Updated 2026-01-11

12 Mandrill Alternatives for Transactional Email

Mandrill requires a Mailchimp subscription and uses confusing block pricing. Here are 12 transactional email alternatives that work independently.

TL;DR

Quick answer: Postmark for deliverability focus. SendGrid for developer features and scale. Resend for modern API. Amazon SES for lowest cost. Sequenzy for SaaS with unified marketing. Mandrill is fine if you're already on Mailchimp and want template sync.

12 Best Mandrill Alternatives

Our Pick for SaaS Companies
#1
Sequenzy

Unified transactional + marketing for SaaS. No separate tools needed. Native Stripe integration means your billing events automatically trigger the right emails.

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Best for
SaaS founders who want one platform for everything
Pricing
$49/month for 10,000 subscribers (300k emails)

Pros

  • No Mailchimp required
  • Transactional + marketing unified
  • Native Stripe integration
  • AI-powered sequences
  • Simpler than block pricing

Cons

  • API only (no SMTP)
  • No inbound email
  • Dedicated IPs enterprise only
  • Newer platform
#2
SendGrid

Industry-standard transactional email from Twilio. Reliable, scalable, developer-friendly. The go-to choice for most companies needing transactional email at scale.

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Best for
Developers who need proven reliability at scale
Pricing
$19.95/month for 50,000 emails (Essentials)

Pros

  • Industry standard
  • Excellent API
  • SMTP support
  • Scales well
  • Twilio ecosystem

Cons

  • Marketing features bolted on
  • UI can be confusing
  • Support varies by tier
  • Complexity for simple needs
#3
Postmark

Transactional email focused on deliverability. Fast delivery, excellent support, no marketing. If delivery speed and inbox placement are paramount, Postmark is the specialist.

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Best for
Teams who prioritize deliverability above all
Pricing
$15/month for 10,000 emails

Pros

  • Fastest delivery times
  • Excellent deliverability
  • Great support
  • Dedicated IP included at scale
  • Clean, focused product

Cons

  • Transactional only
  • No marketing features
  • Smaller scale than SendGrid
  • Higher per-email cost at volume
#4
Resend

Modern transactional email with beautiful developer experience. Built for the React/Next.js generation. If you love great APIs and modern tooling, Resend is refreshing.

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Best for
Modern dev teams who appreciate great DX
Pricing
$20/month for 50,000 emails

Pros

  • Beautiful API and docs
  • Modern developer experience
  • React Email integration
  • Fast growing
  • Generous free tier

Cons

  • Newer company
  • Less proven at enterprise scale
  • Limited marketing features
  • Smaller feature set
#5
Amazon SES

Raw email infrastructure at rock-bottom prices. If you have AWS expertise and want maximum control at minimum cost, SES is unbeatable on price.

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Best for
Technical teams who want lowest possible cost
Pricing
$0.10 per 1,000 emails

Pros

  • Cheapest at scale
  • AWS reliability
  • Unlimited scalability
  • Full control
  • EC2 integration

Cons

  • No UI/templates
  • You manage deliverability
  • AWS expertise required
  • Raw infrastructure only
#6
Mailgun

Developer-focused email API now owned by Sinch. Good balance of features and pricing. Solid SMTP and API options with email validation built in.

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Best for
Developers who want solid API with extras
Pricing
$35/month for 50,000 emails

Pros

  • Good API
  • Email validation included
  • SMTP support
  • Flexible plans
  • Inbound email routing

Cons

  • Ownership changes
  • UI feels dated
  • Support varies
  • Marketing features limited
#7
Brevo

Budget-friendly transactional + marketing. Formerly Sendinblue. Good if you want both types of email without separate tools. Better pricing than Mandrill.

