The Best Email Marketing Services in 2025

Email marketing remains one of the most cost‑effective ways to keep customers engaged and drive revenue. In 2024 the largest providers such as Gmail and Yahoo introduced stricter sender requirements, making it more important than ever to use a dedicated platform. A good service should offer intuitive design tools, segmentation and automation features, strong deliverability and transparent pricing.

We evaluated leading providers based on features, ease of use, support, automation and price. This guide highlights eleven services we think stand out in 2025. It starts with Mail250, an AI‑driven platform headquartered in India, followed by popular platforms such as Brevo, HubSpot and Mailchimp. Pricing is listed in US dollars for monthly plans where available.

Comparison at a Glance

Service	Best for	Free plan (contacts/emails)	Starting paid price*
Mail250	AI‑powered deliverability & unlimited sends	—Yes	$20/month
Brevo	Growing businesses & multichannel marketing	300/day & 9,000/mo	$9 for 5,000 emails/mo
HubSpot	Enterprise CRM & marketing automation	2,000/mo	$40/mo for 2,000 contacts
Mailchimp	Simple emailing & integrations	1,000/mo & 500 contacts	$13/mo for 500 contacts
Kit (ConvertKit)	Bloggers & content creators	10,000 subscribers with limited automation	$15/mo for 300 contacts
Klaviyo	Ecommerce automation & SMS	250 contacts & 500 emails	$20/mo for 500 contacts
AWeber	Bloggers & template variety	500 contacts & 3,000 emails	$14.99/mo
ActiveCampaign	Advanced automation workflows	14‑day trial (limited contacts)	$39/mo for 1,000 subscribers
GetResponse	Webinars & all‑in‑one marketing	500 contacts & unlimited emails	$19/mo for 1,000 subscribers
Constant Contact	Non‑profits & social media tools	no free plan	$12/mo for 500 subscribers
Campaign Monitor	Template selection & white‑labelling	Up to 5 contacts (free trial)	$11/mo for 500 subscribers
MailerLite	Customer support & affordability	1,000 contacts & 12,000 emails	$10/mo for 500 contacts

*Prices are for entry‑level paid plans and may vary based on contact or email volume.

1. Mail250 – AI‑Driven Email Deliverability

Mail250 is a lesser‑known player that stands out for its AI‑powered infrastructure and unlimited send limits. Instead of limiting how many messages you can send, every plan offers unlimited contacts and emails with varying hourly speeds. Its homegrown i‑MTA engine adapts to anti‑spam rules and global delivery policies so you don’t have to worry about throttling.

Key features

• Content analyzer & design tools: Mail250 includes a drag‑and‑drop builder and a content analyzer that helps you craft subject lines and copy to drive engagement.
• AI‑driven deliverability: The i‑MTA engine automatically stays up‑to‑date with anti‑spam policies and optimizes sending speed.
• Actionable analytics: Simple metrics and insights help you troubleshoot campaigns and optimize send time.
• Unlimited contacts & sends: Even the entry‑level plan ($20/month) includes unlimited contacts, SMTP support, a dedicated IP and automated warm‑up.
• 24/7 support: Live chat, webinars and one‑to‑one calls are available without extra cost.

Pricing

Mail250 offers four startup plans and four SMB plans. All include unlimited contacts and emails; the main difference is sending speed and dedicated IPs. The Starter plan costs $20 per month and allows 200 emails/hour. The Plus plan ($30) raises speed to 400 emails/hour, Pro Plus ($50) to 1,000 emails/hour, and Dedicated ($150) includes a dedicated IP and 2,500 emails/hour. Larger SMB plans range from $129 to $549 monthly.

Pros and cons

Pros	Cons
Unlimited emails and contacts on every plan AI‑driven deliverability via i‑MTA Built‑in content analyzer and analytics Dedicated IPs even on low‑cost plans	Hourly sending speeds may be limiting for very high‑volume senders Small community and fewer integrations than bigger platforms Lacks built‑in landing page or website builder Interface may feel basic compared with larger competitors

2. Brevo – Multichannel Marketing for Growing Businesses

Brevo (formerly Sendinblue) is designed for small businesses that plan to grow. Its drag‑and‑drop editor lets you build on‑brand emails and reuse your assets. The platform is more than email: it integrates SMS, WhatsApp, live chat and push notifications so you can manage all campaigns from one interface.

