Link copied to clipboard # ActiveCampaign Postmark vs MailerSend Comparison - What are their main differences? Share [ Export ](/compare/activecampaign-postmark/mailersend/export.csv) ActiveCampaign PostmarkMailerSend[+ Add Product](#) Reviews **ActiveCampaign Postmark** [ 4.6/5(32) ](https://www.g2.com/products/activecampaign-postmark/reviews#reviews) **MailerSend** [ 4.1/5(46) ](https://www.g2.com/products/mailersend/reviews#reviews) Pricing **ActiveCampaign Postmark** Free Trial **Free Trial** · Free Trial **MailerSend** Free Trial **Free** 500 Emails Per Month · Free **Pricing Insights** from reviews Time to Implement **ActiveCampaign Postmark** Not enough reviews yet **MailerSend** 1 month Based on 22 responses Return on Investment **ActiveCampaign Postmark** Not enough reviews yet **MailerSend** 9 months Based on 16 responses Perceived Cost **ActiveCampaign Postmark** $$$$$ **MailerSend** $$$$$ Average Discount **ActiveCampaign Postmark** Not enough reviews yet **MailerSend** 5% ![ActiveCampaign Postmark](https://images.g2crowd.com/uploads/product/hd_favicon/ed2e18210a25780ea0390f5d67e1b05b/activecampaign-postmark.svg "ActiveCampaign Postmark") ![MailerSend](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_78f86d535ae757236677d50db7fd3fc9/mailersend.png "MailerSend") G2 offers free advice on this comparison. 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Pros & Cons **ActiveCampaign Postmark** [ Deliverability (2) ](https://www.g2.com/products/activecampaign-postmark/reviews?filters%5Bsentiment_snippet%5D=1152469&qs=pros-and-cons#reviews)[ Easy Setup (2) ](https://www.g2.com/products/activecampaign-postmark/reviews?filters%5Bsentiment_snippet%5D=2039264&qs=pros-and-cons#reviews)[ Expensive (1) ](https://www.g2.com/products/activecampaign-postmark/reviews?filters%5Bsentiment_snippet%5D=2358294&qs=pros-and-cons#reviews)[ Poor Customer Support (1) ](https://www.g2.com/products/activecampaign-postmark/reviews?filters%5Bsentiment_snippet%5D=2039243&qs=pros-and-cons#reviews) **MailerSend** [ Expensive (1) ](https://www.g2.com/products/mailersend/reviews?filters%5Bsentiment_snippet%5D=1635402&qs=pros-and-cons#reviews)[ Limited Plans (1) ](https://www.g2.com/products/mailersend/reviews?filters%5Bsentiment_snippet%5D=1635128&qs=pros-and-cons#reviews) Integrations **ActiveCampaign Postmark** Not enough data **MailerSend** [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_c4f3e03d3fd3e972488f9a3a4d1c2d24/n8n.png "Product Avatar Image") n8n ](https://www.g2.com/products/n8n/reviews)[ ![Product Avatar Image](https://images.g2crowd.com/uploads/vendor/image/117191/large_detail_682c60b88dcff52d7af4dcb28a327199.png "Product Avatar Image") SMS API ](https://www.g2.com/products/sms-api/reviews)[ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_215b3c3ad9ab427e72db73371061f61c/crunchzapp-whatsapp-api.png "Product Avatar Image") WhatsApp API ](https://www.g2.com/products/crunchzapp-whatsapp-api/reviews)[ View all ](https://www.g2.com/products/mailersend/integrations) Screenshots **ActiveCampaign Postmark** ![ActiveCampaign Postmark screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/77996/expirable-direct-uploads_2F4c271fcf-b4b7-4d9e-b582-6138c00014e9_2F01_servers.png) **MailerSend** ![MailerSend screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/1215361/sms-min.jpg) Ratings Meets Requirements **ActiveCampaign Postmark** 9.4 9.427 **MailerSend** 8.1 8.134 Ease of Use **ActiveCampaign Postmark** 9.2 9.226 **MailerSend** 8.6 8.635 Ease of Setup **ActiveCampaign Postmark** 9.3 9.316 **MailerSend** 9.0 9.026 Ease of Admin **ActiveCampaign Postmark** 9.7 9.711 **MailerSend** 