Alternatives

Best SMTP.com alternatives in 2026

Data compiled by Toolradar Updated November 2, 2026 How we rate

Cite this list: Toolradar, best SMTP.com alternatives 2026, toolradar.com/alternatives/smtp-com

8 direct alternatives to SMTP.com, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.

Quick answer

Brevo is the top alternative to SMTP.com on our list, followed by Mailgun and SendGrid.
6 of the 8 alternatives have a free plan, starting with Brevo.
Highest rated: Postmark, 4.7 out of 5 from 67 ratings, Sep 2026.

Publications that cover the tools tracked here

8 alternatives
6 with a free plan

Brevo
#1 Top pick
All-in-one marketing platform for email, SMS, and customer engagement
Starting price
From $9 /mo
Cheapest paid plan, monthly, as of November 2026
4.6 /5 across G2 and Capterra · 6,219 ratings, Sep 2026
Our take
Best overall
Read the review
Mailgun
#2
Send, parse, and validate emails with a reliable developer API
Starting price
From $35 /mo
Cheapest paid plan, monthly, as of November 2026
4.1 /5 across G2 and Trustpilot · 1,850 ratings, Sep 2026
Read the review
SendGrid
#3
Deliver transactional and marketing emails with powerful APIs
Starting price
From $19.95 /mo
Cheapest paid plan, monthly, as of November 2026
4.1 /5 across G2 and Capterra · 1,121 ratings, Sep 2026
Read the review

SMTP.com vs 8 alternatives

SMTP.com and its alternatives compared on starting price (cheapest paid plan, monthly, as of November 2026), free plan and average user rating.
Tool	Starting price (Nov 2026)	Free plan	Rating
SMTP.com Compared tool	Price: $25/mo	Free plan: No	2.9 out of 5, from 52 ratings across G2, Capterra and SourceForge (52)
Brevo	Price: $9/mo	Free plan: Yes	4.6 out of 5, from 6,219 ratings across G2 and Capterra (6,219)
Mailgun	Price: $35/mo	Free plan: Yes	4.1 out of 5, from 1,850 ratings across G2 and Trustpilot (1,850)
SendGrid	Price: $19.95/mo	Free plan: Yes	4.1 out of 5, from 1,121 ratings across G2 and Capterra (1,121)
Amazon SES	Price: $15/mo	Free plan: No	4.5 out of 5, from 326 ratings across G2 and Capterra (326)
Mailjet	Price: $9/mo	Free plan: No	4.1 out of 5, from 630 ratings across G2 and Capterra (630)
Postmark	Price: $15/mo	Free plan: Yes	4.7 out of 5, from 67 ratings across G2 and Capterra (67)
Sparkpost	Price: $15/mo	Free plan: Yes	3.9 out of 5, from 108 ratings across G2 and Capterra (108)
SMTP2GO	Price: $10/mo	Free plan: Yes	n/a

Why people consider alternatives to SMTP.com

SMTP.com is a comprehensive email delivery platform trusted by businesses for its extensive expertise. It provides a robust email relay API and transactional email service designed to ensure high inbox placement rates.

Teams most often switch away when one of these starts to bite:

Pricing at scale as usage or premium tiers add up.
Missing integrations with the rest of your stack.
Performance or scale limits as your needs grow.
A specific feature gap you have hit in transactional email.

The 8 alternatives below cover the same core job (transactional email) with different trade-offs.

See full SMTP.com review Best transactional email tools How we rank

SMTP.com by the numbers

Toolradar data: SMTP.com's entry paid plan ($25/mo, billed monthly) ranks #8 of 12 for price among the Email Deliverability tools with a verified entry price and no stated unit, where the median is $20/mo. As of Nov 2026.

SMTP.com compared with 27 Email Deliverability tools on Toolradar, as of Nov 2026
Metric	SMTP.com	Peer median	Position (1 is best)
Entry paid plan	$25/mo, billed monthly	$20/mo	#8 of 12 tools with no stated price unit, verified price
Free plan	No	15 of 27 have one	n/a
User rating	2.9/5 (across the web, 52 ratings)	4.5/5	#12 of 13 tools with 20+ reviews

Each position is counted among the tools that have data for that row, as noted under it. A lower entry price ranks higher; prices are read on vendor pages and compared only with tools priced on the same basis. All Email Deliverability data · How we compute this. Advertising and placement fees are not inputs to any position.

Cite this: Toolradar, “SMTP.com by the numbers”, Nov 2026.

8 alternatives to SMTP.com

Ranked by G2 and Capterra ratings, media mentions, and editor review, plus how directly they replace SMTP.com.

Frequently asked questions

What is the best alternative to SMTP.com?

Based on real-signal scoring (G2 and Capterra ratings, media mentions, and editorial review), the top alternatives to SMTP.com are Brevo, Mailgun, SendGrid. Each solves the same core job with different trade-offs on pricing, features, and integrations.

Is there a free alternative to SMTP.com?

There is no fully free alternative in this list. Brevo is freemium: a permanent free tier plus paid plans (All-in-one marketing platform for email, SMS, and customer engagement).

Why do people look for SMTP.com alternatives?

Common reasons teams switch away from SMTP.com: pricing that scales aggressively, missing integrations with the rest of their stack, performance or scale limits, or a specific feature gap in transactional email. The alternatives on this page solve the same core problem with different trade-offs.

Side-by-side comparisons

In-depth comparison pages for SMTP.com versus each alternative.

SMTP.com vs Brevo SMTP.com vs Mailgun SMTP.com vs SendGrid SMTP.com vs Amazon SES SMTP.com vs Mailjet SMTP.com vs Postmark SMTP.com vs Sparkpost SMTP.com vs SMTP2GO

Improve Your Thinking Patterns Using ChatGPT cover

$99 Free with your review

Review SMTP.com, get a free AI guide

Share your experience and we will send you Improve Your Thinking Patterns Using ChatGPT, free.

Write a review

Still considering SMTP.com?

See the full review, pricing breakdown, and community feedback before you decide.

Full SMTP.com review Visit SMTP.com

Top 3 alternatives to SMTP.com

Brevo

Mailgun

SendGrid