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Best for
Budget-conscious teams who need both types
Pricing
$15/month for 20,000 emails (transactional add-on)

Pros

  • Transactional + marketing
  • Very affordable
  • SMS available
  • CRM included
  • No Mailchimp required

Cons

  • Less developer focused
  • API not as polished
  • Deliverability varies
  • Can be complex
#8
SparkPost

Enterprise transactional email with predictive analytics. Now part of MessageBird/Bird. Good for high-volume senders who need advanced analytics.

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Best for
Enterprise teams with high volume
Pricing
Custom pricing (contact sales)

Pros

  • High-volume focus
  • Predictive analytics
  • Good deliverability
  • Enterprise features
  • Signals product insights

Cons

  • Enterprise pricing
  • Complex for small teams
  • Ownership changes
  • Sales-driven
#9
Mailjet

Email API with real-time collaboration. European company (GDPR-focused). Good for teams who need both transactional and marketing with collaborative editing.

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Best for
European teams with GDPR requirements
Pricing
$25/month for 15,000 emails

Pros

  • Real-time collaboration
  • GDPR compliant (EU)
  • Transactional + marketing
  • Good deliverability
  • Template builder

Cons

  • UI feels dated
  • Not as developer-focused
  • Marketing features basic
  • Smaller scale than leaders
#10
Elastic Email

Budget transactional email with marketing features. Very low prices. Good for bootstrapped startups watching every dollar.

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Best for
Bootstrapped teams who need lowest cost
Pricing
$25/month for 25,000 emails

Pros

  • Very affordable
  • Transactional + marketing
  • Simple pricing
  • Good for starters
  • SMTP available

Cons

  • Deliverability varies
  • Support limited
  • Less sophisticated
  • UI dated
#11
SMTP2GO

SMTP-focused email delivery. If you need reliable SMTP relay without complex APIs, SMTP2GO keeps it simple. Good for legacy applications.

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Best for
Teams who prefer SMTP over APIs
Pricing
$25/month for 10,000 emails

Pros

  • SMTP focus
  • Simple setup
  • Good deliverability
  • Email archiving
  • Easy migration

Cons

  • Less API features
  • Marketing basic
  • Smaller company
  • No advanced analytics
#12
Loops

Modern email for SaaS with transactional built-in. Similar to Sequenzy in focus. Good if you want a modern, unified platform for software companies.

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Best for
SaaS teams who want modern unified platform
Pricing
$99/month for 5,000 contacts

Pros

  • SaaS focused
  • Transactional included
  • Modern UI
  • Good onboarding
  • Fast growing

Cons

  • More expensive
  • Smaller team
  • Less proven at scale
  • Newer platform

Why Consider Alternatives to Mandrill

Mandrill requires Mailchimp

You can't use Mandrill standalone. You need a paid Mailchimp Standard or Premium plan ($20+/month) just to access transactional email. Alternatives like SendGrid, Postmark, or Resend work independently.

Block pricing is confusing

Mandrill's 25,000-email blocks that don't roll over are hard to predict. Alternatives offer simpler per-email or monthly pricing that's easier to budget.

You're locked into Mailchimp's ecosystem

Mandrill ties you to Mailchimp for marketing. If you want flexibility to use different tools for marketing and transactional, independent providers give you that freedom.

You need developer-first tools

Mandrill works but isn't developer-focused like SendGrid, Postmark, or Resend. If great APIs, docs, and DX matter to you, alternatives excel here.

Feature Comparison

FeatureMandrillSendGridPostmarkResendAmazon SESSequenzy
Price (50k emails)
$20 (blocks) + Mailchimp
$19.95
$75
$20
$5
$49 (300k)
Mailchimp required
Yes
No
No
No
No
No
SMTP
true
true
false
false
true
false
Marketing
Via Mailchimp
true
false
false
false
true
API quality
Good
Excellent
Excellent
Excellent
Technical
Good
Free tier
500 emails once
100/day
100/month
3,000/month
62k/month (EC2)
100 subs