9.1 9.124 Quality of Support **ActiveCampaign Postmark** 8.9 8.926 **MailerSend** 8.5 8.533 Has the product been a good partner in doing business? **ActiveCampaign Postmark** 9.7 9.710 **MailerSend** 8.4 8.423 Product Direction (% positive) **ActiveCampaign Postmark** 8.1 8.124 **MailerSend** 7.1 7.132 Features Transactional Email[Hide 54 FeaturesShow 54 Features](javascript:void(0);) 8.9 23 8.8 28 Administration Template Creation 8.2 12 8.5(won by 0.3) 22 Preset Template Availability 7.6 12 8.5(won by 0.9) 21 (There is a greater than 0.5 difference between this product's rating and its competitors) Detailed Server Logs 9.0(won by 0.1) 19 8.9 19 Alerts/Notifications 9.4(won by 0.8) 14 (There is a greater than 0.5 difference between this product's rating and its competitors) 8.6 23 Custom Unsubscribe Feature Not Available 8.5(won by default) 18 Email Segmentation Feature Not Available 8.3(won by default) 19 Drip Campaigns Not enough data Not enough data Customer Segmentation Not enough data Not enough data Integrations Webhooks 9.6(won by 0.4) 15 9.2 19 Event Tracking API 9.4(won by 0.7) 12 (There is a greater than 0.5 difference between this product's rating and its competitors) 8.7 19 Mail Send API 9.8(won by 0.8) 17 (There is a greater than 0.5 difference between this product's rating and its competitors) 9.0 24 Spam Filter Testing 8.8(won by 0.2) 10 8.6 15 Activity Dashboard Not enough data Not enough data Activity Tracking Not enough data Not enough data A/B Testing Not enough data Not enough data Platform Multiple Domains 8.8(won by 0.1) 13 8.7 17 Dedicated IP 8.6 11 8.7(won by 0.1) 15 Documentation 9.2(won by 0.3) 17 8.9 24 Sender Reputation Management 8.2 12 8.9(won by 0.7) 19 (There is a greater than 0.5 difference between this product's rating and its competitors) Tracking & Reporting 9.1(won by 0.8) 18 (There is a greater than 0.5 difference between this product's rating and its competitors) 8.3 20 Enterprise Scalability 8.3 10 8.8(won by 0.5) 13 (There is a greater than 0.5 difference between this product's rating and its competitors) Performance and Reliability 9.3(won by 0.3) 20 9.0 23 Custom Tracking Domain Feature Not Available 9.3(won by default) 19 Workflow Management Not enough data Not enough data List Management Not enough data Not enough data Template Management Not enough data Not enough data Email Management Not enough data Not enough data Subscription Management Not enough data Not enough data Click Tracking Not enough data Not enough data Additional Functionality Third-Party Integrations Not enough data Not enough data Customizable Branding Not enough data Not enough data Email Monitoring Not enough data Not enough data Generative AI Not enough data Not enough data Mobile Access Not enough data Not enough data WYSIWYG Editor Not enough data Not enough data Real-Time Data Not enough data Not enough data Unsubscribe Database Not enough data Not enough data AI Copilot Not enough data Not enough data Drag & Drop Not enough data Not enough data Geolocation Not enough data Not enough data Event Triggered Actions Not enough data Not enough data Simple Mail Transfer Protocol (SMTP) Not enough data Not enough data Contact Database Not enough data Not enough data Campaign Analytics Not enough data Not enough data SMS Messaging Not enough data Not enough data Customizable Forms Not enough data Not enough data Autoresponders Not enough data Not enough data Email Marketing Not enough data Not enough data Message Personalization Not enough data Not enough data Reporting/Analytics Not enough data Not enough data Dynamic Content Not enough data Not enough data Customizable