Key features

• Flexible editor & templates: Upload brand assets once and reuse them; choose from fully responsive templates.
• Segmentation & personalization: Create targeted campaigns based on behaviors and attributes.
• A/B testing & send‑time optimization: Test subject lines and optimize send time for each subscriber.
• AI assistant: Brevo’s AI helps craft subject lines and marketing content.
• Marketing automation: Premade automation templates, website tracking triggers and omnichannel workflows.
• Transactional emails & SMTP relay: Manage order confirmations or password resets alongside marketing campaigns.

Pricing

Brevo’s Free plan sends up to 300 emails per day (9,000/month) and includes all core features. Paid plans start at $9/month for 5,000 emails; pricing scales with the number of emails you send. All paid tiers include email support, while chat/phone support is available on higher plans.

Pros and cons

Pros	Cons
Easy‑to‑use interface and affordable pricing Multichannel marketing (SMS, WhatsApp, chat and push) AI‑powered content generation	Limited email template gallery compared with some competitors Some advanced features are basic compared with industry‑specific tools Free plan capped at 300 emails/day

3. HubSpot – CRM and Email Marketing in One

HubSpot combines a powerful CRM with marketing, sales and service tools. Businesses use it to manage contacts, automate marketing campaigns and close deals. The Marketing Hub includes email, landing pages, ads, SEO and social tools, while the Sales Hub adds email tracking, meeting scheduling and predictive lead scoring.

Key features

• Unified CRM & marketing platform: Combine contact management, automation and sales in one place.
• Advanced personalization: Robust contact and company tracking enables hyper‑personalized campaigns.
• Comprehensive resources: HubSpot offers 24/7 support and a vast knowledge base for learning.

Pricing

HubSpot’s free plan allows up to 2,000 emails per month with one million non‑marketing contacts. The Starter Marketing plan costs $40/month for 2,000 contacts. Prices rise steeply at higher tiers, especially when onboarding fees are included.

Pros and cons

Pros	Cons
Integrated CRM and marketing platform Advanced personalization and segmentation Extensive support resources	High cost compared with other services Steeper learning curve due to many tools Email sending limits are low on the free plan

4. Mailchimp – User‑Friendly Emailing & Integrations

Mailchimp is popular for its intuitive interface and large ecosystem. It offers a drag‑and‑drop email builder and professional templates. Users can grow lists with signup forms and unlimited landing pages. Advanced tools include A/B testing, segmentation and send‑time optimization.

Key features

• Drag‑and‑drop editor & templates: Quickly build campaigns using professional designs.
• List growth tools: Pop‑up forms and landing pages help capture subscribers.
• Advanced segmentation: Prebuilt and custom segments plus send‑time optimization.
• Multichannel extras: Paid plans include social media scheduling and advertising.

Pricing

The free plan includes 1,000 emails per month and 500 contacts. Paid plans start at $13/month for 500 contacts and scale based on subscriber count.

Pros and cons

Pros	Cons
User‑friendly interface Extensive integrations (500+) Detailed reporting and Google Analytics integration	Prices rise quickly with large lists Free plan lacks customer support Limited design flexibility and slower support response

5. Kit (ConvertKit) – Built for Content Creators

ConvertKit (now rebranded as Kit) caters to bloggers, YouTubers and other creatives. It helps grow audiences with customizable landing pages and sign‑up forms. Tag‑based segmentation lets you personalize messages and run A/B tests on subject lines. A visual automation builder shows sequences and includes pre‑built templates for webinars and product launches.

Key features

• Subscriber tagging: Segment subscribers using tags based on behavior and interests.
• Visual automation builder: Design automated sequences using a drag‑and‑drop workflow editor.
• Tailored for creators: Landing pages, downloadable incentive delivery and sign‑up forms built for creatives.

