18.6
turboSMTP is a cloud SMTP service for sending email messages and newsletters, with statistical analysis for individual and aggregate messages.
Free planAndroidiOSWeb
Alternatives to Retarus Transactional Email
28.6
Mailchimp is an email marketing service with web, iOS, and Android access.
Free planAndroidiOSWeb
38.4
Postmark delivers and tracks application email as an alternative to SMTP or Sendmail.
Free planWebAPI
- 4
ReachMail
ReachMail provides email marketing and transactional email delivery through web and API access.
Free planAndroidiOSWebAPI8.4From $8 a month - 5
Twilio Segment
Twilio Segment is a customer data platform for collecting data from web and mobile sources, building customer profiles and putting audiences to use across channels.
Free planAndroidiOSWebAPI8.2From $120 a month - 6
EmailSuccess
Free planWebAPImacOSSelf-hosted8.1From €4,000 a year - 7
Twilio SendGrid
Twilio SendGrid Email API is a cloud-based email delivery service for sending messages without maintaining customer-owned email servers.
Free planAPI8.0From $19.95 a month - 8
Nuntly
Nuntly is a developer-focused email platform for sending and receiving transactional email, replying to messages, and tracking delivery through one REST API.
Free planWebAPI7.9From €10 a month - 9
MailerSend
MailerSend delivers transactional email through an email API and SMTP relay.
Free planiOSWebAPI7.8From $7 a month - 10
Maileroo
Maileroo provides SMTP relay and Email API services for transactional and marketing email, with inbound routing and email testing tools.
Free planWebAPI7.6From $10 a month - 11
7.5From $10 a month - 12
Twilio Email API
Free planWebAPI7.5From $19.95 a month - 13
Hyvor Relay
Hyvor Relay is an email API for developers that can be used through its hosted service or self-hosted.
Free planWebAPISelf-hosted7.5From €30 a month - 14
Sendwithus
Sendwithus helps teams create, personalize, test, and manage transactional email without deploying code.
WebAPI7.4From $149 a month - 15
Posthawk
Posthawk is an email delivery service for transactional, marketing, inbound, scheduled, newsletter, and broadcast messages.
Free planSelf-hosted7.4From $20 a month - 16
Reloop
Reloop is an email delivery platform for transactional and programmatic workflows, available as hosted plans or for self-hosting.
Free planSelf-hosted7.4From $10 a month - 17
Resend Broadcasts
Resend Broadcasts lets users send email campaigns to existing contacts through a visual editor or API.
Free planWebAPI7.4From $20 a month - 18
SocketLabs
WebAPISelf-hosted7.3From $39.95 a month - 19
Infobip Email API
WebAPI7.1 - 20
Plunk
Free planWebAPISelf-hosted7.1Free plan - 21
Pombo
Pombo is an email platform for marketing, lifecycle, and transactional email that teams can operate with AI agents.
Free planWebAPI7.1From $29 a month - 22
Netcore Email API
Netcore Email API sends and tracks transactional and triggered messages, including password resets, order confirmations, notifications, and campaign sends.
Free planWebAPI6.9Free plan - 23
Aritic Mail
WebAPI6.9$9 one-time - 24
SMTP2GO
SMTP2GO provides SMTP and API email delivery for businesses and individual senders, with real-time reporting on deliveries, bounces, opens, clicks,…
Free planWebAPI6.9From $100 a year - 25
Waypoint
Waypoint is an email API for engineers paired with a visual template builder for product teams.
Free planWebAPI6.9From $20 a month - 26
Mailmark
WebAPISelf-hosted6.8From $10 a month - 27
MailsSetu
MailsSetu is a developer-first transactional email API and SMTP platform for production messaging.
Free planWebAPI6.8From ₹399 a month - 28
Posta
Posta is a self-hosted email delivery platform for sending and receiving email through an HTTP API.
Free planWebAPISelf-hosted6.7Free plan - 29
QQueue
QQueue is a self-hosted email system that sends campaign, transactional, and manual messages through one SMTP-based pipeline.
Free planWebAPISelf-hosted6.7Free plan - 30
SendLayer
Web6.5From $5 a month