the most recognized email marketing platforms, offering a beginner-friendly interface and powerful automation tools.

With its drag-and-drop editor, users can create engaging emails without technical expertise. It also provides A/B testing to optimize campaigns and audience segmentation for better targeting. You must always remember to send test emails before you publish your campaign.

Mailchimp integrates with various eCommerce and CRM platforms, making it a good choice for small businesses looking to grow their email marketing strategy.

Mailchimp Pros:

• User-friendly email editor – Simple drag-and-drop functionality
• Pre-built automation – Set up automated email sequences
• Audience segmentation – Deliver targeted content
• A/B testing – Optimize campaigns for better engagement

Mailchimp Cons:

• Limited automation features in the free plan
• Pricing increases as subscriber count grows

Pricing:

Free for 500 contacts and 1,000 emails per month. Paid plans start at $13/month.

5. SendGrid

SendGrid is a developer-friendly email platform that offers high-volume bulk email sending with robust API integrations.

It provides both transactional and marketing email services, making it a great choice for businesses that need custom email workflows. The platform also includes email validation and detailed analytics, helping users monitor performance and improve deliverability.

SendGrid Pros:

• API-first approach – Seamless integration for developers
• Transactional & marketing emails – Ideal for automated messaging
• Advanced analytics – Real-time tracking and insights

SendGrid Cons:

• Requires technical setup for API use
• Advanced features require a premium plan

Pricing:

Free for 100 emails per day. Paid plans start at $15/month.

6. Constant Contact

CConstant Contact is a popular bulk email sender designed for small businesses, non-profits, and event organizers.

It offers customizable templates, event management tools, and social media integrations to help businesses grow their online presence.

Constant Contact Pros:

• Customizable email templates – Professional designs
• Event management tools – Ideal for webinars & product launches
• List segmentation & automation – Target audiences effectively

Constant Contact Cons:

• No free plan available
• Limited advanced automation compared to competitors

Pricing:

Starts at $12/month, with a 30-day free trial available.

7. GetResponse

GetResponse is an all-in-one email marketing platform that integrates AI-driven automation, webinars, and landing pages into a single solution. This makes it an excellent choice for businesses that need more than just email marketing.

One of GetResponse’s standout features is its AI-powered email optimization, which helps users improve open and click rates by analyzing recipient behavior. Additionally, it offers automated email sequences, making it easy to set up drip campaigns and lead nurturing workflows.

Another key feature is its webinar hosting, allowing businesses to engage their audience through live or automated webinars. This makes it a valuable tool for educators, SaaS businesses, and service providers looking to convert leads into customers through interactive content.

GetResponse Pros:

• AI-powered email optimization – Increases engagement and open rates
• Automated email sequences – Supports drip campaigns and lead nurturing
• Webinar hosting – Allows users to host live and automated webinars
• Landing page builder – Create high-converting pages alongside email marketing

GetResponse Cons:

• Limited free plan features – Only basic tools are available for free users
• Advanced segmentation requires higher-tier plans – More customization comes at an extra cost

Pricing:

No free plan available. Paid plans start at $9/month.

8. Campaign Monitor

CCampaign Monitor is a reliable bulk email sender known for its customizable email templates and advanced reporting features.

Its drag-and-drop email designer makes it easy for businesses to create beautifully branded emails without any design experience. Additionally, behavioral targeting allows businesses to send highly personalized emails based on recipient actions, leading to higher engagement rates.

Campaign Monitor also excels in detailed reports and analytics, providing insights into open rates, click-through rates, and audience behavior. This makes it a great option for businesses looking to optimize their email marketing campaigns through data-driven decisions.

Campaign Monitor Pros:

• Drag-and-drop email designer – Fully customizable templates
• Behavioral targeting – Personalize emails based on user actions
• Detailed reports & analytics – Track campaign performance for better optimization
• Transactional email support – Ideal for eCommerce businesses

Campaign Monitor Cons:

• No free plan available – Users must opt for a paid plan
• Pricing is based on the number of emails sent – Can become expensive for high-volume senders

Pricing:

Starts at $9/month, with a free trial available.

9. AWeber

AWeber is a simple yet powerful bulk email sender, making it a great option for small businesses and entrepreneurs.

The platform provides responsive email templates, ensuring that emails look great on any device. Additionally, AWeber includes list management and segmentation tools, making it easy to organize subscribers and send targeted emails based on their behavior.

A/B testing is another useful feature, allowing businesses to test subject lines, email content, and send times to optimize engagement rates.

AWeber Pros:

• Responsive email templates – Mobile-friendly and professionally designed
• List management & segmentation – Helps organize and engage subscribers
• A/B testing – Improve campaign effectiveness with split testing
• Landing page builder – Helps capture leads and grow email lists

AWeber Cons:

• Fewer automation features in the free plan – Advanced automation requires an upgrade
• Lacks built-in SMS marketing – Focuses primarily on email campaigns

Pricing:

Free for 500 subscribers and 3,000 emails per month. Paid plans start at $19.99/month.

10. Moosend

Moosend is an AI-powered email marketing platform that offers advanced automation, segmentation, and a user-friendly drag-and-drop email builder.

One of Moosend’s strengths is its affordable pricing, making it an attractive option for businesses that need high-volume email sending without excessive costs. Its automation capabilities allow users to create workflows based on user actions, helping businesses save time and improve engagement.

Additionally, Moosend provides unlimited emails on paid plans, making it an excellent choice for companies that send frequent newsletters or promotional campaigns.

Moosend Pros:

• Drag-and-drop email builder – Create professional emails with ease
• Advanced automation – AI-driven workflows for targeted campaigns
• Unlimited emails on paid plans – Ideal for businesses that send high volumes
• Landing page and form builder – Helps with lead generation

Moosend Cons:

• Limited free plan features – Free users have fewer customization options
• Fewer integrations compared to top-tier providers – Might not support all business tools

Pricing:

Free for 250 subscribers. Paid plans start at $9/month.

