11 Best SendGrid Alternatives in 2026 (Tested & Ranked by Deliverability)

Whether you are a developer who
needs a clean API for transactional emails, a marketer running high-volume
campaigns, or a startup that simply wants generous free limits without the
corporate price tag — this guide has you covered.

We evaluated 11 of the most
commonly recommended SendGrid alternatives across key metrics: deliverability
performance, pricing transparency, ease of setup, API quality, automation
features, and customer support. Here is what we found.

Quick Verdict: If you only want the top pick — Brevo generally stands out for most small-to-mid-size businesses (free plan, solid deliverability, all-in-one), while Postmark and Mailgun tend to lead for developer-focused transactional use cases.

Why Are Businesses Looking for a SendGrid Alternative?

Before we get into the list, it
helps to understand why SendGrid — despite its scale — is no longer the default
choice for many teams:

•
Free plan removed (July 2025):
SendGrid announced the retirement of its free plan on May 27, 2025, with all free accounts fully paused by July 26, 2025, meaning users now need to pay at least $19.95/month to send emails.

•
Shared IP reputation risks:
On lower-tier plans, senders generally share IP address pools. If another sender on the same pool is flagged for spam, it can negatively impact your own deliverability — a known pain point that has led to deliverability issues for some senders, particularly those on lower-tier shared IP pools.

•
Expensive at scale:
The Pro plan starts at $89.95/month and dedicated IPs on lower plans cost extra. For growing teams, costs can escalate quickly.

•
Automation locked behind Advanced tier:
Full marketing automation is only available on SendGrid’s advanced marketing plan (from $60+/month). The lower-tier Basic marketing plan offers limited functionality, and the transactional Essentials plan includes no marketing automation at all.

•
Slow customer support:
Multiple user reviews across G2, Capterra, and Reddit mention that getting a response often takes several days unless you are on an enterprise-level contract.

•
Complex UI:
New users frequently report that SendGrid’s interface is difficult to navigate, with features spread across disconnected menus.

How We Evaluated These SendGrid Alternatives

Each tool on this list was
assessed against the following criteria:

Criteria	What We Looked At
Deliverability	Inbox placement rates, authentication support (SPF/DKIM/DMARC), IP management
Pricing	Free plan generosity, cost at 10K/50K/100K emails/month, hidden fees
Ease of Setup	API documentation quality, SMTP setup, onboarding experience
Features	Email templates, automation, analytics, segmentation, A/B testing
Support Quality	Response time, live chat availability, documentation depth
Best Use Case	Who it is genuinely suited for — developers, marketers, SMBs, enterprises

The 11 Best SendGrid Alternatives in 2026

1. Brevo (Formerly Sendinblue) — Best All-in-One SendGrid Alternative

Best for: Small businesses, marketers, and non-technical users who want transactional + marketing email in one platform.

Brevo is generally considered the
most well-rounded SendGrid alternative available today. Originally known as
Sendinblue, the platform rebranded in 2023 and has since expanded
significantly. It handles both transactional and marketing emails through a single
dashboard, without requiring separate product purchases — which is a notable
contrast to SendGrid’s fragmented product structure.

Brevo claims around 99% email deliverability, according to its own reports, though independent inbox placement tests suggest real-world rates may vary depending on sender reputation and email type. It supports SPF, DKIM, and DMARC
setup out of the box, and connects natively with major ecommerce platforms
including Shopify, WooCommerce, Magento, and PrestaShop. Unlike SendGrid, Brevo
also keeps unlimited email logs — useful for debugging and compliance.

Key Features

•
Free plan: 300 emails/day, up to 100,000 contacts — no expiry

•
SMTP relay + REST API for transactional
emails

•
Visual drag-and-drop campaign builder

•
Marketing automation with conditional workflows (basic automation available on free plan up to 2,000 contacts; unlimited automation available from the Business/Standard tier)

•
SMS and WhatsApp marketing built into the
same platform

•
Unlimited email log history

Pricing (2026)

Plan	Price	Emails/Month
Free	$0	300/day (~9,000/mo), unlimited contacts
Starter	From $9/mo	5,000 emails/month
Business	From $18/mo	Scales with volume, automation included

Verdict: Brevo is generally the strongest overall alternative for
most businesses. Its free plan is the most generous of any SendGrid competitor,
and the all-in-one nature means fewer integrations to manage. The main
limitation is that daily sending caps on the free tier can be restrictive for
high-volume users.

2. Postmark — Best for Transactional Email Deliverability

Best for: SaaS companies and developers who need fast, reliable transactional email with detailed logging.

