Updated 2026-02-19

12 SMTP2GO Alternatives Worth Considering

SMTP2GO is solid for SMTP relay with great phone support. But if you need marketing automation or want different pricing, here are 12 options.

TL;DR

Quick answer: For budget transactional, Elastic Email is cheapest ($0.09/1k). For better DX, Resend or Postmark. For SaaS marketing + transactional combined, Sequenzy ($19/mo) has AI and Stripe sync. For raw scale, Amazon SES is unbeatable at $0.10/1k.

12 Best SMTP2GO Alternatives

Our Pick for SaaS Companies
#1
Sequenzy

Marketing + transactional for SaaS with AI content generation. Where SMTP2GO is relay-only, Sequenzy combines everything into one platform with subscriber management and automation.

The AI generates complete email sequences from a description, and native Stripe integration automatically syncs billing events to subscriber profiles—capabilities SMTP2GO can't offer since it's purely delivery infrastructure. You get campaigns, segmentation, and event-based automations alongside transactional sending in one dashboard. The trade-off is no phone support (SMTP2GO's standout feature), no dedicated IPs, and higher cost for pure relay use cases. Best for SaaS teams who currently pair SMTP2GO with a marketing tool and want to consolidate into one platform.

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Best for
SaaS teams wanting marketing + transactional in one platform
Pricing
$49/month for 10,000 subscribers (120k emails)

Pros

  • Marketing + transactional in one platform
  • AI generates entire email sequences
  • Native Stripe integration
  • Subscriber management and segmentation
  • SaaS-specific automations

Cons

  • No phone support (chat and email only)
  • No dedicated IP addresses
  • More expensive than SMTP2GO for pure relay
  • Newer platform
#2
Elastic Email

The budget king. At $0.09 per 1,000 emails, nothing touches Elastic Email on price.

Good for high volume with basic features. Elastic Email offers both API plans for transactional sending and Marketing plans for campaigns with subscriber management, giving you flexibility SMTP2GO doesn't have. Email verification is included, and sub-accounts let agencies manage multiple clients. At 100k emails/month, you'd pay roughly $9 with Elastic Email versus $75 with SMTP2GO Professional—a massive difference. The trade-off is a dated interface, slower support than SMTP2GO's responsive team, and deliverability that's less consistent than premium providers. Best for cost-sensitive high-volume senders who prioritize price over support quality and don't need SMTP2GO's phone support.

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Best for
Cost-conscious teams with high volume needs
Pricing
$19/month for 50,000 emails (API), $29/month for 2,500 contacts (Marketing)

Pros

  • Cheapest per-email pricing ($0.09/1k)
  • Both API and marketing plans available
  • Email verification included
  • Automation on Pro plan
  • Sub-accounts for agencies

Cons

  • Developer experience is basic
  • Not as reliable as premium options
  • Support can be slow
  • Interface feels dated
#3
SendGrid

The industry standard, now owned by Twilio. Similar to SMTP2GO but larger scale focus.

Marketing features feel bolted on. SendGrid handles massive email volume with proven infrastructure, and the Twilio ecosystem gives you SMS, voice, and other communication channels alongside email. Dedicated IPs are available on Pro tier ($89.95/month), and the analytics dashboard provides detailed delivery and engagement metrics. Marketing features exist but feel like an afterthought compared to purpose-built marketing platforms. The trade-off is dated developer experience, inconsistent deliverability on shared IPs, and support quality that varies dramatically by tier. Best for teams already in the Twilio ecosystem or needing proven enterprise scale with both transactional and basic marketing capabilities.

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Best for
Teams needing proven scale and Twilio ecosystem
Pricing
$19.95/month for 50,000 emails (Essentials)

Pros

  • Proven at massive scale
  • Twilio ecosystem integration
  • Both transactional and marketing
  • Detailed analytics
  • Dedicated IP on Pro

Cons

  • DX feels dated
  • Deliverability varies on shared IPs
  • Marketing feels like an afterthought
  • Support quality varies by tier
#4
Mailgun

Developer-focused email API owned by Sinch (same company as Mailjet). Better DX than SendGrid, strong documentation.

Mailgun offers email validation included with plans, detailed analytics with log retention, and an API that developers generally prefer over SendGrid's. The Foundation plan at $15/month for 10,000 emails is competitive with SMTP2GO's Starter tier, and you get both transactional and basic marketing capabilities. Documentation is comprehensive and well-organized. The trade-off is Sinch ownership raises some consolidation concerns (they also own Mailjet), pricing gets complex at higher tiers, and there's no phone support like SMTP2GO offers. Best for developers who want a solid email API with built-in validation and better documentation than SMTP2GO provides.