Fields Not enough data Not enough data Campaign Scheduling Not enough data Not enough data Email Distribution Not enough data Not enough data User Insights Reviewers' Company Size [![ActiveCampaign Postmark](https://images.g2crowd.com/uploads/product/hd_favicon/ed2e18210a25780ea0390f5d67e1b05b/activecampaign-postmark.svg "ActiveCampaign Postmark")](https://www.g2.com/products/activecampaign-postmark/reviews) ActiveCampaign Postmark Small-Business(50 or fewer emp.) 62.5% Mid-Market(51-1000 emp.) 37.5% Enterprise(\> 1000 emp.) 0% [![MailerSend](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_78f86d535ae757236677d50db7fd3fc9/mailersend.png "MailerSend")](https://www.g2.com/products/mailersend/reviews) MailerSend Small-Business(50 or fewer emp.) 95.6% Mid-Market(51-1000 emp.) 4.4% Enterprise(\> 1000 emp.) 0% Small-Business (50 or fewer emp.) 62.5% 95.6% Mid-Market (51-1000 emp.) 37.5% 4.4% Enterprise (\> 1000 emp.) 0% 0% Reviewers' Industry [![ActiveCampaign Postmark](https://images.g2crowd.com/uploads/product/hd_favicon/ed2e18210a25780ea0390f5d67e1b05b/activecampaign-postmark.svg "ActiveCampaign Postmark")](https://www.g2.com/products/activecampaign-postmark/reviews) ActiveCampaign Postmark Computer Software 34.4% Marketing and Advertising 9.4% Information Technology and Services 9.4% Transportation/Trucking/Railroad 6.3% Internet 6.3% Other 34.4% [![MailerSend](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_78f86d535ae757236677d50db7fd3fc9/mailersend.png "MailerSend")](https://www.g2.com/products/mailersend/reviews) MailerSend Computer Software 20.0% Information Technology and Services 13.3% Education Management 11.1% Human Resources 6.7% Automotive 4.4% Other 44.4% FAQs ## ActiveCampaign Postmark vs MailerSend FAQs Generated using AI Last updated: August 16, 2026 ### What is the difference between ActiveCampaign Postmark vs MailerSend? ActiveCampaign Postmark stands out for higher reviewer satisfaction and deliverability, while MailerSend offers more advanced segmentation and tracking features. | | [ActiveCampaign Postmark](https://www.g2.com/products/activecampaign-postmark/reviews) | [MailerSend](https://www.g2.com/products/mailersend/reviews) | | --- | --- | --- | | G2 Rating (reviews) | 4.6/5 (32 reviews) | 4.1/5 (46 reviews) | | Largest Segment | Small-Business | Small-Business | | Ease of Setup score | 9.3 | 9.0 | | Quality of Support score | 8.9 | 8.5 | | Top Reviewer-Cited Strength | Deliverability | Custom Tracking Domain, Custom Unsubscribe, Email Segmentation | ### How do the pricing models of ActiveCampaign Postmark and MailerSend compare? ActiveCampaign Postmark is rated higher for value, with a stronger Price/Cost satisfaction score than MailerSend. - **ActiveCampaign Postmark:** Reviewers describe the pricing as a bit premium but well worth the price for the deliverability and service quality. - **MailerSend:** Recent reviews cite issues with forced plan upgrades and value for money, with some reviewers noting pricing issues and limited plans. - **Switching reasons:** Several reviewers switched to ActiveCampaign Postmark from other providers due to simpler setup and better deliverability, despite higher pricing. ### What are the best alternatives to ActiveCampaign Postmark and MailerSend? The top 3 alternatives to ActiveCampaign Postmark and MailerSend are Mailgun, Brevo Marketing Platform, and Twilio SendGrid Email API. | Product | G2 Rating (reviews) | Largest Segment | Pricing Insight | Top Reviewer-Cited Strength | | --- | --- | --- | --- | --- | | [ActiveCampaign Postmark](https://www.g2.com/products/activecampaign-postmark/reviews) | 4.6/5 (32 