Pricing

Kit’s free plan supports up to 10,000 subscribers, but automation is limited. Paid plans start at $15/month for 300 contacts and add advanced features.

Pros and cons

Pros	Cons
Powerful tagging and segmentation Visual automation builder simplifies workflows Focused on content creators with custom forms	Limited design and template options Reporting is less comprehensive than other platforms Paid plans become expensive as subscriber counts increase

6. Klaviyo – Ecommerce‑Focused Email & SMS

Klaviyo specialises in ecommerce, providing advanced segmentation and predictive analytics. Ready‑made templates and personalized blocks make it easy to recommend products and send dynamic content. The platform tracks website events and stores customer data in a built‑in CRM. It also offers benchmark reporting and integrates deeply with major ecommerce platforms like Shopify and WooCommerce.

Key features

• Ecommerce integrations: Connect to Shopify, BigCommerce, Magento and others.
• Advanced segmentation & automation: Create highly targeted segments based on behavior and purchase history.
• Predictive analytics: AI‑driven insights such as customer lifetime value and churn risk.

Pricing

Klaviyo’s free plan allows 250 contacts, 500 emails and 150 SMS credits. Paid plans start at $20/month for up to 500 contacts.

Pros and cons

Pros	Cons
Strong integrations with ecommerce platforms Sophisticated segmentation and automation Predictive analytics for lifetime value & churn	Pricing can be steep for large lists Limited marketing channels beyond email and SMS Steep learning curve for newcomers

7. AWeber – Beginner‑Friendly with Hundreds of Templates

AWeber is ideal for bloggers and small businesses who want lots of template choices and an easy start. It provides a drag‑and‑drop editor, over 700 email templates and an AI‑powered design assistant that builds on‑brand layouts from your website and social channels. Tagging helps you track subscribers and trigger automations like welcome series and product launches. The platform also includes a landing‑page builder with sign‑up forms.

Key features

• Extensive template library: 700+ templates for professional emails.
• AI design assistant: Automatically builds branded templates using your existing site.
• Tag‑based automation and drip campaigns: Create welcome flows and segmented campaigns.

Pricing

AWeber’s free plan supports 500 subscribers and 3,000 emails. Paid plans start at $14.99/month and scale with subscriber count. All plans include chat, email and phone support.

Pros and cons

Pros	Cons
Huge template library Affordable pricing and free plan Easy‑to‑use interface	Automation tools are more basic than competitors Fewer integrations than some rivals Reporting lacks depth

8. ActiveCampaign – Advanced Automation Workflows

ActiveCampaign is known for its sophisticated automation builder and integrated CRM. You can split‑test up to five versions of an email, run a spam checker and track website behavior to trigger campaigns. The platform offers a library of pre‑made workflows and the ability to create custom automations with multiple triggers. Upgrading to higher tiers unlocks contact scoring and multi‑channel tools like SMS and landing pages.

Key features

• Visual automation builder: Design complex workflows with triggers based on website activity and email engagement.
• Integrated CRM: Sync marketing and sales data for personalized campaigns.
• Website & event tracking: Use onsite behavior to personalize messages.

Pricing

ActiveCampaign offers a 14‑day free trial with limited sends. Plans start at $39/month for 1,000 subscribers. Higher tiers introduce contact scoring and advanced features.

Pros and cons

Pros	Cons
Advanced automation capabilities Built‑in CRM for sales & marketing alignment Website and event tracking for personalization	Higher price point than some competitors Spam testing tools are basic Steep learning curve for new users

9. GetResponse – All‑in‑One Marketing & Webinars

Note: Due to image‑generation limits, a dedicated illustration is not included for this entry.

GetResponse goes beyond email, offering tools for webinars, websites and paid ads. A library of professionally designed templates and a drag‑and‑drop editor help craft branded emails. Segmentation, tagging and time‑based drip campaigns let you deliver targeted content. You can also send transactional emails and integrate ecommerce plugins to promote products.

Key features

• Webinar builder: Host webinars directly within the platform.
• Marketing automation: Time‑based drip campaigns, tagging and scoring.
• Conversion funnels & ads: Pre‑made sales funnels and Facebook ad tools.