Postmark is widely regarded as one
of the most deliverability-focused transactional email services available. It
has been purpose-built for product emails — password resets, account
notifications, order confirmations — since 2009. Acquired by ActiveCampaign in
2022, it continues to operate independently with its own infrastructure.

Postmark maintains separate
sending streams for transactional and bulk email, which helps protect
deliverability rates across both types of sends. Its inbox placement rates are
generally considered among the highest in the industry for transactional
messages. The platform also retains email activity logs for 45 days by default,
which is helpful for troubleshooting delivery issues.

Key Features

•
Dedicated transactional and broadcast
sending streams

•
45-day email activity log retention
(extendable)

•
Comprehensive webhook support for bounces,
opens, and clicks

•
Pre-built email templates and HTML/CSS-based
templating

•
Highly rated customer support — often
praised as ‘best in class’ in user reviews

Pricing (2026)

Postmark pricing starts at
$15/month for 10,000 emails. Additional emails cost $1.80 per 1,000. Dedicated
IPs are available at $50/month. There is no large-scale free plan — Postmark offers a permanent free Developer tier limited to 100 emails per month, suitable only for testing and very low-volume use.

Verdict: Postmark is arguably the most reliable choice for
transactional email specifically, though it is not suited for marketing
campaigns or list management. Its higher per-email cost is generally justified
by its superior deliverability and support quality.

3. Mailgun — Best for Developers Building Email Into Applications

Best for: Developer teams that want a powerful API-first email service with strong deliverability tools.

Mailgun is a developer-first email
API platform that generally appeals to engineering teams who want fine-grained
control over email delivery without dealing with marketing campaign features.
Owned by Sinch, it offers a robust REST API with SDKs for all major languages,
and its InboxReady suite — which includes email validation, inbox placement
testing, and pre-send deliverability checks — is particularly strong.

One area where Mailgun tends to
stand out is its inbox placement testing tool, which lets senders see exactly
how an email will be categorized across major inboxes before sending. This is a
feature SendGrid does not offer at comparable price points.

Key Features

•
REST API with SDKs for Python, Ruby, Java,
PHP, C#, Go, Node.js

•
InboxReady: email validation, inbox
placement testing, pre-send diagnostics

•
Real-time event webhooks

•
Email routing and inbound email parsing

•
Detailed logs and analytics

Pricing (2026)

Plan	Price/mo	Emails
Trial	Free	100 emails/day for 3 months
Foundation	$35	50,000 emails/month
Scale	$90	100,000 emails + 5,000 validations
Enterprise	Custom	Dedicated support + custom volumes

Verdict: Mailgun is a strong technical choice for developer teams
but generally lacks the email marketing features that tools like Brevo or
Mailchimp offer. If your primary need is a reliable email API with advanced
deliverability controls, it is one of the better alternatives available.

4. Amazon SES — Best for High-Volume Senders on a Budget

Best for: Developers and technical teams already within the AWS ecosystem who need cost-effective bulk sending.

Amazon Simple Email Service (SES)
is generally the lowest-cost email delivery solution at scale. Pricing is
pay-as-you-go at $0.10 per 1,000 emails sent, with no monthly minimums. When
emails are sent from an Amazon EC2 instance, the first 62,000 emails per month
are free. For high-volume senders, this pricing model is often significantly
cheaper than any other major provider.

The tradeoff is complexity. Amazon
SES is not designed for marketers or non-technical users — setting it up
requires AWS account management, IAM roles, and manual DNS configuration. There
is no drag-and-drop editor, no built-in list management, and limited built-in
analytics compared to platforms like Brevo or Mailchimp.

Key Features

•
Pay-per-use pricing: $0.10 per 1,000 emails

•
Dedicated IPs available ($24.95/month per
IP)

•
Virtual Deliverability Manager for
monitoring sender reputation

•
SPF, DKIM, and DMARC configuration

•
Suppression list management

•
Deep AWS integration (Lambda, S3,
CloudWatch)

Pricing (2026)

$0.10 per 1,000 emails. Sending
from EC2: 62,000 free emails/month. Dedicated IPs: $24.95/month each. Data
transfer and attachments priced separately.

Verdict: Amazon SES is generally the best value for high-volume
senders who are comfortable with technical setup. It is not a practical choice
for teams without developer resources or those wanting an out-of-the-box
marketing platform.

5. MailerSend — Best Free Plan for Transactional Email

Best for: Startups and small teams looking for a generous free tier with transactional email features and good support.

MailerSend, built by the
Mailerlite team, is a relatively newer transactional email platform that has
quickly earned recognition for its clean UI, fast setup, and genuinely useful
free plan. Developers frequently highlight how quickly they can get it
integrated — often within minutes for standard API or SMTP setups.