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Best for
Developers wanting good DX and validation
Pricing
$15/month for 10,000 emails (Foundation)

Pros

  • Better DX than SendGrid
  • Good documentation
  • Email validation included
  • Detailed analytics
  • Both transactional and basic marketing

Cons

  • Not as polished as Resend
  • Pricing can get complex
  • Now owned by Sinch (some concerns)
  • Marketing features are basic
#5
Resend

What modern email API should look like. Beautiful developer experience, React Email support.

But transactional only—no marketing. Resend has raised the bar for what email APIs should feel like—clean TypeScript SDKs, React Email for building templates with components, and an intuitive dashboard that makes SMTP2GO's interface look dated. The 3,000 emails/month free tier lets you test extensively, and $20/month for 50,000 emails is competitive. However, Resend is strictly transactional—no subscriber management, no campaigns, no automation. The trade-off is no phone support, no dedicated IPs on basic plans, and it's a newer platform with less volume history. Best for developers who prioritize modern DX and only need transactional email delivery without marketing features.

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Best for
Developers prioritizing DX for transactional email
Pricing
$20/month for 50,000 emails

Pros

  • Best developer experience in email
  • React Email integration
  • Modern SDKs for every language
  • Clean, intuitive API
  • 3,000 emails/month free

Cons

  • Transactional only—no marketing
  • No subscriber management
  • Newer platform
  • You'll need a second tool for marketing
#6
Postmark

Exceptional deliverability because they reject bad actors. If your emails absolutely must arrive, Postmark's strict policies pay off.

Postmark actively vets and rejects customers who might harm IP reputation, resulting in consistently high inbox placement that SMTP2GO can't guarantee on shared infrastructure. Message streams let you separate transactional from broadcast email, and the 40-day email history provides more retention than most competitors. Human support on all plans is responsive and knowledgeable. At $15/month for 10,000 emails, it's similar pricing to SMTP2GO but you're paying for deliverability quality. The trade-off is transactional only, they'll reject marketing-heavy use cases, and cost is higher at volume. Best for applications where email delivery is critical—password resets, 2FA codes, order confirmations—and deliverability matters more than price.

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Best for
Apps where deliverability is absolutely critical
Pricing
$15/month for 10,000 emails

Pros

  • Exceptional deliverability (strict customer vetting)
  • Clean, developer-friendly API
  • Message streams for organization
  • 40-day email history
  • Human support

Cons

  • Transactional only
  • They'll reject questionable use cases
  • More expensive than SMTP2GO at high volume
  • No marketing features
#7
Amazon SES

The cheapest option at massive scale. $0.10 per 1,000 emails. But zero features—you build everything yourself.

Amazon SES is raw email infrastructure—no dashboard, no analytics, no templates, no bounce management out of the box. You get AWS reliability, infinite scaling, and the lowest per-email cost available anywhere. At 1 million emails/month, SES costs roughly $100 versus SMTP2GO's custom enterprise pricing. But you'll spend engineering time building everything SMTP2GO gives you for free: deliverability monitoring, analytics, suppression lists, and template management. The trade-off is zero hand-holding and significant AWS expertise required. Best for engineering teams with the resources to build their own email infrastructure who want the absolute lowest per-email cost at massive volume.

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Best for
Cost-sensitive high-volume senders with engineering resources
Pricing
$0.10 per 1,000 emails

Pros

  • Cheapest at high volume by far
  • AWS reliability
  • Full control
  • No monthly minimum
  • Scales infinitely

Cons

  • Zero developer experience
  • DIY everything (templates, deliverability, bounces)
  • No dashboard or analytics
  • AWS complexity
#8
Brevo

Budget-friendly all-in-one with unlimited contacts. Pay per email sent. Not the prettiest, but capable and affordable.

Brevo combines transactional email, marketing campaigns, SMS, and a basic CRM in one platform—filling the marketing gap that SMTP2GO has entirely. The unlimited contacts model means you pay only for sending volume, and SMTP/API access works for both transactional and marketing use cases. At $9/month for 5,000 emails or $18/month for 20,000, it's competitive with SMTP2GO while offering far more features. The trade-off is a dated, clunky interface, slower support than SMTP2GO's responsive team, and per-email pricing that adds up at high volume. Best for teams who need both transactional delivery and marketing campaigns in one affordable platform without premium polish.