When to Use Each Platform

Choose SendGrid if...
  • You need proven reliability at scale
  • Developer experience matters
  • You want both API and SMTP
  • Twilio integration is valuable
Choose Stay with Mandrill if...
  • You're already invested in Mailchimp
  • Template sync matters to you
  • You need inbound email processing
  • Switching cost isn't worth it
Choose Postmark if...
  • Deliverability is your top priority
  • You want transactional only (no marketing)
  • Fast delivery times matter
  • Great support is important
Choose Amazon SES if...
  • Cost is your primary concern
  • You have AWS expertise
  • You want full control
  • You're sending high volume
Choose Sequenzy if...
  • You're running a SaaS business
  • You want unified transactional + marketing
  • Stripe integration is valuable
  • No Mailchimp lock-in

Should you switch from Mandrill?

Mandrill is Mailchimp's transactional email add-on. It works, but requires Mailchimp and uses confusing block pricing. See our transactional email guide for what to look for in a provider.

Here's when switching makes sense:

If you don't use Mailchimp: Any alternative

Mandrill requires a paid Mailchimp subscription. If you're not using Mailchimp for marketing, you're paying for a service you don't use just to access transactional email. SendGrid, Postmark, or Resend work independently.

If you want simpler pricing: SendGrid, Resend, or Postmark

Mandrill's 25,000-email blocks that don't roll over are confusing to budget. SendGrid's $19.95 for 50k emails, Resend's $20/month, and Postmark's per-email pricing are all more predictable.

If developer experience matters: Resend or Postmark

Mandrill's API works but isn't developer-first. Resend has beautiful docs and modern tooling. Postmark has excellent API design and support. Both offer better DX. Check our API documentation for comparison.

If you're running a SaaS: Sequenzy

Mandrill is generic transactional email. Sequenzy combines transactional + marketing with Stripe integration for subscription businesses. No separate tools needed.

The pricing comparison

For 50,000 transactional emails:

  • Mandrill: $20 (2 blocks) + Mailchimp ($20+/mo) = $40+/month

  • SendGrid: $19.95/month

  • Resend: $20/month

  • Postmark: $75/month (premium deliverability)

  • Amazon SES: ~$5/month (self-managed)

  • Sequenzy: $49/month (includes 300k + marketing)

See our full pricing page for more comparisons.

When Mandrill is still the right choice

Stick with Mandrill if:

  • You're already heavily invested in Mailchimp

  • Template sync between marketing and transactional matters

  • You need inbound email processing for replies

  • Switching cost doesn't justify the savings

Mandrill works well as a Mailchimp add-on. If you love Mailchimp, the integration is seamless. Read our marketing tools guide and use our email validator to optimize your current setup before deciding to switch.

Frequently Asked Questions

No. Mandrill is only available as an add-on to Mailchimp Standard or Premium plans. You cannot use it standalone. All alternatives listed here work independently.

SendGrid for proven reliability and scale. Resend for modern DX and beautiful APIs. Postmark for deliverability focus. Amazon SES for cost and control. All have better developer experience than Mandrill.

Mandrill is reliable but tied to Mailchimp. It works well if you're already using Mailchimp for marketing and want template sync. But the ecosystem lock-in and block pricing make alternatives more attractive for most users.

Amazon SES at $0.10 per 1,000 emails is the cheapest but requires technical setup. For managed services, SendGrid ($19.95/mo for 50k) or Resend ($20/mo for 50k) offer great value. Brevo's transactional add-on is also very affordable.

No. Postmark is transactional-only by design. They believe mixing marketing degrades deliverability. If you need marketing too, use Postmark + a separate marketing tool, or choose a unified platform like Sequenzy or Brevo.

SendGrid is more independent, developer-focused, and widely used. Mandrill requires Mailchimp but offers template sync. For most teams, SendGrid is the better choice unless you're heavily invested in Mailchimp already.

Yes. Export your templates, update your API calls to the new provider, and switch DNS. Most migrations take a few hours to a day. The main work is updating your code to use the new API.