Unlike SendGrid’s complex pricing
structure, MailerSend’s free plan offers 3,000 emails per month with no daily
sending cap and no expiration. Paid plans are also generally considered more
affordable than comparable SendGrid tiers.

Key Features

•
Free plan: 3,000 emails/month permanently
(no daily caps)

•
Drag-and-drop email template editor

•
Email verification to reduce bounce rates

•
Real-time analytics and webhooks

•
Custom domain tracking for opens/clicks

•
24/7 support across all plans

Pricing (2026)

Free plan: 3,000 emails/month.
Paid plans start at approximately $1.20 per 1,000 additional emails.
Volume-based plans available with additional features like analytics exports
and extra seats.

Verdict: MailerSend is one of the most user-friendly and cost-effective
SendGrid alternatives for transactional email. Its free tier is more practical
than most competitors and its support quality is frequently noted as a
differentiator. It generally lacks the deep marketing campaign tools of Brevo
or Mailchimp, but for transactional use cases it is a strong contender.

6. SMTP2GO — Best for Global Deliverability and Reliability

Best for: Businesses that need consistent deliverability across multiple geographic regions, including GDPR-compliant EU sending.

SMTP2GO differentiates itself
through its globally distributed server infrastructure — with nodes in the US,
EU, Australia, New Zealand, and Singapore. This means emails are generally
routed through the server closest to the recipient, improving delivery speed
and reducing the risk of regional blacklisting. For businesses serving
international audiences, this geographic distribution is a meaningful advantage
over SendGrid, whose infrastructure, while global, is generally considered less geographically distributed than SMTP2GO’s multi-region server network.

SMTP2GO also offers a free plan
that allows 1,000 emails per month — a relatively practical amount for small
projects and developers testing integrations. Its real-time reporting dashboard
and spam trap detection tools are also well-regarded.

Key Features

•
Global server network (US, EU, AU, NZ, Singapore)

•
EU servers for GDPR compliance

•
Spam trap detection

•
Real-time delivery reports

•
Free plan: 1,000 emails/month

Pricing (2026)

Free plan: 1,000 emails/month.
Paid plans start at approximately $15/month for 10,000 emails. Pricing scales
with volume.

Verdict: SMTP2GO is a solid choice for businesses that prioritize
global inbox placement and need GDPR-compliant sending. It is generally a
better fit for transactional email than full marketing campaigns.

7. Mailtrap — Best for Development, Testing, and Production Email

Best for: Product teams and developers who need both email testing environments and production sending in one platform.

Mailtrap occupies a unique
position in the market as a platform that serves both email testing
(staging/development) and production sending. Many teams use it specifically to
test email flows before going live — capturing emails in a sandbox that mimics real
inboxes without delivering to actual recipients. This makes it particularly
useful for SaaS teams with complex email notification systems.

Its production email
infrastructure is also competitive, with strong deliverability analytics and
detailed reports that go beyond what most platforms offer at similar price
points.

Key Features

•
Email sandbox for testing without real
delivery

•
Fake SMTP server for staging environments

•
Email preview across clients and devices

•
Spam score analysis before send

•
Production SMTP and API sending with
analytics

Pricing (2026)

Mailtrap offers a free testing
plan (100 tests/month) and production sending from $15/month for 10,000 emails.
A free sending plan includes 1,000 emails/month.

Verdict: Mailtrap is generally the best choice for teams that want
to combine their email testing and production sending under one roof. It is
purpose-built for product companies rather than marketers.

8. Resend — Best Modern API for Developer Teams

Best for: Modern developer teams building email into apps with a clean, well-documented API and React email support.

Resend is a newer entrant to the
transactional email space but has gained substantial traction among developer
communities, particularly those building with Next.js, React, and modern
JavaScript stacks. It supports React Email — an open-source library for
building responsive email templates using React components — which is a
significant differentiator for frontend developers.

Its API design is deliberately
minimal and modern, with excellent documentation that developers frequently
compare favorably against older platforms like SendGrid and Mailgun. Its free
plan is relatively practical at 3,000 emails/month with 100 emails/day.

Key Features

•
React Email integration for component-based
email templates

•
Clean, modern REST API with excellent docs

•
Free plan: 3,000 emails/month (100/day)

•
Webhook support for real-time events

•
Audience management for contacts

Pricing (2026)

Free: 3,000 emails/month. Pro:
$20/month for 50,000 emails. Business: $90/month for 250,000 emails.

Verdict: Resend is generally the best-designed modern API
alternative for developer teams, particularly those working in JavaScript
ecosystems. It lacks mature marketing features but is excellent for
transactional use cases.

