Mass Email Services are tools or software that let you send a large number of emails at once to many recipients. Businesses, organizations, and marketers often use them for things like:
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Newsletters
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Promotional campaigns
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Event invitations
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Product announcements
Instead of sending emails one by one (which would take forever), these services help automate the process and often include extra features like:
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Tracking who opened the email
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Seeing who clicked on links
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Personalizing emails for each person (like putting their name in the greeting)
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Managing unsubscribe lists to stay legally compliant (like with GDPR or CAN-SPAM laws)
Some popular examples are Mailchimp, SendGrid, Constant Contact, and MailerLite.
Top 7 Free Bulk Email Senders (2025 Edition)
1. Sendinblue (now Brevo)
About:
A complete communication platform offering email, SMS, WhatsApp, and live chat in one dashboard.
Key Features:
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Unlimited contacts
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300 emails/day (~9,000/month)
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Advanced automation: workflows, lead scoring
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Transactional email service
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SMS & WhatsApp marketing
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CRM features: deal pipelines, tasks
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Real-time reporting dashboard
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GDPR and security compliant
Limitations:
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Daily email sending limit on free plan
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No premium templates in free plan
Pros:
Unlimited contacts
Multi-channel (Email, SMS, WhatsApp)
Advanced automations even in free plan
Cons:
Daily email cap can be restrictive
Learning curve for complex automation
Best For:
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Growing businesses
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Companies needing SMS + Email combo
2. MailerLite
About:
MailerLite offers powerful tools but keeps the platform clean, modern, and easy to use.
Key Features:
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1,000 subscribers + 12,000 emails/month (Free Plan)
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Drag-and-drop editor
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Automation builder (if-then flows)
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Landing page builder
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Signup forms & pop-ups
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Basic reporting and A/B testing
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RSS campaigns (send automatic blog updates)
Limitations:
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Manual account approval required
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Limited advanced reporting on free plan
Pros:
Intuitive interface
Good landing page and form tools
Affordable premium plans
Cons:
Slight delay in account approval
Limited integrations (compared to Mailchimp)
Best For:
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Bloggers
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Solopreneurs
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Creatives (coaches, designers)
3. Moonsend
About:
Moonsend focuses on sophisticated marketing automation features.
Key Features:
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30-Day Free Trial (No free forever plan)
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Drag-and-drop automation builder
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Behavioral email targeting
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Real-time website tracking
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Predictive analytics
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Forms, landing pages included
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Dynamic content based on user activity
Limitations:
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Only free for 30 days
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Higher price after trial
Pros:
Deep automation capabilities
Excellent dynamic personalization
Good for agencies and marketing teams
Cons:
No permanent free plan
More complex setup
Best For:
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Marketing agencies
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Brands needing detailed workflows
4. Benchmark Email
About:
Benchmark is ideal for simple, fast, mobile-friendly email marketing.
Key Features:
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500 subscribers + 3,500 emails/month (Free Plan)
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Drag-and-drop editor
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Mobile responsive templates
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Basic automations (welcome emails, birthdays)
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Real-time engagement reports
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Embed polls and surveys directly in emails
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GDPR compliant
Limitations:
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Limited automation on free
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Branding/logo on free plan emails
Pros:
Very easy to use
Good mobile optimization
Built-in survey tools
Cons:
Limited automation features
Branding in free emails
Best For:
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Local businesses
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Quick announcements or promotions
5. Omnisend
About:
Omnisend is purpose-built for ecommerce businesses looking for multi-channel marketing.
Key Features:
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250 contacts + 500 emails/month (Free Plan)
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Email + SMS + Web Push Notifications
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Pre-built ecommerce workflows: cart abandonment, product recommendations, etc.
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Drag-and-drop content builder
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Split automations (A/B test workflows)
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Segmentation based on purchase behavior
Limitations:
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Low email quota on free
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SMS credits not included in free plan
Pros:
Multichannel campaigns
Powerful ecommerce automation
Excellent segmentation tools
Cons:
Small free plan limits
SMS expensive without upgrade
Best For:
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Shopify or WooCommerce stores
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Ecommerce brands doing cart recovery
6. Mailchimp
About:
Mailchimp is one of the most popular email marketing services, especially known for its beginner-friendly interface.