Yes. Despite being newer, Resend handles millions of emails for production companies. Their free tier and fast support make them easy to try. Less proven at enterprise scale than SendGrid but growing quickly.

SES deliverability depends on you. It's raw infrastructure—you manage your reputation. With proper setup and warming, SES deliverability is excellent. But you need email expertise. Managed services like SendGrid or Postmark handle this for you.

Mailgun is solid with good API and email validation. It's been through ownership changes (now Sinch) which some worry about. Good middle ground between raw infrastructure and fully managed services.

Postmark is known for excellent support. Resend's team is very responsive. SendGrid support varies by tier (better on higher plans). Amazon SES has no support (it's infrastructure). Mandrill uses Mailchimp's support.

Usually not for reasonable volumes. Shared pools at major providers (SendGrid, Postmark, Resend) have good reputation. Dedicated IPs matter for very high volume (100k+/day) or specific compliance needs.

Brevo's transactional is decent and affordable. It's not as developer-focused as SendGrid or Postmark, but works well if you want both marketing and transactional in one affordable platform.

Mandrill/Mailchimp Transactional uses blocks of 25,000 emails at $20/block (volume discounts for 40+ blocks). Plus you need Mailchimp Standard ($20/mo minimum). Unused emails don't roll over. Many find this confusing compared to simple per-email pricing.

Yes, for most use cases. Sequenzy handles transactional + marketing in one platform with API-based sending. No SMTP or inbound email processing though. Best for SaaS companies who want a unified platform with Stripe integration.

Ready to try Sequenzy?

Start your free trial today. AI-generated sequences, Stripe integration, and direct founder support included.

Sequenzy vs Mandrill: Direct Comparison

See a detailed side-by-side comparison of features, pricing, and when to choose each platform.

Compare →

More Alternatives

Sequenzy - Complete Pricing Guide

Pricing Model

Sequenzy uses subscriber-based pricing. You only pay for subscribers active in sequences (automations). Inactive subscribers are free to store.

All Pricing Tiers

  • 0-100 subscribers: Free (Free annually) - 2k emails/month
  • 101-1,000 subscribers: $19/month ($205/year annually) - 20k emails/month
  • 1,001-5,000 subscribers: $29/month ($313/year annually) - 125k emails/month
  • 5,001-10,000 subscribers: $49/month ($529/year annually) - 300k emails/month
  • 10,001-25,000 subscribers: $99/month ($1069/year annually) - 875k emails/month
  • 25,001-50,000 subscribers: $199/month ($2149/year annually) - 2M emails/month
  • 50,001-100,000 subscribers: $349/month ($3769/year annually) - 4.5M emails/month
  • 100,000+ subscribers: Custom pricing (Custom annually) - Unlimited emails/month

Yearly billing: All plans offer a 10% discount when billed annually.

Free Plan Features (0-100 subscribers)

  • Up to 100 subscribers in sequences
  • 2,000 emails/month
  • Email campaigns
  • Email sequences
  • Advanced analytics
  • Advanced segments
  • Stripe integration
  • API access
  • "Built by Sequenzy" branding

Paid Plan Features (1,000 - 100,000 subscribers)

  • Subscribers in sequences
  • Monthly email quota
  • Email campaigns
  • Email sequences
  • Advanced analytics
  • Advanced segments
  • Stripe integration (Segment by LTV & MRR)
  • API access
  • Priority support
  • No branding

Enterprise Plan Features (100,000+ subscribers)

  • Unlimited subscribers
  • Unlimited emails
  • Advanced analytics
  • Advanced segments
  • Stripe integration
  • Dedicated support
  • Custom integrations
  • SLA guarantee
  • No branding

Important Pricing Notes

  • You only pay for subscribers who are active in automations/sequences
  • Storing inactive subscribers is free
  • No hidden fees - all features included in the price
  • No credit card required for free tier

Contact

  • Pricing Page: https://sequenzy.com/pricing
  • Sales: hello@sequenzy.com