How to Send Mass Emails Without Deliverability Issues

Many businesses struggle with email deliverability when sending emails for free using platforms like Gmail. If you want to send bulk emails without ending up in the spam folder, follow these best practices. One common issue that affects email deliverability is receiving a ‘Mailer Daemon’ message, which indicates that your email failed to send. Learn more about What is Mailer Daemon and How to Fix It.

Authenticate Your Emails – Use SPF, DKIM, and DMARC to improve sender reputation.
Optimize Your Email Copy – Avoid spam-triggering words in the subject line and body.
Use a Reliable Bulk Email Provider – A mass email software like Mailercloud helps businesses send it easily while improving email deliverability.
Set Up Email Sequences – Automate follow-ups to enhance engagement.
Monitor Your Email Deliverability – Regularly check bounce rates and click performance.

Why Bulk Email Marketing is Still Effective

Is bulk email marketing outdated? Not at all! 🚀

In the digital era, businesses need to send emails consistently to nurture leads, engage customers, and drive conversions. Despite the rise of social media, email marketing campaigns continue to dominate. Here’s why:

• Emails are 40x more effective than social media for customer acquisition (McKinsey Study).
• 1.7 billion people use mobile phones to send & receive emails.
• 85% of users check their email newsletter on their smartphones first.

With AI-driven automation, segmentation, and personalization, bulk email software now helps businesses improve engagement, deliverability, and ROI while ensuring compliance with regulations like permission-based email marketing.

How Bulk Email Campaigns Drive Engagement and Conversions

A well-crafted bulk email campaign is one of the best ways to send mass emails and generate high click rates. Marketers who optimize their email content by using a strong subject line and targeted segmentation can see up to a 760% increase in ROI.

Benefits of Running a Mass Email Campaign:

• Higher Engagement – Personalized email automation results in better open and click rates.
• Scalability – Businesses can send bulk emails without worrying about server limitations.
• Global Reach – A mass email service allows companies to expand their audience across worldwide services.
• Cost-Effective – Many bulk mailer software options offer free plans, making email marketing accessible for businesses of all sizes.
• Spam Compliance – Using a dedicated email delivery platform helps keep your emails out of the spam folder.

How to Send Bulk Emails Without Landing in the Spam Folder

Many businesses struggle with email deliverability when sending emails for free using platforms like Gmail. If you want to send emails at scale without ending up in the spam folder, follow these best practices:

Authenticate Your Emails – Use SPF, DKIM, and DMARC to improve sender reputation.
Optimize Your Email Copy – Avoid spam-triggering words in the subject line and body.
Use a Reliable Bulk Email Provider – A mass email platform like Mailercloud helps businesses send it easily while improving deliverability.
Set Up Email Sequences – Automate follow-ups to enhance engagement.
Monitor Your Email Deliverability – Regularly check bounce rates and click performance.

Choosing the Best Bulk Email Sender for Your Business

The best email marketing solutions offer free trials and support bulk mail sending. Whether you need a mass mailing solution for newsletters, promotional emails, or transactional messages, the right email sender lets you automate and optimize your campaigns.

💡 A great bulk email provider should include:

• Easy-to-use HTML email templates to design the email effortlessly.
• A dedicated email API for transactional messages.
• Advanced email automation for drip campaigns and segmentation.
• Reliable email delivery platform to ensure every email lands in the inbox.
• Support for emails from Gmail with business-level send time optimization.

If you’re looking for an email service that doesn’t require coding skills but still offers free mass email sending options, Mailercloud is a worldwide service that helps businesses send unlimited emails while optimizing their email marketing strategy.

Final Thoughts on Bulk Email Marketing

Email remains a powerful and effective email marketing tool when used strategically. By leveraging bulk email software, businesses can learn how to send high-converting mass email campaigns while keeping their email marketing results at peak performance.

Whether you’re a startup or an enterprise, using the best bulk email provider ensures that you can set up email workflows, optimize email sequences, and send bulk emails without hitting spam filters.

Frequently Asked Questions

What is the best bulk email sender?
Some of the best bulk email senders include Mailercloud, Brevo (formerly Sendinblue), Mailchimp, Constant Contact, Moosend, and Omnisend. These platforms offer features like high deliverability, easy-to-use templates, automation tools, and detailed analytics to support your email marketing campaigns.

How can I send 1000 emails for free?
Many bulk email tools offer free plans that allow you to send up to 1000 emails per month. Mailercloud, for example, offers a free plan that supports thousands of email sends with essential features included. Always check the sending limits and verify your email list quality to avoid delivery issues.

How to send 100 emails at once?
You can send 100 emails at once by using a bulk email platform like Mailercloud. Simply create your email content, upload your recipient list, and use the platform’s mass send feature. Make sure your email follows anti-spam regulations and includes an easy way for recipients to unsubscribe.

How can I send 10,000 emails a day?
To send 10,000 emails a day, you’ll need a scalable bulk email service with high daily sending limits. Mailercloud’s scalable plans allow businesses to send high volumes daily while ensuring excellent deliverability. For best results, authenticate your domain with SPF, DKIM, and DMARC settings, and warm up your IP if needed.

Can I send bulk emails for free?
Yes, some bulk email platforms like Mailercloud offer free plans that allow you to send a limited number of bulk emails per month. However, for higher sending limits and advanced features, upgrading to a paid plan is recommended.

How do I choose the best bulk email sender for my business?
Look for features like deliverability rates, automation, ease of use, scalability, reporting tools, pricing, customer support, and integrations with other tools you use. Always start with a free trial before committing to a paid plan.