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Email Marketing & Lead Capture Transactional Email

Mailjet alternatives

Ranked by how many scanned sites use each. Once we see sites drop Mailjet, where they go next ranks first.

Mailjet619 sites, 0 in the last 90 days, freemium

Campaign and transactional email on one platform, owned by Sinch.

20 alternatives to Mailjet

Growth is sites that added it minus confirmed removals in the last 90 days.

1

Amazon SES3,650 sites, +2 in 90 days, paid

Amazon's cloud email service for sending and receiving mail, billed pay-as-you-go with no contract or upfront commitment.

2

Resend2,378 sites, +1 in 90 days, freemium

Sending API built for developers, covering transactional and marketing mail.

3

Twilio SendGrid2,076 sites, 0 in 90 days, freemium

Twilio-owned email API and marketing platform, sold separately from the Twilio Email product in Twilio's Console.

4

Brevo (Sendinblue)1,019 sites, 0 in 90 days, freemium

Formerly Sendinblue, an email marketing platform whose plans also cover transactional sending.

5

Mailgun973 sites, 0 in 90 days, freemium

Developer email API that places each sending domain in a US or an EU region, chosen when the domain is added.

6

Mailchimp Transactional (Mandrill)943 sites, 0 in 90 days, paid

Formerly Mandrill, the transactional email add-on that Mailchimp renamed in fall 2025.

7

MailerSend651 sites, +1 in 90 days, freemium

Built by the MailerLite team, a transactional email service with a plan for agencies and SMS in the US and Canada.

8

HubSpot (Marketing Hub tracking & forms)587 sites, +3 in 90 days, freemium

CRM-based marketing automation, sold as one hub of a suite with sales and customer service software.

9

Klaviyo521 sites, 0 in 90 days, freemium

SMS and email marketing platform sold as a B2C CRM, with AI agents that build flows from a prompt.

10

Mailtrap Email Sending450 sites, 0 in 90 days, freemium

Transactional email API and SMTP service, sold beside a sandbox for catching test mail.

11

SparkPost (Bird)444 sites, 0 in 90 days, paid

Bird's email API for transactional and marketing mail, which SparkPost has become.

12

MailPace420 sites, 0 in 90 days, paid

EU-hosted transactional email API aimed at password resets and one-time codes.

13

Postal419 sites, 0 in 90 days, open-source

Self-hosted mail server for application email, released under the MIT licence.

14

Mailchimp194 sites, 0 in 90 days, freemium

Atlanta-founded email marketing platform, part of Intuit since 2021.

15A

Adobe Marketo Engage122 sites, 0 in 90 days, paid

Adobe's B2B marketing automation platform, part of Experience Cloud.

16

Postmark80 sites, 0 in 90 days, paid

Service for transactional email that says it has been delivering mail since 2010.

17

Omnisend54 sites, 0 in 90 days, freemium

Store-focused email and SMS marketing for Shopify, WooCommerce and other ecommerce platforms.

18

Elastic Email40 sites, 0 in 90 days, freemium

Email API and SMTP relay for developers, from a company that traces its start to 2010.

19

MailChannels40 sites, 0 in 90 days, paid

Outbound SMTP relay that web hosts put behind their customers' mail.

20

Salesforce Marketing Cloud Account Engagement (Pardot)40 sites, 0 in 90 days, paid

Lead generation and nurturing platform for B2B marketing teams, from Salesforce.