Key Features:
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Drag-and-drop email designer
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500 contacts + 3,500 monthly emails (Free Plan)
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Basic automation (welcome emails, birthday emails)
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Audience segmentation (tags, groups)
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Templates for newsletters, promotions, announcements
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Integrations: Shopify, WordPress, Zapier, and 300+ others
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A/B Testing (limited in free plan)
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Reporting and analytics: open rates, clicks, device reports
Limitations:
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Mailchimp logo on free plan emails
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Expensive as you scale contacts
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Automation is limited in free plan
Pros:
Beginner-friendly
Rich template library
Great for small business marketing
Cons:
Limited automation unless you upgrade
Pricing grows fast with list size
Best For:
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Startups
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Small businesses
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Bloggers
7. Sender
About:
Sender focuses on simplicity and performance, making it great for ecommerce and transactional emails.
Key Features:
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2,500 subscribers + 15,000 emails/month (Free Plan)
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Drag-and-drop or HTML email editor
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Automation workflows (welcome series, drip campaigns)
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Smart segmentation (location, actions)
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Real-time analytics: clicks, opens, location tracking
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Personalization options: dynamic content insertion
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Supports transactional emails (order confirmation, password reset)
Limitations:
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No SMS in free plan
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Slightly fewer integrations than others
Pros:
Very generous free plan
High deliverability rates
Good automation for free
Cons:
Basic template collection
Interface can feel slightly outdated
Best For:
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Ecommerce stores
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Freelancers needing newsletters + automation
Final Comparison Table (Expanded)
| Platform | Contacts | Emails/month | Automation | SMS | Best For |
|---|---|---|---|---|---|
| Mailchimp | 500 | 3,500 | Basic | No | SMBs |
| Sender | 2,500 | 15,000 | Yes | Yes (paid) | Ecommerce |
| Sendinblue | Unlimited | 9,000 (300/day) | Advanced | Yes | Business |
| MailerLite | 1,000 | 12,000 | Yes | No | Creatives |
| Moonsend | Trial Only | – | Advanced | No | Agencies |
| Benchmark | 500 | 3,500 | Basic | No | Quick campaigns |
| Omnisend | 250 | 500 | Yes | Yes | Ecommerce |
Right Mass Email Service for Your Want
1. Identify Your Main Goal
Ask yourself:
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Are you sending simple newsletters?
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Do you need automated emails (like welcome emails, abandoned cart reminders)?
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Will you also send SMS, push notifications, or need a CRM?
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Are you focusing on transactional emails (order confirmations, password resets)?
Example:
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Just newsletters – Choose a simple tool like Benchmark or MailerLite
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Automation + CRM – Go with Sendinblue or Omnisend
2. Estimate Your Audience Size
Think about:
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How many subscribers you have now
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How fast your list will grow
Example:
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If you expect less than 1,000 contacts, MailerLite or Mailchimp free plan is enough.
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If you need more contacts free, Sender offers 2,500 free contacts.
3. Check the Sending Limits
Some services limit how many emails you can send per month or per day.
Example:
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Sendinblue limits you to 300 emails/day (even if you have 10,000 contacts)
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Sender lets you send 15,000/month without daily caps
Choose a service that fits how often you want to email!
4. Decide If You Need Automation
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Simple campaigns: You can use tools like Benchmark Email or MailerLite.
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Advanced automations: Choose Sendinblue, Omnisend, or Moonsend.
Examples of automation:
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Welcome series for new subscribers
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Birthday emails
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Re-engagement campaigns
5. Look for Extra Features You Might Need
Do you want:
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Landing pages (for lead generation)?
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Forms and popups to collect emails?
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SMS marketing alongside email?
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A/B testing to optimize your campaigns?
If yes, prefer full-feature tools like MailerLite (landing pages) or Sendinblue (SMS + email).