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Best for
Budget-conscious teams wanting marketing + transactional
Pricing
$9/month for 5,000 emails (Starter), $18/month for 20,000

Pros

  • Unlimited contacts on all plans
  • Transactional + marketing
  • SMS included
  • Actually affordable
  • SMTP and API

Cons

  • DX is dated
  • Pay-per-email adds up at scale
  • Interface is clunky
  • Support can be slow
#9
Mailtrap

Email testing specialist that expanded into sending. If you want email sandbox for development plus production sending, Mailtrap does both.

Mailtrap's unique value is the email sandbox—it catches test emails before they reach real users, letting you inspect HTML rendering, spam scores, and deliverability across email clients during development. The production sending API at $15/month for 10,000 emails is competitive with SMTP2GO, and the dashboard is cleaner. Used by PayPal, Atlassian, and other large teams for development workflows. The trade-off is testing and sending are billed as separate products, no marketing features, and no dedicated IPs on standard plans. Best for development teams who want email testing and production sending from the same vendor rather than pairing SMTP2GO with a separate testing tool.

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Best for
Teams wanting email testing + production sending
Pricing
$15/month for 10,000 emails (Email API)

Pros

  • Email testing/sandbox for development
  • Catches test emails before reaching real users
  • Clean dashboard
  • Both testing and sending products
  • Used by PayPal, Atlassian

Cons

  • Testing and API billed separately
  • Not primarily a marketing tool
  • No dedicated IP
  • Less marketing automation than competitors
#10
Mailjet

Hybrid transactional + marketing owned by Sinch (same as Mailgun). Good for teams wanting both with real-time collaboration.

Mailjet's standout feature is real-time email collaboration—multiple team members can edit templates simultaneously, which is useful for marketing teams. Both transactional and marketing capabilities are included, and EU hosting (Paris) makes it attractive for GDPR compliance. The Essential plan at $17/month for 15,000 emails is good value, and subaccounts (up to 20 on Premium) help manage multiple projects. The trade-off is Sinch ownership raises consolidation concerns, marketing automation is basic, and the interface feels dated compared to modern platforms. Best for teams who want both transactional and marketing email with collaborative editing and EU data hosting that SMTP2GO doesn't offer.

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Best for
Teams wanting transactional + marketing with team collaboration
Pricing
$17/month for 15,000 emails (Essential)

Pros

  • Real-time email collaboration
  • Both transactional and marketing
  • Subaccounts (up to 20 on Premium)
  • EU-based (Paris) for GDPR
  • Good documentation

Cons

  • Owned by Sinch with Mailgun (consolidation concerns)
  • Marketing automation is basic
  • No AI content generation
  • Interface feels dated
#11
SparkPost

Enterprise email delivery now part of Bird (MessageBird). Good for high volume with predictive analytics.

Platform in transition. SparkPost's Signals provides predictive analytics and email health scoring that's more sophisticated than what SMTP2GO or most competitors offer—it can forecast deliverability issues before they impact sending. Email validation and real-time bounce classification help maintain list quality at enterprise scale. At $20/month for 15,000 emails on starter tiers, it's reasonable, but enterprise pricing is custom. The trade-off is the Bird acquisition has created platform uncertainty, it's enterprise-focused and not ideal for small teams, and the developer experience isn't modern. Best for enterprise senders who need sophisticated analytics and deliverability optimization beyond what SMTP2GO's simpler dashboard provides.

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Best for
Enterprise high-volume senders
Pricing
$20/month for 15,000 emails (starter tiers)

Pros

  • Predictive email analytics
  • Handles enterprise scale
  • Strong deliverability tools
  • Email validation
  • Real-time bounce classification

Cons

  • Enterprise-focused pricing
  • Not for small teams
  • Now part of Bird (platform transition)
  • DX not modern
#12
SocketLabs

Enterprise email delivery with StreamScore for reputation monitoring. Focuses on complex sending environments and compliance.

SocketLabs' StreamScore analyzes your sending health in real-time and provides actionable recommendations, while Spotlight aggregates analytics across multiple email providers into one dashboard—unique features that SMTP2GO doesn't match. Multiple IP management and advanced deliverability tools serve enterprises with complex sending requirements. At $79/month for 40,000 emails, it's more expensive than SMTP2GO but includes enterprise-grade analytics. The trade-off is the enterprise focus makes it overkill for smaller teams, no marketing automation, and the interface is functional rather than modern. Best for enterprise teams with complex multi-provider sending environments who need unified analytics and reputation monitoring beyond SMTP2GO's capabilities.

