Sorted by starting price
10 Cheapest Transactional Email Services of 2026
By the Rankozo research desk · Updated November 10, 2026
Among the 10 tools in our best transactional email services ranking, Amazon SES has the lowest verified paid starting price at $0.10 per 1,000 emails, no monthly minimum. Prices below are quoted from each vendor's US pricing page.
- 01
Amazon SESTeams already on AWS that send high volumes and want the lowest price per 1,000 emails.
Pay as you go: $0.10 per 1,000 emails on a la carte pricing, or $0.16 per 1,000 on the Essentials plan; no monthly minimum
Full entry, No. 3 overallStarts at
$0.10
Score 8.4
- 02
MailerSendTeams that want transactional email and SMS in one service with a cheap entry plan.
Free plan with 500 emails a month; Hobby $6.30 per month billed yearly with 5,000 emails; Starter $31.50 per month billed yearly with 50,000 emails
Full entry, No. 8 overallStarts at
$6.30
Score 8.1
- 03
BrevoSmall teams that want a daily free sending allowance and one account for transactional and marketing email.
Free plan with up to 300 emails a day; Starter $9 per month from 5,000 emails; Standard $18 per month
Full entry, No. 5 overallStarts at
$9
Score 8.2
- 04
MailjetDevelopers and small teams who want the largest monthly free allowance and a template language.
Free plan with 6,000 emails a month (200 a day); Starter $9 per month with 8,000 emails; Essential $19 and Premium $29 per month with 15,000 emails
Full entry, No. 9 overallStarts at
$9
Score 8.1
- 05
SMTP2GOTeams that want a plain SMTP relay with human support and simple USD billing.
Free plan for up to 1,000 emails a month; Starter $10 per month with 10,000 emails; Professional $75 per month with 100,000 emails
Full entry, No. 10 overallStarts at
$10
Score 7.9
- 06
PostmarkProduct teams that want fast, well-documented transactional delivery and clear overage rates.
Free developer plan with 100 emails a month; Basic $15 per month with 10,000 emails; Pro $16.50 and Platform $18 per month; extra emails from $1.20 per 1,000
Full entry, No. 2 overallStarts at
$15
Score 8.5
- 07
MailgunTeams that expect to grow into hundreds of thousands of emails and want falling per-1,000 rates.
Free plan with 100 emails a day; Basic from $15 per month with 10,000 emails; Foundation $35 with 50,000; Scale $90 with 100,000
Full entry, No. 4 overallStarts at
$15
Score 8.3
- 08
Elastic EmailBudget-minded developers who need 50,000 emails a month for under $20.
Free plan with 3,000 emails a month (100 a day); Email API Starter $19 per month for up to 50,000 emails; Pro $49 per month
Full entry, No. 7 overallStarts at
$19
Score 8.1
- 09
Twilio SendGridLarger teams that want a long-established sender with dedicated IPs, SSO and subuser management.
60-day free trial with 100 emails a day; Essentials from $19.95 per month for 50,000 to 100,000 emails; Pro from $89.95 per month
Full entry, No. 6 overallStarts at
$19.95
Score 8.2
- 10
ResendDevelopers who want a modern API, a usable free tier and the lowest paid price per 1,000 emails among the subscription plans here.
Free plan with 3,000 emails a month (100 a day); Pro $20 per month with 50,000 emails; Scale $90 per month with 100,000 emails; extra emails $0.90 per 1,000
Full entry, No. 1 overallStarts at
$20
Score 8.9
Scores and prices come from our Best Transactional Email Services ranking, which uses one method for every tool. Questions or corrections: editorial@rankozo.com