reviews) | Small-Business | Pricing is a bit premium but well worth the price | Deliverability | | [MailerSend](https://www.g2.com/products/mailersend/reviews) | 4.1/5 (46 reviews) | Small-Business | Recent reviews cite pricing issues and forced upgrades | Custom Tracking Domain, Custom Unsubscribe, Email Segmentation | | [Mailgun](https://www.g2.com/products/mailgun/reviews) | 4.2/5 (321 reviews) | Small-Business | — | — | | [Brevo Marketing Platform](https://www.g2.com/products/brevo-marketing-platform/reviews) | 4.5/5 (2621 reviews) | Small-Business | — | — | | [Twilio SendGrid Email API](https://www.g2.com/products/twilio-sendgrid-email-api/reviews) | 4.0/5 (368 reviews) | Small-Business | — | — | ### Which Transactional Email features should I prioritize when comparing ActiveCampaign Postmark and MailerSend? Buyers should prioritize deliverability, ease of setup, segmentation, tracking, and support quality when comparing ActiveCampaign Postmark and MailerSend. - **Deliverability:** ActiveCampaign Postmark is cited for deliverability in 2 all-time mentions; MailerSend does not have a deliverability mention count. - **Ease of Setup:** ActiveCampaign Postmark scores 9.3; MailerSend scores 9.0. - **Segmentation:** MailerSend offers Email Segmentation as a feature; ActiveCampaign Postmark does not. - **Tracking:** MailerSend offers Custom Tracking Domain; ActiveCampaign Postmark does not. - **Support Quality:** ActiveCampaign Postmark scores 8.9; MailerSend scores 8.5. ### What are the pros and cons of ActiveCampaign Postmark vs MailerSend? ActiveCampaign Postmark's headline strength is deliverability, while MailerSend stands out for segmentation and tracking features. - **ActiveCampaign Postmark strengths:** Deliverability (2 all-time mentions), easy setup (2 all-time mentions), API quality, cost-effectiveness, customer support, ease of use, user interface. - **ActiveCampaign Postmark trade-offs:** Expensive (1 all-time mention), some reviewers note slower customer support response times, and concerns about pricing increases. - **MailerSend strengths:** Custom Tracking Domain, Custom Unsubscribe, Email Segmentation, easy to use, fast setup, and responsive support in recent positive reviews. - **MailerSend trade-offs:** Expensive (1 all-time mention), limited plans (1 all-time mention), pricing issues (1 all-time mention), and recent negative reviews citing forced plan upgrades and account suspensions. ### Is ActiveCampaign Postmark or MailerSend better for small businesses? ActiveCampaign Postmark is the better fit for small businesses, supported by higher satisfaction scores and positive small-business reviewer sentiment. - **ActiveCampaign Postmark:** Largest segment is Small-Business; reviewers highlight ease of setup, deliverability, and reliability for small business use cases. - **MailerSend:** Largest segment is Small-Business; reviewers note ease of use and a generous free tier, but recent reviews raise concerns about forced upgrades and account suspensions impacting small businesses. ### Which Transactional Email platform has better integrations? ActiveCampaign Postmark and MailerSend are at parity for integrations, with reviewers citing ease of integration for both but no specific third-party tools named in recent reviews. - **ActiveCampaign Postmark:** Reviewers mention easy integration with APIs and plugins, including WordPress and Laravel, in recent reviews. - **MailerSend:** Reviewers mention integration with Laravel, Joomla, and WordPress, with positive feedback on SDKs and API instructions. ### How do ActiveCampaign Postmark and MailerSend compare on customer support? ActiveCampaign