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Ranked on the record · 41 apps

Best Transactional Email Services 2026

Every product here is ranked by Samsung Mobile US Press's record score: what its maker publishes about it, where it runs (Android first), whether it is free to try, and how recently the facts were read.

01

Postmark

by Postmark

Postmark suits developers and teams that need to send and track transactional or broadcast application email.

Free plan Free trial WebAPI
Record8.1 Visit site The record
02

Twilio SendGrid

SendGrid suits developers and organizations sending transactional or marketing email through APIs or SMTP.

API
Record8.0 Visit
04

Plunk

Plunk suits developers, marketers, and teams sharing email templates.

WebAPISelf-hosted
Record7.4 Visit
05

turboSMTP

It may suit website and app operators who need transactional email, as well as teams sending newsletters or marketing campaigns.

AndroidiPhone & iPadWeb+4
Record7.4 Visit
6
Maileroo

Maileroo is aimed at developers and scaling businesses, including startups, agencies, and enterprises.

WebAPI $10 a month Record7.2 Visit
7
Twilio Email API
WebAPI $19.95 a month Record6.7 Visit
8
SocketLabs
WebAPISelf-hosted $39.95 a month Record6.5 Visit
9
Hyvor Relay
WebAPISelf-hosted €30 a month Record6.5 Visit
10
Infobip Email API
WebAPI — Record6.4 Visit
11
Retarus Transactional Email

It suits software vendors, platform businesses, large enterprises, and regulated industries sending application-generated email.

WebAPI — Record6.4 Visit
12
Nuntly

Nuntly suits developers building transactional email into applications that need both outbound sending and inbound message handling.

WebAPI €10 a month Record6.4 Visit
13
Aritic Mail
WebAPI $9 one-time Record6.3 Visit
14
EmailSuccess

EmailSuccess suits organizations operating enterprise email gateways or high-volume SMTP servers.

WebWindowsMac+2 Free plan Record6.3 Visit
15
Netcore Email API

It suits mid-market and enterprise B2C brands in ecommerce, retail, BFSI, media, travel, edtech, and D2C.

WebAPI Free plan Record6.1 Visit
16
ReachMail

It suits small businesses, nonprofits, community organizations, and larger companies needing campaign or transactional email tools.

AndroidiPhone & iPadWeb+1 $8 a month Record6.1 Visit
17
Reloop

Reloop suits developers and teams building transactional or programmatic email workflows who want API, SMTP, or inbound webhook options.

Self-hosted $10 a month Record6.0 Visit
18
Mailchimp
AndroidiPhone & iPadWeb+1 $13 a month Record6.0 Visit
19
Twilio Segment
AndroidiPhone & iPadWeb+1 $120 a month Record6.0 Visit
20
Sendwithus
WebAPI $149 a month Record5.9 Visit
21
Posta

Posta suits teams wanting self-hosted email delivery, inbound mail, templates, and webhooks.

WebAPISelf-hosted Free plan Record5.9 Visit
22
QQueue
WebAPISelf-hosted Free plan Record5.8 Visit
23
Posthawk

Posthawk suits developers and teams that need to send several types of email through a range of languages, protocols, or frameworks.

Self-hosted $20 a month Record5.8 Visit
24
SendLayer
Web $5 a month, billed yearly Record5.7 Visit
25
MailerSend

MailerSend suits teams that need transactional email tools and integrations with listed services.

iPhone & iPadWebAPI $7 a month, billed yearly Record5.7 Visit

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