9. Elastic Email — Best for High-Volume Senders on a Tight Budget

Best for: Budget-conscious businesses sending high volumes of marketing or transactional emails.

Elastic Email is generally one of
the most affordable email platforms available when measured at scale. Its
pay-per-email pricing model tends to work out significantly cheaper than
monthly-subscription competitors at volumes over 100,000 emails per month. It
supports both marketing campaigns and transactional email through a single
interface, with a reasonable template library and list management features.

The tradeoff is that its UI and
support experience are generally considered less polished than alternatives
like Brevo or MailerSend. It is primarily suited for teams that prioritize cost
efficiency over premium UX.

Key Features

•
Pay-as-you-go and subscription pricing
available

•
Email API and SMTP relay

•
Built-in email template designer

•
Contact management and list segmentation

•
Unsubscribe and suppression list handling

Pricing (2026)

Pay-as-you-go from approximately
$0.09 per 1,000 emails. Monthly plans from $15/month. Pricing generally becomes
very competitive at 500K+ emails per month.

Verdict: Elastic Email is a practical choice for high-volume
senders who need to minimize cost per email and do not require enterprise-grade
support or a sophisticated marketing toolset.

10. Mailchimp Transactional (Mandrill) — Best for Existing Mailchimp Users

Best for: Teams already using Mailchimp for marketing who need to add transactional email to the same stack.

Mandrill — now branded as
Mailchimp Transactional — is Mailchimp’s dedicated transactional email service.
It is only available as a paid add-on to Mailchimp subscribers, which limits
its appeal to teams not already on the Mailchimp ecosystem. For those that are,
it provides a well-integrated one-stop-shop for both marketing and
transactional email.

Its analytics dashboard is
considered among the strongest in the market, with customizable reports and an
export API. However, as a Mailchimp add-on, it is generally not recommended as
a standalone SendGrid replacement for teams starting fresh.

Key Features

•
Tight integration with Mailchimp marketing
campaigns

•
Advanced customizable analytics

•
Reliable API and SMTP sending

•
Conditional template content

Pricing (2026)

Mandrill is priced per block of
25,000 emails at approximately $20/block/month, added on to an existing
Mailchimp paid plan.

Verdict: Mandrill generally makes sense only as part of an
existing Mailchimp setup. For businesses starting fresh and looking for a
SendGrid alternative, other tools on this list are typically more
cost-effective.

11. Moosend — Best for Email Marketing Automation

Best for: Small-to-medium businesses that want affordable email marketing automation with solid deliverability.

Moosend is a full-featured email
marketing platform that generally appeals to businesses wanting robust
automation capabilities without the enterprise price tag. Its automation
workflow builder is notably more capable than SendGrid’s — supporting
multi-step sequences, behavioral triggers, and conditional logic across all
paid plans, rather than locking it behind premium tiers.

Moosend also offers a 30-day free
trial (no credit card required) and paid plans that start at $9/month for up to
500 subscribers with unlimited emails — which tends to be more generous than
many competitors at the entry level.

Key Features

•
Visual automation workflow builder

•
Landing page and subscription form builder

•
AI-driven product recommendation emails

•
SMTP server access on all paid plans

•
30-day free trial on all plans

Pricing (2026)

Pro plan: $9/month for up to 500
subscribers (unlimited emails). Scales by subscriber count. Enterprise plans
available with custom pricing and dedicated account management.

Verdict: Moosend is generally a strong choice for businesses that
want SendGrid-level deliverability infrastructure combined with a much more
capable marketing automation suite, at a lower starting price.

Quick Comparison: All 11 SendGrid Alternatives at a Glance

Tool	Best For	Free Plan	Starting Price	Deliverability	API Quality
Brevo	All-in-one	Yes (300/day)	$9/mo	High	Strong
Postmark	Transactional	100 test emails	$15/mo	Very High	Excellent
Mailgun	Developers	Trial (3 mo)	$35/mo	High	Excellent
Amazon SES	High volume	62K/mo (EC2)	$0.10/1K	High	Strong
MailerSend	Startups	Yes (3K/mo)	$1.20/1K	High	Good
SMTP2GO	Global reach	Yes (1K/mo)	$15/mo	High	Good
Mailtrap	Dev/testing	Yes (sandbox)	$15/mo	High	Good
Resend	JS developers	Yes (3K/mo)	$20/mo	High	Excellent
Elastic Email	Budget/volume	Limited	$15/mo	Medium	Good
Mandrill	Mailchimp users	No	$20/25K block	High	Good
Moosend	Automation	30-day trial	$9/mo	High	Good

Which SendGrid Alternative Is Right for You?