Postmark and MailerSend are at near-parity on Quality of Support, with scores of 8.9 and 8.5 respectively. - **ActiveCampaign Postmark:** Reviewers describe support as knowledgeable and helpful, though some mention response times can be up to 24 hours. - **MailerSend:** Reviewers highlight fast and efficient support, with several citing quick resolutions and positive experiences, though recent negative reviews mention account suspensions and refund issues. ### Which is easier to implement, ActiveCampaign Postmark or MailerSend? ActiveCampaign Postmark and MailerSend are at near-parity on Ease of Setup, with scores of 9.3 and 9.0 respectively. - **ActiveCampaign Postmark:** Reviewers consistently describe setup as fast and straightforward, with several noting server setup in minutes and easy domain configuration. - **MailerSend:** Reviewers highlight easy and fast setup, with many stating they were able to integrate and send emails within minutes, though a few mention initial confusion for beginners. ### Which product has better Documentation? ActiveCampaign Postmark is rated higher for Documentation, the most frequently mentioned feature across both products' reviews. - **ActiveCampaign Postmark:** Documentation is cited as extensive and comprehensive in reviews; Ease of Use score is 9.2. - **MailerSend:** Documentation is described as clean and understandable in recent reviews; Ease of Use score is 8.6. Alternatives **ActiveCampaign Postmark Alternatives** ![Brevo](https://images.g2crowd.com/uploads/product/hd_favicon/9b8f8747599b922f5aaa181db2ae94f4/brevo-brevo.svg "Brevo") [ Brevo ](/products/brevo-brevo/reviews) ![Twilio SendGrid Email API](https://images.g2crowd.com/uploads/product/hd_favicon/11065b0c84d6d0a6c0a8e8ade2b9467e/twilio-sendgrid-email-api.svg "Twilio SendGrid Email API") [ Twilio SendGrid Email API ](/products/twilio-sendgrid-email-api/reviews) ![Mailgun](https://images.g2crowd.com/uploads/product/hd_favicon/f511c5860e635121a64ecb678d9b3c90/mailgun.svg "Mailgun") [ Mailgun ](/products/mailgun/reviews) ![Amazon Simple Email Service (Amazon SES)](https://images.g2crowd.com/uploads/product/hd_favicon/1528476511/amazon-simple-email-service-amazon-ses.svg "Amazon Simple Email Service (Amazon SES)") [ Amazon ](/products/amazon-simple-email-service-amazon-ses/reviews) **MailerSend Alternatives** ![Mailgun](https://images.g2crowd.com/uploads/product/hd_favicon/f511c5860e635121a64ecb678d9b3c90/mailgun.svg "Mailgun") [ Mailgun ](/products/mailgun/reviews) ![Brevo](https://images.g2crowd.com/uploads/product/hd_favicon/9b8f8747599b922f5aaa181db2ae94f4/brevo-brevo.svg "Brevo") [ Brevo ](/products/brevo-brevo/reviews) ![Twilio SendGrid Email API](https://images.g2crowd.com/uploads/product/hd_favicon/11065b0c84d6d0a6c0a8e8ade2b9467e/twilio-sendgrid-email-api.svg "Twilio SendGrid Email API") [ Twilio SendGrid Email API ](/products/twilio-sendgrid-email-api/reviews) ![SendPulse](https://images.g2crowd.com/uploads/product/hd_favicon/1487566635/sendpulse.svg "SendPulse") [ SendPulse ](/products/sendpulse/reviews) ## ActiveCampaign Postmark vs MailerSend When assessing the two solutions, reviewers found ActiveCampaign Postmark easier to use, set up, and administer. Reviewers also preferred doing business with ActiveCampaign Postmark overall. - Reviewers felt that ActiveCampaign Postmark meets the needs of their business better than MailerSend. - When comparing quality of ongoing product support, reviewers felt that ActiveCampaign Postmark is the preferred option. - For feature updates and roadmaps, our reviewers preferred the direction of ActiveCampaign Postmark over MailerSend.