6. Check Pricing for When You Grow
Free plans are great now, but check future costs when you grow:
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Mailchimp can get expensive fast.
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Sender and MailerLite are budget-friendly when scaling.
7. Ease of Use and Support
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Are you tech-savvy or do you want easy drag-and-drop editors?
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Need 24/7 support or ok with email-only support?
Example:
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Mailchimp = super easy, tons of tutorials.
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Sendinblue = powerful but slightly more complex.
FAQ:
1. What is a Mass Email Service?
A mass email service lets you send one email to hundreds, thousands, or millions of people at once — used for newsletters, promotions, announcements, or updates.
2. What Features Should I Look for in a Mass Email Service?
Contact list management
Email templates
Automation workflows
Reporting and analytics
High deliverability rates
Integration with your website or CRM
Scalability (grow as your list grows)
3. Are There Really Free Mass Email Services?
Yes!
Many top platforms offer free plans with certain limits on subscribers and monthly email sends (like Mailchimp, Sender, and Sendinblue).
But beware: as you grow, you may need a paid plan.
4. What’s the Difference Between Transactional and Marketing Emails?
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Transactional emails: automatic responses (e.g., order confirmation, password reset).
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Marketing emails: newsletters, product promotions, event invitations.
Some services (like Sendinblue) offer both.
5. Which Mass Email Service is Best for Beginners?
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MailerLite (easy setup, clean interface)
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Mailchimp (tons of tutorials and templates)
6. Which Service is Best for Ecommerce Stores?
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Omnisend (built specifically for ecommerce, cart abandonment, product recommendations)
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Sendinblue (good automation + SMS marketing)
7. Do Free Plans Have Branding?
Usually yes.
Many free plans will automatically add the service’s logo or branding to your emails (example: “Sent with Mailchimp”).
You need a paid plan to remove it.
8. Can I Send SMS Along with Emails?
Yes!
Some services (like Sendinblue and Omnisend) allow SMS marketing along with emails, even on free or low-cost plans.
9. How Important is Email Deliverability?
Very important.
If your service has poor deliverability, your emails could land in spam folders.
Good services like Sender, Sendinblue, and Omnisend have strong deliverability reputations.
10. Can I Migrate Between Email Services Later?
Yes!
You can export your subscriber list (usually in a .CSV file) and import it into a new service.
However, automations and templates usually need to be rebuilt manually.
11. What Happens If I Exceed My Free Limits?
Most services will either:
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Pause your sending ability until you upgrade, or
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Charge you overage fees.
It’s better to monitor your usage and upgrade before hitting limits.
12. Is It Legal to Send Mass Emails?
Yes, but you must follow laws like:
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CAN-SPAM Act (USA)
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GDPR (Europe)
This means:
Getting consent before emailing
Including an unsubscribe link
Being clear about who you are
Good mass email apps help you stay compliant automatically.
Summary:
Mass Email Services help you send newsletters, promotions, and updates to large audiences easily.
Top 7 Free Email Services:
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Mailchimp — Easy for beginners
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Sender — Best free limits (2,500 contacts, 15,000 emails)
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Sendinblue (Brevo) — Advanced automation + SMS support
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MailerLite — Clean, simple, and good for landing pages
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Moonsend — Best for deep automation (but free only for 30 days)
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Benchmark Email — Good for basic campaigns and mobile-friendly emails
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Omnisend — Built for ecommerce, SMS + push notifications
Choosing Tips Email Services:
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Define your main goal (newsletters, automation, ecommerce)
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Estimate audience size and email volume
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Check if you need extra features (landing pages, SMS, CRM)
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Watch future pricing as your list grows
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Make sure it’s easy for you to use
Important to Remember:
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Free plans often have branding and sending limits
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SMS and automation features are often paid extras
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Always follow legal rules (GDPR, CAN-SPAM) when emailing
Best Picks:
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Simple newsletters – Mailchimp or MailerLite
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Automation & SMS – Sendinblue or Omnisend
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Big free sending limits – Sender
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Ecommerce – Omnisend