Rather than declaring a single
winner, here is a use-case-based recommendation framework:

Your Situation	Recommended Alternative
You need a free plan with no expiry	Brevo (300/day), MailerSend (3K/mo), or SMTP2GO (1K/mo)
You are a developer building transactional email	Postmark, Mailgun, or Resend
You send 500K+ emails/month and need low cost	Amazon SES or Elastic Email
You want an all-in-one marketing + transactional platform	Brevo or Moosend
You need the best deliverability for transactional	Postmark
You work in a JavaScript/React tech stack	Resend
You need email testing + production in one tool	Mailtrap
You need GDPR-compliant EU sending	SMTP2GO (EU servers) or Brevo
You are already using Mailchimp	Mandrill (Mailchimp Transactional)

Key Takeaways

Summary: Here are the main points to keep in mind when choosing a SendGrid alternative in 2026.

1.
SendGrid removed its free plan in 2025,
making alternatives more relevant than ever for startups and small teams.

2.
Brevo is generally the most versatile
replacement for businesses that want email marketing and transactional sending
combined.

3.
Postmark and Mailgun are typically the
strongest choices for developers who need reliable transactional email APIs
with high inbox placement.

4.
Amazon SES remains the most cost-effective
option at scale, though it requires significant technical setup.

5.
MailerSend and Resend offer the most
user-friendly modern APIs with generous free plans, particularly for
developer-facing projects.

6.
When evaluating any alternative, prioritize
deliverability infrastructure, pricing transparency, and support quality — not
just the feature list.

Frequently Asked Questions

1. What is the best free SendGrid alternative?

Brevo generally offers the most
practical free plan with 300 emails per day. MailerSend
provides 3,000 emails per month with no daily cap, making it another strong
option for transactional use.

2. Why did SendGrid remove its free plan?

Twilio SendGrid announced the discontinuation of both its Email API and Marketing Campaigns free plans on May 2025, with accounts fully paused from July 26, 2025 onward. The company has
not officially detailed the reasons, but industry observers generally attribute
it to a shift in focus toward enterprise customers and reduced willingness to
support free-tier infrastructure costs.

3. Is Mailgun a good SendGrid alternative for developers?

Mailgun is generally considered
one of the strongest developer-facing alternatives to SendGrid. Its REST API,
SDK library, and InboxReady deliverability tools tend to offer more granular
control than SendGrid at comparable price points. The main gap is that it does
not offer marketing email features.

4. How does Brevo compare to SendGrid?

Brevo generally offers better
value for small-to-medium businesses. It includes marketing automation, a free
plan with no expiry, and an all-in-one dashboard that covers both transactional
and marketing email — areas where SendGrid tends to either charge more or split
functionality across separate products.

5. Is Amazon SES reliable enough to replace SendGrid?

Amazon SES is generally considered
very reliable for high-volume sending, particularly within AWS infrastructure.
The main limitation is that it requires significant technical expertise to
configure and monitor properly. For teams with dedicated engineering resources,
it is often the most cost-effective option. For non-technical users,
alternatives like Brevo or MailerSend are more practical.

6. What is the cheapest alternative to SendGrid?

Amazon SES is typically the
cheapest option at $0.10 per 1,000 emails with no monthly minimum. For
businesses that need a more managed experience, Elastic Email and Brevo’s
Starter plan ($9/month) are generally the most affordable among full-service
providers.

7. Can I switch from SendGrid without losing email history?

Most SendGrid alternatives provide
migration guides and SMTP compatibility, which generally makes technical
switching straightforward. Email history (sent logs, analytics) would need to
be exported from SendGrid before migration, as it does not transfer
automatically. Most providers support CSV imports for contact lists.

Conclusion

The email service provider
landscape in 2026 is broader and more competitive than it has ever been, and
SendGrid’s removal of its free plan has accelerated the search for alternatives
among a large segment of users. The good news is that most of the tools on this
list are genuinely competitive — and in several respects, better suited to
specific use cases than SendGrid.

For most businesses, Brevo is
generally the most practical starting point as an all-in-one replacement. For
developer-focused transactional email, Postmark and Mailgun tend to lead on
deliverability and API quality. For high-volume senders watching costs closely,
Amazon SES and Elastic Email offer significant savings at scale.

Whichever tool you choose, the
three factors that generally matter most for long-term success are
deliverability infrastructure, pricing predictability, and responsive support.
Evaluate each provider on those criteria relative to your specific sending
volumes and use case before committing.

Pro Tip: Before migrating from SendGrid, export your suppression lists and bounce logs. Most email providers allow you to import these directly, which helps preserve your sender reputation during the transition.