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Best for
Enterprise teams with complex sending requirements
Pricing
$79/month for 40,000 emails

Pros

  • StreamScore reputation monitoring
  • Handles complex enterprise needs
  • Multiple IP management
  • Good deliverability tools
  • 24/7 support on higher tiers

Cons

  • More expensive than SMTP2GO
  • Enterprise focus, not for small teams
  • No marketing automation
  • Interface is functional but dated

Why Consider Alternatives to SMTP2GO

You need marketing automation

SMTP2GO is SMTP relay—they don't have marketing features like drip campaigns, automation sequences, or subscriber management. If you need marketing, you need a different tool entirely or need to pair SMTP2GO with one.

You want cheaper pricing at high volume

SMTP2GO's pricing is reasonable but not the cheapest. Elastic Email ($0.09/1k) and Amazon SES ($0.10/1k) are significantly cheaper for pure transactional volume. At 1M emails/month, that difference adds up.

You need better developer experience

SMTP2GO is reliable but the DX isn't modern. If you care about beautiful APIs, React Email support, or modern SDKs, Resend or Postmark offer better experiences.

You don't need phone support

SMTP2GO's phone support on all paid plans is unusual and valuable. But if you don't need phone support, you might find better value or features elsewhere.

What Users Say About SMTP2GO

Based on 1,724 reviews
View all reviews on Trustpilot

I've used them for about 3 months now and the experience has been great. It's nice to see a dashboard of which emails didn't go through and why. They blend the tech and usability well.

customer2026-02

SMTP2GO is a simple and easy-to-use service that handles basic email needs very efficiently. The support team is responsive and friendly. Highly recommend.

Nico2026-02

I just have a free account that works great, but when there is a rare issue SMTP2GO Support gets right on it. Thanks for the support.

PhilDom2026-02

We had tried another provider and found them very difficult. SMTP2GO is a totally different story. Professional, responsive and effective.

CCM2026-01

The team is 5 stars, responds promptly, and is always willing to solve problems.

Atendimento Zaporder2026-01

Feature Comparison

FeatureSMTP2GOSequenzyElastic EmailResendPostmarkAmazon SES
Price at 10k emails
$10/mo
$19/mo*
$19/mo (50k)
$20/mo (50k)
$15/mo
$1
Marketing automation
No
Yes
Yes (Pro)
No
No
No
Phone support
Yes (all paid)
No
No
No
No
No
Dedicated IP
Yes ($75/mo)
No
Yes ($40/mo)
No
No
Yes ($24.95/mo)
DX quality
Good
Good
Basic
Best
Great
None
Free tier
1k emails/mo
100 subscribers
100 emails/day
3k emails/mo
100 emails
3k/mo (EC2)

When to Use Each Platform

Choose Sequenzy if...
  • You want marketing automation with transactional in one platform
  • AI-generated email sequences sounds appealing
  • You use Stripe and want automatic sync
  • You're building a SaaS product
Choose Stay with SMTP2GO if...
  • Phone support is important to your team
  • You need a dedicated IP on a mid-tier plan ($75/mo)
  • You want global server distribution for latency
  • Pure SMTP relay is all you need
Choose Elastic Email if...
  • Cost is your primary concern
  • You're sending high volume transactional
  • You need basic marketing features affordably
  • $0.09/1k emails matters to your margin
Choose Resend if...
  • Developer experience is your top priority
  • You only need transactional email
  • You love React Email
  • Modern SDKs matter to you
Choose Amazon SES if...
  • Cost is everything at massive volume
  • You have engineering resources for DIY
  • You're already deep in AWS
  • You don't need any hand-holding

Why people leave SMTP2GO

SMTP2GO is a solid SMTP relay service. They have reliable delivery, phone support on all paid plans (rare in this space), and global server distribution. With 1,724 Trustpilot reviews that are overwhelmingly positive, SMTP2GO has earned a strong reputation for responsive support and reliable delivery—reviewers consistently praise how quickly the support team resolves issues, even on free accounts. So why look elsewhere? To understand the full email platform landscape, check our guide to best email marketing tools for SaaS.

No marketing features

The biggest gap: SMTP2GO is relay-only. No subscriber management, no drip campaigns, no automation sequences, no A/B testing. If you need marketing email, you need a separate tool entirely. See our SMTP2GO comparison page for details on what's missing.