Pricing

GetResponse’s free plan allows unlimited email sends to 500 contacts. Paid plans start at $19/month for 1,000 subscribers and include live chat and email support.

Pros and cons

Pros	Cons
Advanced automation and if/when/then logic Integrated webinar hosting Website builder and ecommerce features	Steeper learning curve Higher pricing than some competitors Less sophisticated personalization compared with Brevo

10. Constant Contact – Email Marketing with Social & Donations

Constant Contact is well‑known among nonprofits and small businesses. It offers numerous email templates and a tool that automatically builds branded designs from your website or Facebook page. Advanced segmentation and A/B testing help refine campaigns. Outside of email, you can build landing pages, accept donations and manage social media posts.

Key features

• Template builder & branding tool: Quickly create branded emails from your existing site.
• A/B testing and automation: Test subject lines and send multi‑step sequences.
• Social media management: Schedule posts and respond to messages within the platform.
• Donation and nonprofit tools: Accept online donations for fundraising campaigns.

Pricing

Constant Contact has no free plan. Paid plans start at $12/month for up to 500 subscribers. Higher tiers include unlimited emails and additional automation tools.

Pros and cons

Pros	Cons
Mobile app for on‑the‑go campaign management Social media posting and ads Intuitive interface suitable for beginners	Templates can appear outdated Automation is less advanced than competitors Reports of glitches and bugs

11. Campaign Monitor – Beautiful Templates & White‑Labelling

Campaign Monitor is prized for its design capabilities and agency‑friendly features. It offers a wide selection of responsive email templates and a drag‑and‑drop editor. Send‑time optimization and segmentation help you deliver messages when subscribers are most likely to engage. Agencies can white‑label the platform and provide it to clients under their own brand.

Key features

• Template library: Large choice of responsive templates with personalization options.
• Visual journey builder: Create automation journeys by dragging emails into sequences and triggering conditions.
• Transactional emails: Send transactional messages with the same branding as marketing emails.
• White‑labelling: Agencies can rebrand the platform for clients.

Pricing

Campaign Monitor offers a free trial that lets you send campaigns to up to five contacts. Paid plans start at $11/month for 500 subscribers and scale with list size.

Pros and cons

Pros	Cons
Intuitive interface & drag‑and‑drop editor White‑label option for agencies Detailed analytics for performance insights	Pricing increases quickly as lists grow Focuses mainly on email; lacks multichannel tools No free plan beyond the small trial

12. MailerLite – Affordable & Supportive

MailerLite is a budget‑friendly option that covers the basics and offers strong support. Its drag‑and‑drop editor lets you build emails and landing pages; there’s even a website builder. Automation and personalization are available, with special features like abandoned cart emails for Shopify and WooCommerce. A/B testing and time‑zone based delivery help improve results.

Key features

• Website and landing page builder: Create forms, pages and entire sites.
• Automation & personalization: Build workflows and abandoned cart emails.
• Analytics & A/B testing: Reports, A/B testing and smart delivery by time zone.
• Multi‑language support: Supports multiple languages, including RTL languages.

Pricing

MailerLite’s free plan offers 12,000 emails per month to 1,000 contacts. Paid plans start at $10/month for 500 subscribers.

Pros and cons

Pros	Cons
Affordable pricing with generous free tier Strong automation for a low‑cost platform Multi‑language support for international audiences	Fewer third‑party integrations No email templates on the free plan Limited advanced features like SMTP relay or multichannel tools

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Choosing the Right Platform

The best email marketing service depends on your goals and budget. For AI‑driven deliverability and unlimited sends, Mail250 offers excellent value. Brevo and MailerLite provide affordable all‑in‑one options for small businesses. Enterprise‑level organizations may prefer HubSpot or ActiveCampaign for their advanced CRM and automation features. If ecommerce is your focus, Klaviyo’s predictive analytics and integrations are hard to beat. Use our comparison table to narrow down options, test free plans where available, and remember that the perfect platform is the one that aligns with your strategy and scales with your growth.