Pricing adds up at scale

SMTP2GO's Professional plan ($75/mo for 100k emails) is reasonable but not cheap. Elastic Email at $0.09/1k or Amazon SES at $0.10/1k can be significantly cheaper at high volume. At 1M emails/month, that's $250 vs ~$90-100. Learn more about transactional email best practices.

No modern developer experience

SMTP2GO works but the DX isn't modern. If you're used to Resend's React Email integration or clean SDKs, SMTP2GO feels dated. The dashboard is functional but not elegant. Use our SPF checker and DKIM checker to verify your setup.

The alternatives, honestly

If you want marketing + transactional: Sequenzy

Sequenzy combines transactional emails, marketing campaigns, and automation in one platform. Where SMTP2GO only handles delivery, Sequenzy handles everything—subscriber management, AI-generated sequences, Stripe integration.

The tradeoff: $49/mo is more expensive than SMTP2GO's $10/mo Starter if you only need relay. See our pricing page for details.

If cost is everything: Elastic Email

At $0.09 per 1,000 emails, Elastic Email is the budget king. They have both API plans (for transactional) and Marketing plans (for campaigns). The interface is dated and support is slower than SMTP2GO, but the price is unbeatable.

If DX matters: Resend

Resend is what modern email API should look like. Beautiful React Email integration, clean SDKs, intuitive dashboard. But transactional only—no marketing features. If you're sending password resets and notifications with great DX, Resend wins.

If deliverability is critical: Postmark

Postmark's exceptional deliverability comes from strict customer vetting. They'll reject sketchy use cases to protect IP reputation. If your emails absolutely must arrive, this matters. No marketing features though. Check our DMARC checker to optimize your setup.

If scale is massive: Amazon SES

At $0.10 per 1,000 emails with infinite scale, nothing beats SES on raw volume. But you get zero features—no dashboard, no analytics, no templates. Only choose this with engineering resources to build everything yourself.

The pricing comparison

At 100,000 emails/month:

  • SMTP2GO Professional: $75/month (includes dedicated IP)
  • Elastic Email: ~$9/month ($0.09/1k)
  • Amazon SES: $10/month
  • SendGrid Essentials: ~$35/month
  • Postmark: $85/month (10k emails plan)
  • Sequenzy: $99/month for 30k subscribers (marketing + transactional)

Note: Some prices are per email (SMTP2GO, Elastic Email) while others are per subscriber (Sequenzy). Compare based on your actual usage.

When SMTP2GO is still the right choice

SMTP2GO wins if:

  • Phone support is critical for your team
  • You need a dedicated IP at $75/mo (cheaper than many)
  • You want global server distribution with data center choice
  • Pure SMTP relay is genuinely all you need
  • You value responsive human support

Don't switch just to save a few dollars. If SMTP2GO's reliability and support work for you, the switching cost might not be worth it. But if you need marketing automation, cheaper high-volume pricing, or modern DX, the alternatives are genuinely better options. Use our email validator tool to audit your list before migrating.

Frequently Asked Questions

Ready to try Sequenzy?

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

Sequenzy vs SMTP2GO: 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) - 3k emails/month
  • 101-1,000 subscribers: $19/month ($205/year annually) - 15k emails/month
  • 1,001-5,000 subscribers: $29/month ($313/year annually) - 60k emails/month
  • 5,001-10,000 subscribers: $49/month ($529/year annually) - 120k emails/month
  • 10,001-25,000 subscribers: $99/month ($1069/year annually) - 300k emails/month
  • 25,001-50,000 subscribers: $199/month ($2149/year annually) - 600k emails/month
  • 50,001-100,000 subscribers: $349/month ($3769/year annually) - 1.2M 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 (2,500 emails/month)

  • Visual automation builder
  • Transactional email API
  • Reply tracking & team inbox
  • Goal tracking & revenue attribution
  • Dynamic segments
  • Payment integrations
  • Full REST API access
  • Custom sending domain

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

  • Visual automation builder
  • Transactional email API
  • Reply tracking & team inbox
  • Goal tracking & revenue attribution
  • Dynamic segments
  • Payment integrations (Stripe, Paddle, Lemon Squeezy)
  • Full REST API access
  • Custom sending domain

Enterprise Plan Features (100,000+ subscribers)

  • Visual automation builder
  • Transactional email API
  • Reply tracking & team inbox
  • Goal tracking & revenue attribution
  • Dynamic segments
  • Payment integrations
  • Full REST API access
  • Custom sending domain

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